./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:21:23,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:21:23,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:21:23,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:21:23,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:21:23,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:21:23,223 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:21:23,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:21:23,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:21:23,225 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:21:23,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:21:23,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:21:23,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:21:23,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:21:23,228 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:21:23,229 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:21:23,229 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:21:23,230 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:21:23,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:21:23,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:21:23,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:21:23,234 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:21:23,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:21:23,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:21:23,236 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:21:23,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:21:23,237 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:21:23,237 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:21:23,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:21:23,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:21:23,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:21:23,243 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:21:23,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:21:23,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:21:23,244 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:21:23,244 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:21:23,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:21:23,250 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:21:23,250 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:21:23,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:21:23,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:21:23,253 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:21:23,254 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 [2024-11-08 16:21:23,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:21:23,669 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:21:23,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:21:23,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:21:23,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:21:23,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i Unable to find full path for "g++" [2024-11-08 16:21:26,480 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:21:26,726 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:21:26,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-08 16:21:26,740 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/7af3163cc/ecef7847e42548a9aa3141a5f4709430/FLAGdea5d7e7f [2024-11-08 16:21:27,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/7af3163cc/ecef7847e42548a9aa3141a5f4709430 [2024-11-08 16:21:27,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:21:27,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:21:27,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:21:27,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:21:27,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:21:27,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,078 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bde037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27, skipping insertion in model container [2024-11-08 16:21:27,079 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:21:27,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-08 16:21:27,431 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:21:27,448 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:21:27,463 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-08 16:21:27,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:21:27,551 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:21:27,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27 WrapperNode [2024-11-08 16:21:27,552 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:21:27,556 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:21:27,557 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:21:27,557 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:21:27,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,604 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,691 INFO L138 Inliner]: procedures = 29, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 615 [2024-11-08 16:21:27,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:21:27,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:21:27,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:21:27,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:21:27,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,736 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,775 INFO L175 MemorySlicer]: Split 152 memory accesses to 16 slices as follows [2, 5, 8, 8, 22, 20, 12, 5, 14, 14, 3, 5, 8, 6, 3, 17]. 14 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1]. [2024-11-08 16:21:27,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,776 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,810 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,817 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:21:27,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:21:27,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:21:27,834 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:21:27,835 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (1/1) ... [2024-11-08 16:21:27,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:21:27,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:21:27,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:21:27,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:21:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:21:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 16:21:27,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 16:21:27,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 16:21:27,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 16:21:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 16:21:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 16:21:27,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 16:21:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 16:21:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 16:21:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 16:21:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 16:21:27,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 16:21:27,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 16:21:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 16:21:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 16:21:27,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 16:21:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 16:21:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 16:21:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 16:21:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 16:21:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 16:21:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 16:21:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 16:21:27,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 16:21:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-08 16:21:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-08 16:21:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-08 16:21:27,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 16:21:27,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 16:21:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 16:21:27,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 16:21:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 16:21:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 16:21:27,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 16:21:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 16:21:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 16:21:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 16:21:27,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 16:21:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 16:21:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 16:21:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-08 16:21:27,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-08 16:21:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-08 16:21:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 16:21:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 16:21:27,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 16:21:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 16:21:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 16:21:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 16:21:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 16:21:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 16:21:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 16:21:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 16:21:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 16:21:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 16:21:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 16:21:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 16:21:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 16:21:27,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 16:21:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 16:21:27,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 16:21:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 16:21:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 16:21:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 16:21:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 16:21:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 16:21:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 16:21:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-08 16:21:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-08 16:21:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-08 16:21:27,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:21:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:21:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:21:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 16:21:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 16:21:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 16:21:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 16:21:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 16:21:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 16:21:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 16:21:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 16:21:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 16:21:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 16:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 16:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 16:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 16:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 16:21:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 16:21:27,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:21:27,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:21:28,441 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:21:28,444 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:21:29,371 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-08 16:21:29,371 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:21:29,397 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:21:29,397 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:21:29,398 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:29 BoogieIcfgContainer [2024-11-08 16:21:29,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:21:29,405 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:21:29,406 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:21:29,411 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:21:29,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:21:27" (1/3) ... [2024-11-08 16:21:29,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637cbfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:21:29, skipping insertion in model container [2024-11-08 16:21:29,413 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:21:27" (2/3) ... [2024-11-08 16:21:29,415 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@637cbfb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:21:29, skipping insertion in model container [2024-11-08 16:21:29,416 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:29" (3/3) ... [2024-11-08 16:21:29,418 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-28.i [2024-11-08 16:21:29,443 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:21:29,443 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:21:29,550 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:21:29,557 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@fc1488a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:21:29,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:21:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:21:29,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:21:29,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:29,584 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:29,585 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:29,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:29,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1631731152, now seen corresponding path program 1 times [2024-11-08 16:21:29,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:29,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232652676] [2024-11-08 16:21:29,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:29,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:29,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:30,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:30,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:30,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:30,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:30,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:30,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:30,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:30,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232652676] [2024-11-08 16:21:30,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232652676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:30,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:30,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:21:30,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469801165] [2024-11-08 16:21:30,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:30,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:21:30,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:30,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:21:30,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:21:30,326 INFO L87 Difference]: Start difference. First operand has 123 states, 106 states have (on average 1.4339622641509433) internal successors, (152), 107 states have internal predecessors, (152), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:30,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:30,384 INFO L93 Difference]: Finished difference Result 239 states and 368 transitions. [2024-11-08 16:21:30,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:21:30,387 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-08 16:21:30,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:30,398 INFO L225 Difference]: With dead ends: 239 [2024-11-08 16:21:30,398 INFO L226 Difference]: Without dead ends: 119 [2024-11-08 16:21:30,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:21:30,408 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:30,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:21:30,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-08 16:21:30,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-08 16:21:30,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 103 states have (on average 1.3883495145631068) internal successors, (143), 103 states have internal predecessors, (143), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:21:30,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 171 transitions. [2024-11-08 16:21:30,475 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 171 transitions. Word has length 130 [2024-11-08 16:21:30,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:30,476 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 171 transitions. [2024-11-08 16:21:30,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:30,477 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-11-08 16:21:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:21:30,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:30,482 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:30,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:21:30,483 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:30,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2050265156, now seen corresponding path program 1 times [2024-11-08 16:21:30,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:30,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996124169] [2024-11-08 16:21:30,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:30,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:30,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:30,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:30,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:30,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:30,957 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:30,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:30,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996124169] [2024-11-08 16:21:30,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996124169] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:30,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:30,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:21:30,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950844556] [2024-11-08 16:21:30,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:30,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:21:30,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:30,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:21:30,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:30,963 INFO L87 Difference]: Start difference. First operand 119 states and 171 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:31,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:31,055 INFO L93 Difference]: Finished difference Result 237 states and 342 transitions. [2024-11-08 16:21:31,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:21:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 130 [2024-11-08 16:21:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:31,058 INFO L225 Difference]: With dead ends: 237 [2024-11-08 16:21:31,058 INFO L226 Difference]: Without dead ends: 121 [2024-11-08 16:21:31,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:31,061 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 327 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:31,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:21:31,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-08 16:21:31,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-08 16:21:31,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 105 states have (on average 1.380952380952381) internal successors, (145), 105 states have internal predecessors, (145), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:21:31,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 173 transitions. [2024-11-08 16:21:31,079 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 173 transitions. Word has length 130 [2024-11-08 16:21:31,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:31,081 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 173 transitions. [2024-11-08 16:21:31,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:31,082 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 173 transitions. [2024-11-08 16:21:31,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:21:31,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:31,085 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:31,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:21:31,086 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:31,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:31,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1912059002, now seen corresponding path program 1 times [2024-11-08 16:21:31,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:31,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449066633] [2024-11-08 16:21:31,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:31,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:31,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:31,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:31,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:31,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:31,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:31,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449066633] [2024-11-08 16:21:31,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449066633] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:31,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:31,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:21:31,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724460407] [2024-11-08 16:21:31,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:31,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:21:31,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:31,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:21:31,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:31,531 INFO L87 Difference]: Start difference. First operand 121 states and 173 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:31,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:31,609 INFO L93 Difference]: Finished difference Result 242 states and 347 transitions. [2024-11-08 16:21:31,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:21:31,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:21:31,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:31,613 INFO L225 Difference]: With dead ends: 242 [2024-11-08 16:21:31,613 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 16:21:31,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:31,616 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:31,617 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 493 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:21:31,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 16:21:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-11-08 16:21:31,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 107 states have internal predecessors, (147), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:21:31,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 175 transitions. [2024-11-08 16:21:31,632 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 175 transitions. Word has length 130 [2024-11-08 16:21:31,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:31,633 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 175 transitions. [2024-11-08 16:21:31,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 175 transitions. [2024-11-08 16:21:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:21:31,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:31,637 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:31,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:21:31,638 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:31,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:31,639 INFO L85 PathProgramCache]: Analyzing trace with hash -137051640, now seen corresponding path program 1 times [2024-11-08 16:21:31,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:31,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360320643] [2024-11-08 16:21:31,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:32,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:32,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:32,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:32,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:32,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360320643] [2024-11-08 16:21:32,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360320643] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:32,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:32,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:21:32,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128398119] [2024-11-08 16:21:32,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:32,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:21:32,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:32,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:21:32,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:32,104 INFO L87 Difference]: Start difference. First operand 123 states and 175 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:32,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:32,160 INFO L93 Difference]: Finished difference Result 246 states and 351 transitions. [2024-11-08 16:21:32,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:21:32,161 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:21:32,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:32,165 INFO L225 Difference]: With dead ends: 246 [2024-11-08 16:21:32,169 INFO L226 Difference]: Without dead ends: 126 [2024-11-08 16:21:32,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:21:32,171 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 1 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:32,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 496 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:21:32,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-08 16:21:32,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2024-11-08 16:21:32,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.3669724770642202) internal successors, (149), 109 states have internal predecessors, (149), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:21:32,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 177 transitions. [2024-11-08 16:21:32,198 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 177 transitions. Word has length 130 [2024-11-08 16:21:32,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:32,199 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 177 transitions. [2024-11-08 16:21:32,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 177 transitions. [2024-11-08 16:21:32,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:21:32,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:32,206 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:32,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:21:32,206 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:32,211 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:32,211 INFO L85 PathProgramCache]: Analyzing trace with hash -135204598, now seen corresponding path program 1 times [2024-11-08 16:21:32,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:32,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889502958] [2024-11-08 16:21:32,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:32,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:32,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:32,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:32,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:32,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:32,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889502958] [2024-11-08 16:21:32,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889502958] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:32,963 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:21:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706820550] [2024-11-08 16:21:32,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:32,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:21:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:32,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:21:32,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:21:32,967 INFO L87 Difference]: Start difference. First operand 125 states and 177 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:33,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:33,182 INFO L93 Difference]: Finished difference Result 327 states and 461 transitions. [2024-11-08 16:21:33,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:21:33,183 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:21:33,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:33,185 INFO L225 Difference]: With dead ends: 327 [2024-11-08 16:21:33,185 INFO L226 Difference]: Without dead ends: 205 [2024-11-08 16:21:33,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:33,188 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 94 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 682 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:33,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 682 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:21:33,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-08 16:21:33,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 202. [2024-11-08 16:21:33,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 183 states have (on average 1.3770491803278688) internal successors, (252), 184 states have internal predecessors, (252), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:21:33,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 284 transitions. [2024-11-08 16:21:33,205 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 284 transitions. Word has length 130 [2024-11-08 16:21:33,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:33,206 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 284 transitions. [2024-11-08 16:21:33,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:33,207 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 284 transitions. [2024-11-08 16:21:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:21:33,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:33,210 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:33,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 16:21:33,210 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:33,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:33,211 INFO L85 PathProgramCache]: Analyzing trace with hash 795679068, now seen corresponding path program 1 times [2024-11-08 16:21:33,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:33,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651057145] [2024-11-08 16:21:33,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:33,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:33,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:33,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,640 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:33,670 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:33,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:33,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651057145] [2024-11-08 16:21:33,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651057145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:33,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:33,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:21:33,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393180690] [2024-11-08 16:21:33,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:33,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:21:33,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:33,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:21:33,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:21:33,680 INFO L87 Difference]: Start difference. First operand 202 states and 284 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:33,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:33,738 INFO L93 Difference]: Finished difference Result 407 states and 573 transitions. [2024-11-08 16:21:33,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:21:33,739 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-08 16:21:33,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:33,749 INFO L225 Difference]: With dead ends: 407 [2024-11-08 16:21:33,750 INFO L226 Difference]: Without dead ends: 208 [2024-11-08 16:21:33,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:21:33,752 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:33,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 655 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:21:33,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-08 16:21:33,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2024-11-08 16:21:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 189 states have (on average 1.3650793650793651) internal successors, (258), 190 states have internal predecessors, (258), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:21:33,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 290 transitions. [2024-11-08 16:21:33,787 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 290 transitions. Word has length 132 [2024-11-08 16:21:33,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:33,790 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 290 transitions. [2024-11-08 16:21:33,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:33,790 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 290 transitions. [2024-11-08 16:21:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:21:33,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:33,797 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:33,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 16:21:33,797 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:33,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:33,798 INFO L85 PathProgramCache]: Analyzing trace with hash 2028777797, now seen corresponding path program 1 times [2024-11-08 16:21:33,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:33,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442509337] [2024-11-08 16:21:33,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:33,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:34,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:34,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:34,591 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:34,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:34,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442509337] [2024-11-08 16:21:34,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442509337] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:34,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:34,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:21:34,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611983990] [2024-11-08 16:21:34,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:34,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:21:34,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:34,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:21:34,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:21:34,596 INFO L87 Difference]: Start difference. First operand 208 states and 290 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:35,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:35,142 INFO L93 Difference]: Finished difference Result 755 states and 1045 transitions. [2024-11-08 16:21:35,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:21:35,144 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-08 16:21:35,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:35,149 INFO L225 Difference]: With dead ends: 755 [2024-11-08 16:21:35,149 INFO L226 Difference]: Without dead ends: 550 [2024-11-08 16:21:35,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:21:35,151 INFO L432 NwaCegarLoop]: 170 mSDtfsCounter, 285 mSDsluCounter, 737 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 907 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:35,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 907 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:21:35,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-08 16:21:35,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 395. [2024-11-08 16:21:35,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 368 states have (on average 1.3804347826086956) internal successors, (508), 371 states have internal predecessors, (508), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 19 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 16:21:35,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 552 transitions. [2024-11-08 16:21:35,199 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 552 transitions. Word has length 132 [2024-11-08 16:21:35,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:35,200 INFO L471 AbstractCegarLoop]: Abstraction has 395 states and 552 transitions. [2024-11-08 16:21:35,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 552 transitions. [2024-11-08 16:21:35,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:21:35,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:35,205 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:35,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 16:21:35,206 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:35,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:35,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1007709443, now seen corresponding path program 1 times [2024-11-08 16:21:35,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:35,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82793187] [2024-11-08 16:21:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:35,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:35,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:35,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:35,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:35,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:35,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:35,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82793187] [2024-11-08 16:21:35,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82793187] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:35,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:35,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:21:35,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726948738] [2024-11-08 16:21:35,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:35,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:21:35,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:35,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:21:35,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:21:35,802 INFO L87 Difference]: Start difference. First operand 395 states and 552 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:36,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:36,023 INFO L93 Difference]: Finished difference Result 819 states and 1140 transitions. [2024-11-08 16:21:36,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:21:36,024 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-08 16:21:36,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:36,027 INFO L225 Difference]: With dead ends: 819 [2024-11-08 16:21:36,027 INFO L226 Difference]: Without dead ends: 427 [2024-11-08 16:21:36,029 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:21:36,030 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 115 mSDsluCounter, 432 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:36,030 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 583 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:21:36,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-08 16:21:36,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 424. [2024-11-08 16:21:36,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 391 states have (on average 1.3682864450127876) internal successors, (535), 395 states have internal predecessors, (535), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 22 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:21:36,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 587 transitions. [2024-11-08 16:21:36,060 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 587 transitions. Word has length 132 [2024-11-08 16:21:36,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:36,061 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 587 transitions. [2024-11-08 16:21:36,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:36,062 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 587 transitions. [2024-11-08 16:21:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:36,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:36,064 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:36,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 16:21:36,065 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:36,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:36,066 INFO L85 PathProgramCache]: Analyzing trace with hash -773154752, now seen corresponding path program 1 times [2024-11-08 16:21:36,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:36,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460917657] [2024-11-08 16:21:36,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:36,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:36,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:37,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:37,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:37,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460917657] [2024-11-08 16:21:37,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460917657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:37,349 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:37,349 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 16:21:37,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608419339] [2024-11-08 16:21:37,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:37,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:21:37,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:37,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:21:37,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-08 16:21:37,352 INFO L87 Difference]: Start difference. First operand 424 states and 587 transitions. Second operand has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:38,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:38,241 INFO L93 Difference]: Finished difference Result 863 states and 1199 transitions. [2024-11-08 16:21:38,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:21:38,243 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 134 [2024-11-08 16:21:38,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:38,246 INFO L225 Difference]: With dead ends: 863 [2024-11-08 16:21:38,247 INFO L226 Difference]: Without dead ends: 471 [2024-11-08 16:21:38,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:21:38,249 INFO L432 NwaCegarLoop]: 227 mSDtfsCounter, 651 mSDsluCounter, 692 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 919 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:38,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 919 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:21:38,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 471 states. [2024-11-08 16:21:38,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 471 to 458. [2024-11-08 16:21:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 414 states have (on average 1.3526570048309179) internal successors, (560), 418 states have internal predecessors, (560), 36 states have call successors, (36), 7 states have call predecessors, (36), 7 states have return successors, (36), 32 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:21:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 632 transitions. [2024-11-08 16:21:38,317 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 632 transitions. Word has length 134 [2024-11-08 16:21:38,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:38,317 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 632 transitions. [2024-11-08 16:21:38,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:21:38,318 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 632 transitions. [2024-11-08 16:21:38,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:38,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:38,321 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:38,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 16:21:38,321 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:38,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:38,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1590803202, now seen corresponding path program 1 times [2024-11-08 16:21:38,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:38,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024671375] [2024-11-08 16:21:38,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:38,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:39,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:39,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:39,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:39,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:39,618 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:39,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:39,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024671375] [2024-11-08 16:21:39,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024671375] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:21:39,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462564289] [2024-11-08 16:21:39,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:39,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:21:39,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:21:39,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:21:39,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:21:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:40,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 16:21:40,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:21:40,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:21:40,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:40,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-08 16:21:41,001 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:21:41,624 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-08 16:21:41,719 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:41,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462564289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:21:41,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:21:41,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-08 16:21:41,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094863002] [2024-11-08 16:21:41,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:21:41,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 16:21:41,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:41,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 16:21:41,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:21:41,723 INFO L87 Difference]: Start difference. First operand 458 states and 632 transitions. Second operand has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-08 16:21:43,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:43,497 INFO L93 Difference]: Finished difference Result 898 states and 1233 transitions. [2024-11-08 16:21:43,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:21:43,498 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) Word has length 134 [2024-11-08 16:21:43,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:43,501 INFO L225 Difference]: With dead ends: 898 [2024-11-08 16:21:43,501 INFO L226 Difference]: Without dead ends: 472 [2024-11-08 16:21:43,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 305 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=282, Invalid=1358, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 16:21:43,503 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 784 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 1065 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1956 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1065 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:43,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1956 Invalid, 1115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 1065 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:21:43,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-08 16:21:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 407. [2024-11-08 16:21:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 362 states have (on average 1.3370165745856353) internal successors, (484), 365 states have internal predecessors, (484), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:21:43,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 552 transitions. [2024-11-08 16:21:43,542 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 552 transitions. Word has length 134 [2024-11-08 16:21:43,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:43,542 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 552 transitions. [2024-11-08 16:21:43,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-08 16:21:43,543 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 552 transitions. [2024-11-08 16:21:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:43,544 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:43,545 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:43,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:21:43,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-08 16:21:43,745 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:43,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:43,746 INFO L85 PathProgramCache]: Analyzing trace with hash -350880130, now seen corresponding path program 1 times [2024-11-08 16:21:43,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:43,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875763111] [2024-11-08 16:21:43,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:43,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:45,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,256 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:45,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:45,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875763111] [2024-11-08 16:21:45,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875763111] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:21:45,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [382040936] [2024-11-08 16:21:45,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:45,259 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:21:45,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:21:45,261 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:21:45,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 16:21:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:45,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 635 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:21:45,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:21:45,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:21:46,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:46,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:46,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:46,835 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-08 16:21:46,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:21:47,022 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2024-11-08 16:21:47,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-08 16:21:47,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-08 16:21:47,872 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:47,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [382040936] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:21:47,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:21:47,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 36 [2024-11-08 16:21:47,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747214134] [2024-11-08 16:21:47,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:21:47,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 16:21:47,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:47,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 16:21:47,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=1092, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 16:21:47,876 INFO L87 Difference]: Start difference. First operand 407 states and 552 transitions. Second operand has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) [2024-11-08 16:21:50,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:50,887 INFO L93 Difference]: Finished difference Result 919 states and 1246 transitions. [2024-11-08 16:21:50,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-08 16:21:50,891 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) Word has length 134 [2024-11-08 16:21:50,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:50,897 INFO L225 Difference]: With dead ends: 919 [2024-11-08 16:21:50,897 INFO L226 Difference]: Without dead ends: 548 [2024-11-08 16:21:50,900 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=610, Invalid=3296, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 16:21:50,901 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 1152 mSDsluCounter, 2113 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 2255 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:50,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 2255 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:21:50,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2024-11-08 16:21:50,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 407. [2024-11-08 16:21:50,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 362 states have (on average 1.3370165745856353) internal successors, (484), 365 states have internal predecessors, (484), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:21:50,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 552 transitions. [2024-11-08 16:21:50,946 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 552 transitions. Word has length 134 [2024-11-08 16:21:50,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:50,947 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 552 transitions. [2024-11-08 16:21:50,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 4.090909090909091) internal successors, (135), 36 states have internal predecessors, (135), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 3 states have call predecessors, (40), 6 states have call successors, (40) [2024-11-08 16:21:50,947 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 552 transitions. [2024-11-08 16:21:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:50,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:50,950 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:50,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 16:21:51,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-08 16:21:51,155 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:51,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:51,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1371948484, now seen corresponding path program 1 times [2024-11-08 16:21:51,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:51,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912928494] [2024-11-08 16:21:51,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:51,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:51,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:52,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,263 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:52,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:52,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912928494] [2024-11-08 16:21:52,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912928494] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:21:52,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833572058] [2024-11-08 16:21:52,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:52,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:21:52,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:21:52,268 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:21:52,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 16:21:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:52,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 633 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 16:21:52,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:21:52,901 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:21:53,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:53,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:53,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 16:21:53,359 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-08 16:21:53,360 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:21:53,430 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:21:53,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-08 16:21:54,032 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 33 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:21:54,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833572058] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:21:54,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 16:21:54,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-08 16:21:54,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544753396] [2024-11-08 16:21:54,034 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 16:21:54,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-08 16:21:54,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-08 16:21:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:21:54,037 INFO L87 Difference]: Start difference. First operand 407 states and 552 transitions. Second operand has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-08 16:21:55,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:55,682 INFO L93 Difference]: Finished difference Result 776 states and 1058 transitions. [2024-11-08 16:21:55,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 16:21:55,683 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) Word has length 134 [2024-11-08 16:21:55,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:55,688 INFO L225 Difference]: With dead ends: 776 [2024-11-08 16:21:55,688 INFO L226 Difference]: Without dead ends: 405 [2024-11-08 16:21:55,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 282 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=276, Invalid=1364, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 16:21:55,691 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 483 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 1140 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 483 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 1183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:55,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [483 Valid, 2460 Invalid, 1183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1140 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:21:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-08 16:21:55,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 403. [2024-11-08 16:21:55,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 358 states have (on average 1.335195530726257) internal successors, (478), 361 states have internal predecessors, (478), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:21:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 546 transitions. [2024-11-08 16:21:55,734 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 546 transitions. Word has length 134 [2024-11-08 16:21:55,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:55,737 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 546 transitions. [2024-11-08 16:21:55,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 22 states have (on average 4.5) internal successors, (99), 25 states have internal predecessors, (99), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-08 16:21:55,737 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 546 transitions. [2024-11-08 16:21:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:55,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:55,740 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:55,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-08 16:21:55,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-08 16:21:55,944 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:55,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:55,945 INFO L85 PathProgramCache]: Analyzing trace with hash 830884714, now seen corresponding path program 1 times [2024-11-08 16:21:55,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:55,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606985287] [2024-11-08 16:21:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-08 16:21:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:21:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 16:21:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 16:21:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 16:21:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 16:21:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 16:21:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 16:21:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 16:21:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 16:21:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 16:21:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 16:21:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 16:21:56,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 16:21:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:21:56,392 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:21:56,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:21:56,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606985287] [2024-11-08 16:21:56,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606985287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:21:56,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:21:56,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:21:56,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543973074] [2024-11-08 16:21:56,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:21:56,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:21:56,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:21:56,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:21:56,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:21:56,400 INFO L87 Difference]: Start difference. First operand 403 states and 546 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:56,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:21:56,449 INFO L93 Difference]: Finished difference Result 770 states and 1049 transitions. [2024-11-08 16:21:56,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:21:56,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-08 16:21:56,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:21:56,453 INFO L225 Difference]: With dead ends: 770 [2024-11-08 16:21:56,453 INFO L226 Difference]: Without dead ends: 403 [2024-11-08 16:21:56,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:21:56,455 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:21:56,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 334 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:21:56,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-08 16:21:56,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-08 16:21:56,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 358 states have (on average 1.329608938547486) internal successors, (476), 361 states have internal predecessors, (476), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:21:56,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 544 transitions. [2024-11-08 16:21:56,491 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 544 transitions. Word has length 134 [2024-11-08 16:21:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:21:56,492 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 544 transitions. [2024-11-08 16:21:56,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:21:56,493 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 544 transitions. [2024-11-08 16:21:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:21:56,495 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:21:56,495 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:56,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 16:21:56,496 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:21:56,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:21:56,496 INFO L85 PathProgramCache]: Analyzing trace with hash 13236264, now seen corresponding path program 1 times [2024-11-08 16:21:56,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:21:56,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526641377] [2024-11-08 16:21:56,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:21:56,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:21:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:21:56,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:21:56,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:21:56,912 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:21:56,912 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:21:56,914 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:21:56,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 16:21:56,921 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:21:57,238 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:21:57,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:21:57 BoogieIcfgContainer [2024-11-08 16:21:57,243 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:21:57,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:21:57,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:21:57,245 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:21:57,246 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:21:29" (3/4) ... [2024-11-08 16:21:57,250 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:21:57,252 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:21:57,253 INFO L158 Benchmark]: Toolchain (without parser) took 30194.42ms. Allocated memory was 163.6MB in the beginning and 478.2MB in the end (delta: 314.6MB). Free memory was 126.9MB in the beginning and 246.4MB in the end (delta: -119.6MB). Peak memory consumption was 197.3MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,253 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:21:57,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.71ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 110.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.87ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 106.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,255 INFO L158 Benchmark]: Boogie Preprocessor took 136.01ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 100.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,255 INFO L158 Benchmark]: RCFGBuilder took 1567.16ms. Allocated memory is still 163.6MB. Free memory was 100.4MB in the beginning and 93.5MB in the end (delta: 6.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,256 INFO L158 Benchmark]: TraceAbstraction took 27837.99ms. Allocated memory was 163.6MB in the beginning and 478.2MB in the end (delta: 314.6MB). Free memory was 92.3MB in the beginning and 246.4MB in the end (delta: -154.1MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. [2024-11-08 16:21:57,258 INFO L158 Benchmark]: Witness Printer took 7.92ms. Allocated memory is still 478.2MB. Free memory is still 246.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:21:57,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 107.0MB. Free memory is still 53.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 491.71ms. Allocated memory is still 163.6MB. Free memory was 126.4MB in the beginning and 110.3MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.87ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 106.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.01ms. Allocated memory is still 163.6MB. Free memory was 106.2MB in the beginning and 100.4MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1567.16ms. Allocated memory is still 163.6MB. Free memory was 100.4MB in the beginning and 93.5MB in the end (delta: 6.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * TraceAbstraction took 27837.99ms. Allocated memory was 163.6MB in the beginning and 478.2MB in the end (delta: 314.6MB). Free memory was 92.3MB in the beginning and 246.4MB in the end (delta: -154.1MB). Peak memory consumption was 160.3MB. Max. memory is 16.1GB. * Witness Printer took 7.92ms. Allocated memory is still 478.2MB. Free memory is still 246.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 102. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = 1; [L22] signed char var_1_1 = 1; [L23] signed char* var_1_1_Pointer = &(var_1_1); [L24] float var_1_2 = 63.75; [L24] float var_1_2 = 63.75; [L25] float* var_1_2_Pointer = &(var_1_2); [L26] float var_1_3 = 255.75; [L26] float var_1_3 = 255.75; [L27] float* var_1_3_Pointer = &(var_1_3); [L28] signed char var_1_5 = 10; [L28] signed char var_1_5 = 10; [L29] signed char* var_1_5_Pointer = &(var_1_5); [L30] signed char var_1_6 = 4; [L30] signed char var_1_6 = 4; [L31] signed char* var_1_6_Pointer = &(var_1_6); [L32] signed char var_1_7 = -10; [L32] signed char var_1_7 = -10; [L33] signed char* var_1_7_Pointer = &(var_1_7); [L34] float var_1_8 = 4.75; [L34] float var_1_8 = 4.75; [L35] float* var_1_8_Pointer = &(var_1_8); [L36] float var_1_9 = 99.5; [L36] float var_1_9 = 99.5; [L37] float* var_1_9_Pointer = &(var_1_9); [L38] float var_1_10 = 255.9; [L38] float var_1_10 = 255.9; [L39] float* var_1_10_Pointer = &(var_1_10); [L40] float var_1_11 = 24.85; [L40] float var_1_11 = 24.85; [L41] float* var_1_11_Pointer = &(var_1_11); [L42] signed long int var_1_12 = -2; [L42] signed long int var_1_12 = -2; [L43] signed long int* var_1_12_Pointer = &(var_1_12); [L44] signed long int var_1_13 = 1629954775; [L44] signed long int var_1_13 = 1629954775; [L45] signed long int* var_1_13_Pointer = &(var_1_13); [L46] signed long int var_1_15 = 1928642731; [L46] signed long int var_1_15 = 1928642731; [L47] signed long int* var_1_15_Pointer = &(var_1_15); [L48] signed short int var_1_18 = 0; [L48] signed short int var_1_18 = 0; [L49] signed short int* var_1_18_Pointer = &(var_1_18); [L50] unsigned short int var_1_19 = 5; [L50] unsigned short int var_1_19 = 5; [L51] unsigned short int* var_1_19_Pointer = &(var_1_19); VAL [isInitial=0, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] FCALL updateLastVariables() [L110] CALL updateVariables() [L75] var_1_2 = __VERIFIER_nondet_float() [L76] EXPR \read(var_1_2) [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F [L76] EXPR \read(var_1_2) [L76] EXPR var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] EXPR (var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] CALL assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L76] RET assume_abort_if_not((var_1_2 >= 0.0F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L77] var_1_3 = __VERIFIER_nondet_float() [L78] EXPR \read(var_1_3) [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F [L78] EXPR \read(var_1_3) [L78] EXPR var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR (var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] EXPR (var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] CALL assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L78] RET assume_abort_if_not((var_1_3 >= 0.0F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L79] var_1_5 = __VERIFIER_nondet_char() [L80] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] CALL assume_abort_if_not(var_1_5 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L80] RET assume_abort_if_not(var_1_5 >= -1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L81] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L82] var_1_6 = __VERIFIER_nondet_char() [L83] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L83] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] EXPR \read(var_1_6) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] CALL assume_abort_if_not(var_1_6 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L84] RET assume_abort_if_not(var_1_6 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L85] var_1_7 = __VERIFIER_nondet_char() [L86] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] CALL assume_abort_if_not(var_1_7 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L86] RET assume_abort_if_not(var_1_7 >= -127) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] EXPR \read(var_1_7) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] CALL assume_abort_if_not(var_1_7 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L87] RET assume_abort_if_not(var_1_7 <= 126) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L88] var_1_9 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] EXPR (var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L90] var_1_10 = __VERIFIER_nondet_float() [L91] EXPR \read(var_1_10) [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F [L91] EXPR \read(var_1_10) [L91] EXPR var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR (var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] EXPR (var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L91] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L92] var_1_13 = __VERIFIER_nondet_long() [L93] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L93] CALL assume_abort_if_not(var_1_13 >= 1073741822) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L93] RET assume_abort_if_not(var_1_13 >= 1073741822) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] EXPR \read(var_1_13) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L94] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L95] var_1_15 = __VERIFIER_nondet_long() [L96] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L96] CALL assume_abort_if_not(var_1_15 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L96] RET assume_abort_if_not(var_1_15 >= 1073741823) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] EXPR \read(var_1_15) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] CALL assume_abort_if_not(var_1_15 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L97] RET assume_abort_if_not(var_1_15 <= 2147483646) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L110] RET updateVariables() [L111] CALL step() [L55] signed long int stepLocal_0 = -4; [L56] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L56] COND TRUE stepLocal_0 < (*(var_1_6_Pointer)) [L57] EXPR \read(*var_1_9_Pointer) [L57] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L57] EXPR (((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) [L57] EXPR \read(*var_1_9_Pointer) [L57] EXPR (((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L57] (*(var_1_8_Pointer)) = (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L59] EXPR (((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) [L59] EXPR \read(*var_1_9_Pointer) [L59] EXPR (((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L59] (*(var_1_11_Pointer)) = (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))) [L60] EXPR \read(*var_1_5_Pointer) [L60] (*(var_1_18_Pointer)) = (*(var_1_5_Pointer)) [L61] EXPR \read(*var_1_6_Pointer) [L61] (*(var_1_19_Pointer)) = (*(var_1_6_Pointer)) [L62] EXPR \read(*var_1_2_Pointer) [L62] EXPR \read(*var_1_3_Pointer) [L62] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L62] COND FALSE !(((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) [L65] EXPR \read(*var_1_5_Pointer) [L65] (*(var_1_1_Pointer)) = (*(var_1_5_Pointer)) [L67] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L67] EXPR (*(var_1_6_Pointer)) | 5 VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L67] signed long int stepLocal_1 = (*(var_1_6_Pointer)) | 5; [L68] EXPR \read(*var_1_5_Pointer) [L68] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L68] EXPR (((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer))) [L68] EXPR \read(*var_1_5_Pointer) [L68] EXPR (((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, stepLocal_1=5, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L68] COND FALSE !(stepLocal_1 <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) [L71] EXPR \read(*var_1_6_Pointer) [L71] EXPR \read(*var_1_19_Pointer) [L71] EXPR \read(*var_1_19_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L71] EXPR (((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))) [L71] EXPR \read(*var_1_19_Pointer) [L71] EXPR (((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L71] EXPR \read(*var_1_19_Pointer) [L71] (*(var_1_12_Pointer)) = ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR \read(*var_1_2_Pointer) [L102] EXPR \read(*var_1_3_Pointer) [L102] EXPR \read(*var_1_8_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) [L102] EXPR \read(*var_1_1_Pointer) [L102] EXPR \read(*var_1_5_Pointer) [L102] EXPR \read(*var_1_6_Pointer) [L102] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))) [L102] EXPR \read(*var_1_5_Pointer) [L102] EXPR \read(*var_1_6_Pointer) [L102] EXPR ((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer))))))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR (((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102] EXPR ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L102-L103] return ((((((((*(var_1_2_Pointer)) - (*(var_1_3_Pointer))) <= (- (*(var_1_8_Pointer)))) ? ((*(var_1_1_Pointer)) == ((signed char) ((((((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) < ((*(var_1_7_Pointer)))) ? (((*(var_1_5_Pointer)) - (*(var_1_6_Pointer)))) : ((*(var_1_7_Pointer))))))) : ((*(var_1_1_Pointer)) == ((signed char) (*(var_1_5_Pointer))))) && ((-4 < (*(var_1_6_Pointer))) ? ((*(var_1_8_Pointer)) == ((float) (((((*(var_1_9_Pointer))) < ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer))))))) : 1)) && ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_9_Pointer))) > ((*(var_1_10_Pointer)))) ? ((*(var_1_9_Pointer))) : ((*(var_1_10_Pointer)))))))) && ((((*(var_1_6_Pointer)) | 5) <= (((((*(var_1_5_Pointer))) > ((*(var_1_7_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_7_Pointer)))))) ? ((*(var_1_12_Pointer)) == ((signed long int) ((((((*(var_1_6_Pointer))) < (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer))))) ? ((*(var_1_6_Pointer))) : (((*(var_1_13_Pointer)) - (*(var_1_19_Pointer)))))) - ((*(var_1_15_Pointer)) - (((((*(var_1_5_Pointer))) < 0 ) ? -((*(var_1_5_Pointer))) : ((*(var_1_5_Pointer))))))))) : ((*(var_1_12_Pointer)) == ((signed long int) ((*(var_1_6_Pointer)) + ((((((*(var_1_19_Pointer))) < ((*(var_1_19_Pointer)))) ? ((*(var_1_19_Pointer))) : ((*(var_1_19_Pointer))))) - (*(var_1_19_Pointer)))))))) && ((*(var_1_18_Pointer)) == ((signed short int) (*(var_1_5_Pointer))))) && ((*(var_1_19_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={12:0}, var_1_10_Pointer={12:0}, var_1_11={13:0}, var_1_11_Pointer={13:0}, var_1_12={14:0}, var_1_12_Pointer={14:0}, var_1_13={15:0}, var_1_13_Pointer={15:0}, var_1_15={16:0}, var_1_15_Pointer={16:0}, var_1_18={17:0}, var_1_18_Pointer={17:0}, var_1_19={18:0}, var_1_19_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_5={7:0}, var_1_5_Pointer={7:0}, var_1_6={8:0}, var_1_6_Pointer={8:0}, var_1_7={9:0}, var_1_7_Pointer={9:0}, var_1_8={10:0}, var_1_8_Pointer={10:0}, var_1_9={11:0}, var_1_9_Pointer={11:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 123 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 27.4s, OverallIterations: 14, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3566 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3566 mSDsluCounter, 12407 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10188 mSDsCounter, 256 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4347 IncrementalHoareTripleChecker+Invalid, 4603 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 256 mSolverCounterUnsat, 2219 mSDtfsCounter, 4347 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1341 GetRequests, 1159 SyntacticMatches, 4 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1321 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=458occurred in iteration=9, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 384 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 2252 NumberOfCodeBlocks, 2252 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2501 ConstructedInterpolants, 0 QuantifiedInterpolants, 9934 SizeOfPredicates, 51 NumberOfNonLiveVariables, 1901 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 6331/6916 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 16:21:57,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:22:00,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:22:00,569 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:22:00,587 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:22:00,588 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:22:00,643 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:22:00,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:22:00,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:22:00,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:22:00,647 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:22:00,648 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:22:00,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:22:00,650 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:22:00,653 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:22:00,654 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:22:00,655 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:22:00,655 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:22:00,656 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:22:00,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:22:00,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:22:00,657 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:22:00,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:22:00,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:22:00,663 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:22:00,663 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:22:00,664 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:22:00,664 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:22:00,665 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:22:00,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:22:00,669 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:22:00,670 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:22:00,670 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:22:00,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:22:00,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:22:00,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:22:00,674 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:22:00,674 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:22:00,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:22:00,676 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:22:00,676 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:22:00,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:22:00,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:22:00,678 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:22:00,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:22:00,678 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0d9ba7b8de4794ff5127bd37e96765671fd57e5f618f17f55c89012f3aab4e0 [2024-11-08 16:22:01,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:22:01,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:22:01,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:22:01,277 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:22:01,279 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:22:01,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i Unable to find full path for "g++" [2024-11-08 16:22:04,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:22:04,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:22:04,626 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i [2024-11-08 16:22:04,648 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/a600fb28a/70064581363c4f0eab55752bb2978529/FLAG2bc682b41 [2024-11-08 16:22:04,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/data/a600fb28a/70064581363c4f0eab55752bb2978529 [2024-11-08 16:22:04,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:22:04,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:22:04,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:22:04,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:22:04,877 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:22:04,878 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:22:04" (1/1) ... [2024-11-08 16:22:04,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d3b627 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:04, skipping insertion in model container [2024-11-08 16:22:04,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:22:04" (1/1) ... [2024-11-08 16:22:04,922 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:22:05,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-08 16:22:05,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:22:05,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:22:05,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-28.i[916,929] [2024-11-08 16:22:05,531 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:22:05,578 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:22:05,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05 WrapperNode [2024-11-08 16:22:05,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:22:05,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:22:05,581 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:22:05,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:22:05,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,697 INFO L138 Inliner]: procedures = 36, calls = 192, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 593 [2024-11-08 16:22:05,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:22:05,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:22:05,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:22:05,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:22:05,720 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,814 INFO L175 MemorySlicer]: Split 152 memory accesses to 16 slices as follows [2, 5, 8, 8, 22, 20, 12, 5, 14, 14, 3, 5, 8, 6, 3, 17]. 14 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1]. [2024-11-08 16:22:05,815 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,815 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,866 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,917 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,936 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:22:05,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:22:05,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:22:05,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:22:05,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (1/1) ... [2024-11-08 16:22:05,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:22:05,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:22:05,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:22:06,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:22:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:22:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 16:22:06,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 16:22:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 16:22:06,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 16:22:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 16:22:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 16:22:06,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 16:22:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 16:22:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 16:22:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 16:22:06,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 16:22:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 16:22:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 16:22:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-08 16:22:06,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-08 16:22:06,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-08 16:22:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 16:22:06,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 16:22:06,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 16:22:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 16:22:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 16:22:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 16:22:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 16:22:06,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 16:22:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 16:22:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 16:22:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 16:22:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 16:22:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 16:22:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-08 16:22:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-08 16:22:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-08 16:22:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:22:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 16:22:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 16:22:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 16:22:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 16:22:06,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 16:22:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 16:22:06,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 16:22:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 16:22:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 16:22:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 16:22:06,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 16:22:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 16:22:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 16:22:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 16:22:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 16:22:06,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 16:22:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 16:22:06,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 16:22:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 16:22:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 16:22:06,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 16:22:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 16:22:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 16:22:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 16:22:06,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 16:22:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-08 16:22:06,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-08 16:22:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-08 16:22:06,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-08 16:22:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#14 [2024-11-08 16:22:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#15 [2024-11-08 16:22:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 16:22:06,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 16:22:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 16:22:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 16:22:06,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 16:22:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 16:22:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 16:22:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 16:22:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 16:22:06,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 16:22:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 16:22:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 16:22:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 16:22:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 16:22:06,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 16:22:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 16:22:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 16:22:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 16:22:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 16:22:06,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 16:22:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 16:22:06,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 16:22:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 16:22:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 16:22:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 16:22:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 16:22:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 16:22:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-08 16:22:06,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-08 16:22:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-08 16:22:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2024-11-08 16:22:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2024-11-08 16:22:06,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 16:22:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 16:22:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 16:22:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 16:22:06,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 16:22:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 16:22:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 16:22:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 16:22:06,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-08 16:22:06,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-08 16:22:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-08 16:22:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 16:22:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 16:22:06,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 16:22:06,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 16:22:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 16:22:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 16:22:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 16:22:06,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 16:22:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 16:22:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 16:22:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 16:22:06,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 16:22:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 16:22:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 16:22:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 16:22:06,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 16:22:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 16:22:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 16:22:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 16:22:06,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 16:22:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 16:22:06,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 16:22:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 16:22:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 16:22:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 16:22:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 16:22:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 16:22:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 16:22:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 16:22:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 16:22:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 16:22:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 16:22:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:22:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:22:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:22:06,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:22:06,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 16:22:06,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 16:22:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 16:22:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 16:22:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 16:22:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 16:22:06,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-08 16:22:06,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-08 16:22:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-08 16:22:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 16:22:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 16:22:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 16:22:06,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 16:22:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 16:22:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 16:22:06,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 16:22:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 16:22:06,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 16:22:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 16:22:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 16:22:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 16:22:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 16:22:06,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-08 16:22:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-08 16:22:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-08 16:22:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 16:22:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 16:22:06,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 16:22:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 16:22:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 16:22:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 16:22:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 16:22:06,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 16:22:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 16:22:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 16:22:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 16:22:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-08 16:22:06,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-08 16:22:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-08 16:22:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2024-11-08 16:22:06,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2024-11-08 16:22:06,571 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:22:06,575 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:22:08,036 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-08 16:22:08,036 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:22:08,058 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:22:08,058 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 16:22:08,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:22:08 BoogieIcfgContainer [2024-11-08 16:22:08,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:22:08,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:22:08,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:22:08,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:22:08,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:22:04" (1/3) ... [2024-11-08 16:22:08,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44060497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:22:08, skipping insertion in model container [2024-11-08 16:22:08,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:22:05" (2/3) ... [2024-11-08 16:22:08,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44060497 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:22:08, skipping insertion in model container [2024-11-08 16:22:08,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:22:08" (3/3) ... [2024-11-08 16:22:08,072 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-28.i [2024-11-08 16:22:08,099 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:22:08,099 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:22:08,208 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:22:08,218 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5d34dbff, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:22:08,219 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:22:08,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:08,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 16:22:08,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:08,247 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:08,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:08,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:08,255 INFO L85 PathProgramCache]: Analyzing trace with hash 374720721, now seen corresponding path program 1 times [2024-11-08 16:22:08,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:08,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1041141090] [2024-11-08 16:22:08,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:08,275 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:08,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:08,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:08,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 16:22:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:09,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:22:09,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:09,325 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-11-08 16:22:09,326 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:09,327 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:09,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1041141090] [2024-11-08 16:22:09,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1041141090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:09,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:09,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:22:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383978386] [2024-11-08 16:22:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:09,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:22:09,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:09,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:22:09,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:22:09,380 INFO L87 Difference]: Start difference. First operand has 115 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:09,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:09,445 INFO L93 Difference]: Finished difference Result 223 states and 344 transitions. [2024-11-08 16:22:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:22:09,452 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-08 16:22:09,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:09,466 INFO L225 Difference]: With dead ends: 223 [2024-11-08 16:22:09,466 INFO L226 Difference]: Without dead ends: 111 [2024-11-08 16:22:09,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:22:09,482 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:09,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:22:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-08 16:22:09,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-08 16:22:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 95 states have (on average 1.4) internal successors, (133), 95 states have internal predecessors, (133), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:09,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2024-11-08 16:22:09,582 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 128 [2024-11-08 16:22:09,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:09,583 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2024-11-08 16:22:09,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2024-11-08 16:22:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 16:22:09,588 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:09,589 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:09,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 16:22:09,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:09,791 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:09,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:09,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1402014693, now seen corresponding path program 1 times [2024-11-08 16:22:09,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:09,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [849664277] [2024-11-08 16:22:09,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:09,795 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:09,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:09,800 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:09,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 16:22:10,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:10,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:22:10,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:10,777 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 16:22:10,778 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:10,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:10,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [849664277] [2024-11-08 16:22:10,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [849664277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:10,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:10,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:22:10,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212260286] [2024-11-08 16:22:10,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:10,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:22:10,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:10,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:22:10,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:22:10,784 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:10,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:10,903 INFO L93 Difference]: Finished difference Result 221 states and 322 transitions. [2024-11-08 16:22:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:22:10,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 128 [2024-11-08 16:22:10,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:10,908 INFO L225 Difference]: With dead ends: 221 [2024-11-08 16:22:10,908 INFO L226 Difference]: Without dead ends: 113 [2024-11-08 16:22:10,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:22:10,915 INFO L432 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:10,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:22:10,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-08 16:22:10,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-08 16:22:10,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 97 states have (on average 1.3917525773195876) internal successors, (135), 97 states have internal predecessors, (135), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:10,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 163 transitions. [2024-11-08 16:22:10,951 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 163 transitions. Word has length 128 [2024-11-08 16:22:10,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:10,953 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 163 transitions. [2024-11-08 16:22:10,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:10,957 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 163 transitions. [2024-11-08 16:22:10,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 16:22:10,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:10,960 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:10,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-08 16:22:11,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:11,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:11,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:11,163 INFO L85 PathProgramCache]: Analyzing trace with hash -599871577, now seen corresponding path program 1 times [2024-11-08 16:22:11,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:11,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820046635] [2024-11-08 16:22:11,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:11,165 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:11,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:11,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:11,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:22:11,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:11,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 16:22:12,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:12,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:22:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:22:12,978 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:22:13,562 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:22:13,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:22:13,789 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:22:13,790 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:13,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820046635] [2024-11-08 16:22:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820046635] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:22:13,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:22:13,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-08 16:22:13,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253379656] [2024-11-08 16:22:13,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:22:13,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:22:13,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:13,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:22:13,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:22:13,800 INFO L87 Difference]: Start difference. First operand 113 states and 163 transitions. Second operand has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-08 16:22:15,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:15,199 INFO L93 Difference]: Finished difference Result 227 states and 326 transitions. [2024-11-08 16:22:15,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:22:15,201 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) Word has length 128 [2024-11-08 16:22:15,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:15,204 INFO L225 Difference]: With dead ends: 227 [2024-11-08 16:22:15,204 INFO L226 Difference]: Without dead ends: 117 [2024-11-08 16:22:15,205 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:22:15,207 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 226 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:15,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 588 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 16:22:15,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-08 16:22:15,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-08 16:22:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 100 states have (on average 1.37) internal successors, (137), 100 states have internal predecessors, (137), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:15,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 165 transitions. [2024-11-08 16:22:15,234 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 165 transitions. Word has length 128 [2024-11-08 16:22:15,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:15,235 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 165 transitions. [2024-11-08 16:22:15,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 13 states have internal predecessors, (92), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-08 16:22:15,236 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 165 transitions. [2024-11-08 16:22:15,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:22:15,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:15,240 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:15,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 16:22:15,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:15,445 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:15,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:15,447 INFO L85 PathProgramCache]: Analyzing trace with hash 119604812, now seen corresponding path program 1 times [2024-11-08 16:22:15,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:15,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [815559378] [2024-11-08 16:22:15,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:15,453 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:15,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 16:22:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:16,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:22:16,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:16,287 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:22:16,288 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:16,288 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:16,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [815559378] [2024-11-08 16:22:16,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [815559378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:16,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:16,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:22:16,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178911840] [2024-11-08 16:22:16,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:16,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:22:16,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:16,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:22:16,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:22:16,293 INFO L87 Difference]: Start difference. First operand 117 states and 165 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:16,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:16,425 INFO L93 Difference]: Finished difference Result 238 states and 337 transitions. [2024-11-08 16:22:16,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:22:16,426 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:22:16,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:16,429 INFO L225 Difference]: With dead ends: 238 [2024-11-08 16:22:16,429 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 16:22:16,430 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:22:16,432 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 1 mSDsluCounter, 591 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:16,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 744 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:22:16,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 16:22:16,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2024-11-08 16:22:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 106 states have (on average 1.349056603773585) internal successors, (143), 106 states have internal predecessors, (143), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 171 transitions. [2024-11-08 16:22:16,467 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 171 transitions. Word has length 130 [2024-11-08 16:22:16,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:16,468 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 171 transitions. [2024-11-08 16:22:16,468 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 171 transitions. [2024-11-08 16:22:16,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:22:16,470 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:16,471 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:16,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 16:22:16,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:16,675 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:16,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:16,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1894612174, now seen corresponding path program 1 times [2024-11-08 16:22:16,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:16,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [522282636] [2024-11-08 16:22:16,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:16,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:16,682 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:16,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 16:22:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:17,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 372 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 16:22:17,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:17,486 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:22:17,487 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:17,487 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:17,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [522282636] [2024-11-08 16:22:17,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [522282636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:17,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:17,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 16:22:17,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396430864] [2024-11-08 16:22:17,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:17,489 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:22:17,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:17,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:22:17,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:22:17,491 INFO L87 Difference]: Start difference. First operand 123 states and 171 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:17,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:17,629 INFO L93 Difference]: Finished difference Result 246 states and 343 transitions. [2024-11-08 16:22:17,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:22:17,630 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:22:17,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:17,632 INFO L225 Difference]: With dead ends: 246 [2024-11-08 16:22:17,632 INFO L226 Difference]: Without dead ends: 126 [2024-11-08 16:22:17,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 16:22:17,636 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 1 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:17,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 886 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:22:17,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-08 16:22:17,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2024-11-08 16:22:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 108 states have (on average 1.3425925925925926) internal successors, (145), 108 states have internal predecessors, (145), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:17,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 173 transitions. [2024-11-08 16:22:17,674 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 173 transitions. Word has length 130 [2024-11-08 16:22:17,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:17,675 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 173 transitions. [2024-11-08 16:22:17,676 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 173 transitions. [2024-11-08 16:22:17,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 16:22:17,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:17,682 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:17,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 16:22:17,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:17,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:17,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:17,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1896459216, now seen corresponding path program 1 times [2024-11-08 16:22:17,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:17,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136980865] [2024-11-08 16:22:17,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:17,885 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:17,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:17,889 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:17,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 16:22:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:18,589 INFO L255 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:22:18,594 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:18,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-08 16:22:18,749 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:22:18,749 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:18,749 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:18,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136980865] [2024-11-08 16:22:18,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136980865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:18,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:18,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:22:18,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420372301] [2024-11-08 16:22:18,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:18,751 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:22:18,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:18,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:22:18,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:22:18,753 INFO L87 Difference]: Start difference. First operand 125 states and 173 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:19,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:19,709 INFO L93 Difference]: Finished difference Result 248 states and 344 transitions. [2024-11-08 16:22:19,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:22:19,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-08 16:22:19,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:19,716 INFO L225 Difference]: With dead ends: 248 [2024-11-08 16:22:19,716 INFO L226 Difference]: Without dead ends: 126 [2024-11-08 16:22:19,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:22:19,718 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 155 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:19,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 515 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 16:22:19,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-08 16:22:19,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2024-11-08 16:22:19,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 108 states have (on average 1.3333333333333333) internal successors, (144), 108 states have internal predecessors, (144), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:19,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 172 transitions. [2024-11-08 16:22:19,736 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 172 transitions. Word has length 130 [2024-11-08 16:22:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:19,736 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 172 transitions. [2024-11-08 16:22:19,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:19,737 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 172 transitions. [2024-11-08 16:22:19,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 16:22:19,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:19,739 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:19,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-11-08 16:22:19,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:19,940 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:19,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:19,941 INFO L85 PathProgramCache]: Analyzing trace with hash 659362870, now seen corresponding path program 1 times [2024-11-08 16:22:19,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:19,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [332662964] [2024-11-08 16:22:19,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:19,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:19,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:19,944 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:19,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-08 16:22:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:20,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:22:20,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:20,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 41 [2024-11-08 16:22:20,843 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-08 16:22:20,843 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:22:20,844 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:20,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [332662964] [2024-11-08 16:22:20,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [332662964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:22:20,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:22:20,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 16:22:20,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519297037] [2024-11-08 16:22:20,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:20,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:22:20,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:20,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:22:20,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:22:20,849 INFO L87 Difference]: Start difference. First operand 125 states and 172 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:21,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:21,769 INFO L93 Difference]: Finished difference Result 247 states and 341 transitions. [2024-11-08 16:22:21,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:22:21,774 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 132 [2024-11-08 16:22:21,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:21,775 INFO L225 Difference]: With dead ends: 247 [2024-11-08 16:22:21,775 INFO L226 Difference]: Without dead ends: 125 [2024-11-08 16:22:21,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:22:21,781 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 144 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:21,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 509 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 16:22:21,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-08 16:22:21,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 123. [2024-11-08 16:22:21,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 106 states have (on average 1.330188679245283) internal successors, (141), 106 states have internal predecessors, (141), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 169 transitions. [2024-11-08 16:22:21,810 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 169 transitions. Word has length 132 [2024-11-08 16:22:21,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:21,811 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 169 transitions. [2024-11-08 16:22:21,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:22:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 169 transitions. [2024-11-08 16:22:21,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:22:21,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:21,816 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:21,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2024-11-08 16:22:22,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:22,017 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:22,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:22,018 INFO L85 PathProgramCache]: Analyzing trace with hash 326914510, now seen corresponding path program 1 times [2024-11-08 16:22:22,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:22,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [249216730] [2024-11-08 16:22:22,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:22,019 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:22,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:22,023 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:22,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-08 16:22:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:22,740 INFO L255 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 16:22:22,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:22,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 40 [2024-11-08 16:22:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 4 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2024-11-08 16:22:23,052 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:22:23,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-08 16:22:23,414 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:22:23,415 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [249216730] [2024-11-08 16:22:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [249216730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:22:23,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:22:23,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-08 16:22:23,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777334204] [2024-11-08 16:22:23,416 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:22:23,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:22:23,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:23,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:22:23,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:22:23,420 INFO L87 Difference]: Start difference. First operand 123 states and 169 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 16:22:24,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:24,834 INFO L93 Difference]: Finished difference Result 254 states and 348 transitions. [2024-11-08 16:22:24,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:22:24,839 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 134 [2024-11-08 16:22:24,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:24,840 INFO L225 Difference]: With dead ends: 254 [2024-11-08 16:22:24,841 INFO L226 Difference]: Without dead ends: 123 [2024-11-08 16:22:24,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:22:24,843 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 141 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 283 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:24,844 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 684 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 283 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:22:24,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-08 16:22:24,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-08 16:22:24,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 106 states have (on average 1.3113207547169812) internal successors, (139), 106 states have internal predecessors, (139), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-08 16:22:24,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions. [2024-11-08 16:22:24,859 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 134 [2024-11-08 16:22:24,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:24,859 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 167 transitions. [2024-11-08 16:22:24,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 12 states have internal predecessors, (93), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 16:22:24,860 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions. [2024-11-08 16:22:24,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 16:22:24,862 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:24,863 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:24,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-08 16:22:25,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:25,064 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:25,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:25,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2125577072, now seen corresponding path program 1 times [2024-11-08 16:22:25,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:25,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1496492735] [2024-11-08 16:22:25,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:25,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:25,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:25,068 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:25,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-11-08 16:22:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:25,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 16:22:25,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:26,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-08 16:22:26,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:22:26,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 34 [2024-11-08 16:22:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-08 16:22:26,878 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:22:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:22:27,104 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1496492735] [2024-11-08 16:22:27,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1496492735] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:22:27,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:22:27,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-08 16:22:27,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835944900] [2024-11-08 16:22:27,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:27,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:22:27,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:27,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:22:27,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:22:27,108 INFO L87 Difference]: Start difference. First operand 123 states and 167 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:27,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:27,894 INFO L93 Difference]: Finished difference Result 317 states and 429 transitions. [2024-11-08 16:22:27,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:22:27,896 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 134 [2024-11-08 16:22:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:27,898 INFO L225 Difference]: With dead ends: 317 [2024-11-08 16:22:27,898 INFO L226 Difference]: Without dead ends: 197 [2024-11-08 16:22:27,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:22:27,900 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 82 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 610 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:27,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 610 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:22:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-08 16:22:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 194. [2024-11-08 16:22:27,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 174 states have (on average 1.3218390804597702) internal successors, (230), 175 states have internal predecessors, (230), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:22:27,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 262 transitions. [2024-11-08 16:22:27,917 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 262 transitions. Word has length 134 [2024-11-08 16:22:27,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:27,918 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 262 transitions. [2024-11-08 16:22:27,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:27,919 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 262 transitions. [2024-11-08 16:22:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:22:27,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:27,921 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:27,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-11-08 16:22:28,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:28,122 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:28,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:28,123 INFO L85 PathProgramCache]: Analyzing trace with hash -837062014, now seen corresponding path program 1 times [2024-11-08 16:22:28,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:28,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1032556976] [2024-11-08 16:22:28,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:28,125 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:28,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:28,127 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:28,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2024-11-08 16:22:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:28,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 16:22:28,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:29,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:22:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:22:29,786 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:22:30,268 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:22:30,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:22:30,481 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:22:30,481 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:30,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1032556976] [2024-11-08 16:22:30,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1032556976] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:22:30,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:22:30,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2024-11-08 16:22:30,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754032383] [2024-11-08 16:22:30,482 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:22:30,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 16:22:30,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:30,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 16:22:30,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:22:30,485 INFO L87 Difference]: Start difference. First operand 194 states and 262 transitions. Second operand has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-08 16:22:31,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:31,602 INFO L93 Difference]: Finished difference Result 385 states and 521 transitions. [2024-11-08 16:22:31,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:22:31,603 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) Word has length 136 [2024-11-08 16:22:31,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:31,607 INFO L225 Difference]: With dead ends: 385 [2024-11-08 16:22:31,607 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 16:22:31,608 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:22:31,609 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 196 mSDsluCounter, 438 mSDsCounter, 0 mSdLazyCounter, 221 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:31,610 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 559 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 16:22:31,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 16:22:31,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-08 16:22:31,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 174 states have (on average 1.3103448275862069) internal successors, (228), 175 states have internal predecessors, (228), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:22:31,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 260 transitions. [2024-11-08 16:22:31,621 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 260 transitions. Word has length 136 [2024-11-08 16:22:31,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:31,622 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 260 transitions. [2024-11-08 16:22:31,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 10.545454545454545) internal successors, (116), 13 states have internal predecessors, (116), 5 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 3 states have call predecessors, (28), 5 states have call successors, (28) [2024-11-08 16:22:31,623 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 260 transitions. [2024-11-08 16:22:31,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:22:31,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:31,626 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:31,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2024-11-08 16:22:31,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:31,830 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:31,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:31,831 INFO L85 PathProgramCache]: Analyzing trace with hash -625031639, now seen corresponding path program 1 times [2024-11-08 16:22:31,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:31,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [437963723] [2024-11-08 16:22:31,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:31,832 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:31,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:31,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2024-11-08 16:22:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:22:32,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 16:22:32,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:22:33,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:22:33,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 16:22:33,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 16:22:33,400 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:22:33,400 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:22:33,573 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:22:33,574 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:22:33,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [437963723] [2024-11-08 16:22:33,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [437963723] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:22:33,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:22:33,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:22:33,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083128223] [2024-11-08 16:22:33,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:22:33,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:22:33,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:22:33,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:22:33,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:22:33,578 INFO L87 Difference]: Start difference. First operand 194 states and 260 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:33,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:22:33,612 INFO L93 Difference]: Finished difference Result 385 states and 517 transitions. [2024-11-08 16:22:33,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:22:33,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-08 16:22:33,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:22:33,620 INFO L225 Difference]: With dead ends: 385 [2024-11-08 16:22:33,620 INFO L226 Difference]: Without dead ends: 194 [2024-11-08 16:22:33,620 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:22:33,621 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 0 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:22:33,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 302 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:22:33,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-11-08 16:22:33,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2024-11-08 16:22:33,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 174 states have (on average 1.2988505747126438) internal successors, (226), 175 states have internal predecessors, (226), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:22:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 258 transitions. [2024-11-08 16:22:33,639 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 258 transitions. Word has length 136 [2024-11-08 16:22:33,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:22:33,640 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 258 transitions. [2024-11-08 16:22:33,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:22:33,641 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 258 transitions. [2024-11-08 16:22:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:22:33,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:22:33,645 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:22:33,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2024-11-08 16:22:33,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:33,846 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:22:33,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:22:33,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1442680089, now seen corresponding path program 1 times [2024-11-08 16:22:33,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:22:33,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1756207611] [2024-11-08 16:22:33,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:22:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:22:33,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:22:33,850 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:22:33,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2024-11-08 16:23:03,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:23:03,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 16:23:04,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:23:15,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 43 [2024-11-08 16:23:15,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:23:28,617 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 71 [2024-11-08 16:23:28,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 59 [2024-11-08 16:23:28,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 51 [2024-11-08 16:23:33,908 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 238 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 16:23:33,909 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:23:58,385 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:23:58,385 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:23:58,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1756207611] [2024-11-08 16:23:58,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1756207611] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:23:58,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:23:58,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [30] total 34 [2024-11-08 16:23:58,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195776677] [2024-11-08 16:23:58,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:23:58,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:23:58,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:23:58,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:23:58,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1026, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:23:58,389 INFO L87 Difference]: Start difference. First operand 194 states and 258 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:24:18,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:24:18,828 INFO L93 Difference]: Finished difference Result 381 states and 506 transitions. [2024-11-08 16:24:18,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:24:18,838 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-08 16:24:18,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:24:18,840 INFO L225 Difference]: With dead ends: 381 [2024-11-08 16:24:18,841 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 16:24:18,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 43.3s TimeCoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 16:24:18,843 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:24:18,843 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 436 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 14.3s Time] [2024-11-08 16:24:18,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 16:24:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2024-11-08 16:24:18,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 168 states have (on average 1.2916666666666667) internal successors, (217), 169 states have internal predecessors, (217), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:24:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 249 transitions. [2024-11-08 16:24:18,858 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 249 transitions. Word has length 136 [2024-11-08 16:24:18,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:24:18,859 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 249 transitions. [2024-11-08 16:24:18,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:24:18,859 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 249 transitions. [2024-11-08 16:24:18,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 16:24:18,861 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:24:18,861 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:24:18,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-08 16:24:19,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:24:19,062 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:24:19,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:24:19,063 INFO L85 PathProgramCache]: Analyzing trace with hash 470253653, now seen corresponding path program 1 times [2024-11-08 16:24:19,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:24:19,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [16799528] [2024-11-08 16:24:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:24:19,064 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:24:19,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:24:19,068 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:24:19,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2024-11-08 16:24:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:24:41,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 16:24:41,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:24:54,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 43 [2024-11-08 16:24:55,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:25:14,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 81 [2024-11-08 16:25:14,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 117 treesize of output 69 [2024-11-08 16:25:14,429 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 50 [2024-11-08 16:25:19,849 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 238 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-08 16:25:19,849 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:25:43,811 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:25:43,811 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:25:43,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [16799528] [2024-11-08 16:25:43,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [16799528] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:25:43,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:25:43,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [30] total 34 [2024-11-08 16:25:43,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583026679] [2024-11-08 16:25:43,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:25:43,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:25:43,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:25:43,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:25:43,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=1026, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:25:43,814 INFO L87 Difference]: Start difference. First operand 188 states and 249 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:03,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:03,684 INFO L93 Difference]: Finished difference Result 375 states and 496 transitions. [2024-11-08 16:26:03,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:03,693 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-08 16:26:03,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:03,695 INFO L225 Difference]: With dead ends: 375 [2024-11-08 16:26:03,696 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 16:26:03,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 42.9s TimeCoverageRelationStatistics Valid=101, Invalid=1089, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 16:26:03,698 INFO L432 NwaCegarLoop]: 204 mSDtfsCounter, 120 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:03,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 506 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2024-11-08 16:26:03,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 16:26:03,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 188. [2024-11-08 16:26:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 168 states have (on average 1.2857142857142858) internal successors, (216), 169 states have internal predecessors, (216), 16 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 16:26:03,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 248 transitions. [2024-11-08 16:26:03,714 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 248 transitions. Word has length 136 [2024-11-08 16:26:03,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:03,715 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 248 transitions. [2024-11-08 16:26:03,716 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:03,716 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 248 transitions. [2024-11-08 16:26:03,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:26:03,717 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:03,718 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:03,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:03,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:03,919 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:03,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:03,919 INFO L85 PathProgramCache]: Analyzing trace with hash 1180652325, now seen corresponding path program 1 times [2024-11-08 16:26:03,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:03,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348395797] [2024-11-08 16:26:03,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:03,922 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2024-11-08 16:26:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:04,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:26:04,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:06,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:26:06,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:26:07,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:26:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:26:07,482 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:08,193 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:08,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348395797] [2024-11-08 16:26:08,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348395797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:26:08,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386888646] [2024-11-08 16:26:08,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:08,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:08,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:26:08,195 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:26:08,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-08 16:26:08,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:08,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 16:26:08,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:26:09,413 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:26:09,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386888646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:26:09,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:26:09,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-08 16:26:09,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455234816] [2024-11-08 16:26:09,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:09,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:26:09,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:09,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:26:09,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:26:09,417 INFO L87 Difference]: Start difference. First operand 188 states and 248 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:09,997 INFO L93 Difference]: Finished difference Result 533 states and 700 transitions. [2024-11-08 16:26:10,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:10,002 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:26:10,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:10,006 INFO L225 Difference]: With dead ends: 533 [2024-11-08 16:26:10,006 INFO L226 Difference]: Without dead ends: 348 [2024-11-08 16:26:10,007 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 288 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:26:10,007 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 111 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:10,008 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 475 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:26:10,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-08 16:26:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 345. [2024-11-08 16:26:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 312 states have (on average 1.2820512820512822) internal successors, (400), 315 states have internal predecessors, (400), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:26:10,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 452 transitions. [2024-11-08 16:26:10,049 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 452 transitions. Word has length 138 [2024-11-08 16:26:10,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:10,050 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 452 transitions. [2024-11-08 16:26:10,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:10,051 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 452 transitions. [2024-11-08 16:26:10,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:26:10,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:10,053 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:10,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 16:26:10,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:10,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:26:10,454 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:10,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 671179235, now seen corresponding path program 1 times [2024-11-08 16:26:10,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:10,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418090201] [2024-11-08 16:26:10,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:10,455 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:10,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:10,457 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:10,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2024-11-08 16:26:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:11,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:26:11,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:13,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:26:13,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:26:13,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 118 treesize of output 58 [2024-11-08 16:26:14,338 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:26:14,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:15,231 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:26:15,231 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:15,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1418090201] [2024-11-08 16:26:15,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1418090201] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:26:15,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:26:15,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 21 [2024-11-08 16:26:15,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670355621] [2024-11-08 16:26:15,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:15,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:26:15,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:15,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:26:15,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-08 16:26:15,235 INFO L87 Difference]: Start difference. First operand 345 states and 452 transitions. Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:16,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:16,885 INFO L93 Difference]: Finished difference Result 734 states and 957 transitions. [2024-11-08 16:26:16,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:26:16,887 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:26:16,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:16,890 INFO L225 Difference]: With dead ends: 734 [2024-11-08 16:26:16,891 INFO L226 Difference]: Without dead ends: 392 [2024-11-08 16:26:16,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2024-11-08 16:26:16,893 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 189 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 1246 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:16,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 1246 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 16:26:16,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2024-11-08 16:26:16,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 353. [2024-11-08 16:26:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 320 states have (on average 1.275) internal successors, (408), 323 states have internal predecessors, (408), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:26:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 460 transitions. [2024-11-08 16:26:16,940 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 460 transitions. Word has length 138 [2024-11-08 16:26:16,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:16,941 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 460 transitions. [2024-11-08 16:26:16,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 460 transitions. [2024-11-08 16:26:16,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:26:16,944 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:16,945 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:16,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:17,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:17,145 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:17,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:17,146 INFO L85 PathProgramCache]: Analyzing trace with hash -608684443, now seen corresponding path program 1 times [2024-11-08 16:26:17,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:17,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1231856218] [2024-11-08 16:26:17,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:17,147 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:17,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:17,151 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:17,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2024-11-08 16:26:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:17,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:26:17,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:23,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 64 [2024-11-08 16:26:23,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2024-11-08 16:26:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:26:23,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:26:24,480 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:24,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1231856218] [2024-11-08 16:26:24,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1231856218] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:26:24,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:26:24,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [13] total 17 [2024-11-08 16:26:24,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328126376] [2024-11-08 16:26:24,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:24,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:26:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:24,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:26:24,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:26:24,483 INFO L87 Difference]: Start difference. First operand 353 states and 460 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:25,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:25,157 INFO L93 Difference]: Finished difference Result 696 states and 907 transitions. [2024-11-08 16:26:25,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:26:25,158 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:26:25,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:25,161 INFO L225 Difference]: With dead ends: 696 [2024-11-08 16:26:25,161 INFO L226 Difference]: Without dead ends: 346 [2024-11-08 16:26:25,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:26:25,163 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 180 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:25,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 412 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:26:25,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2024-11-08 16:26:25,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 343. [2024-11-08 16:26:25,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 343 states, 310 states have (on average 1.270967741935484) internal successors, (394), 313 states have internal predecessors, (394), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 23 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 16:26:25,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 446 transitions. [2024-11-08 16:26:25,188 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 446 transitions. Word has length 138 [2024-11-08 16:26:25,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:25,189 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 446 transitions. [2024-11-08 16:26:25,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:25,190 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 446 transitions. [2024-11-08 16:26:25,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:26:25,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:25,191 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:25,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2024-11-08 16:26:25,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:25,392 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:25,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:25,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1917176980, now seen corresponding path program 1 times [2024-11-08 16:26:25,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:25,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2067737862] [2024-11-08 16:26:25,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:25,394 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:25,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:25,398 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:25,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2024-11-08 16:26:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:26,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 16:26:26,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:26,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 16:26:26,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 16:26:26,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:26:26,860 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:26:26,861 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:26:27,264 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:27,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2067737862] [2024-11-08 16:26:27,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2067737862] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:26:27,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:26:27,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-08 16:26:27,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454252558] [2024-11-08 16:26:27,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:27,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:26:27,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:27,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:26:27,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:26:27,267 INFO L87 Difference]: Start difference. First operand 343 states and 446 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:28,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:26:28,525 INFO L93 Difference]: Finished difference Result 857 states and 1110 transitions. [2024-11-08 16:26:28,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:26:28,526 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:26:28,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:26:28,530 INFO L225 Difference]: With dead ends: 857 [2024-11-08 16:26:28,531 INFO L226 Difference]: Without dead ends: 517 [2024-11-08 16:26:28,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 262 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:26:28,533 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 94 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1394 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:26:28,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1394 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:26:28,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-08 16:26:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 513. [2024-11-08 16:26:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 464 states have (on average 1.2629310344827587) internal successors, (586), 469 states have internal predecessors, (586), 38 states have call successors, (38), 10 states have call predecessors, (38), 10 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 16:26:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 662 transitions. [2024-11-08 16:26:28,575 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 662 transitions. Word has length 138 [2024-11-08 16:26:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:26:28,576 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 662 transitions. [2024-11-08 16:26:28,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:26:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 662 transitions. [2024-11-08 16:26:28,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:26:28,578 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:26:28,579 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:26:28,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2024-11-08 16:26:28,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:28,779 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:26:28,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:26:28,780 INFO L85 PathProgramCache]: Analyzing trace with hash -896108626, now seen corresponding path program 1 times [2024-11-08 16:26:28,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:26:28,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1168386330] [2024-11-08 16:26:28,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:26:28,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:26:28,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:26:28,785 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:26:28,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2024-11-08 16:26:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:26:29,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 16:26:29,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:26:32,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2024-11-08 16:26:32,652 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 48 [2024-11-08 16:26:32,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 16:26:48,359 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:26:48,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:26:55,780 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:26:55,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:26:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1168386330] [2024-11-08 16:26:55,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1168386330] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:26:55,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:26:55,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 25 [2024-11-08 16:26:55,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444876470] [2024-11-08 16:26:55,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:26:55,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:26:55,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:26:55,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:26:55,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:26:55,783 INFO L87 Difference]: Start difference. First operand 513 states and 662 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:00,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:00,687 INFO L93 Difference]: Finished difference Result 1177 states and 1506 transitions. [2024-11-08 16:27:00,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:27:00,689 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:27:00,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:00,694 INFO L225 Difference]: With dead ends: 1177 [2024-11-08 16:27:00,694 INFO L226 Difference]: Without dead ends: 667 [2024-11-08 16:27:00,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 26.8s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:27:00,700 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 465 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 465 SdHoareTripleChecker+Valid, 740 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:00,701 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [465 Valid, 740 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:27:00,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2024-11-08 16:27:00,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 533. [2024-11-08 16:27:00,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 482 states have (on average 1.2572614107883817) internal successors, (606), 487 states have internal predecessors, (606), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 33 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-08 16:27:00,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 682 transitions. [2024-11-08 16:27:00,745 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 682 transitions. Word has length 138 [2024-11-08 16:27:00,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:00,746 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 682 transitions. [2024-11-08 16:27:00,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 682 transitions. [2024-11-08 16:27:00,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:27:00,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:00,748 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:00,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2024-11-08 16:27:00,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:00,949 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:00,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:00,950 INFO L85 PathProgramCache]: Analyzing trace with hash -677253908, now seen corresponding path program 1 times [2024-11-08 16:27:00,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:00,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858301204] [2024-11-08 16:27:00,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:00,951 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:00,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:27:00,952 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:27:00,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2024-11-08 16:27:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:01,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 16:27:01,658 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:04,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 16:27:05,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 63 [2024-11-08 16:27:05,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 16:27:05,324 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:27:05,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:27:07,145 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:27:07,145 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:07,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858301204] [2024-11-08 16:27:07,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1858301204] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:27:07,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:27:07,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 30 [2024-11-08 16:27:07,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090810643] [2024-11-08 16:27:07,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:07,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:27:07,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:07,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:27:07,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=751, Unknown=0, NotChecked=0, Total=870 [2024-11-08 16:27:07,149 INFO L87 Difference]: Start difference. First operand 533 states and 682 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:12,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:12,080 INFO L93 Difference]: Finished difference Result 1353 states and 1718 transitions. [2024-11-08 16:27:12,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:27:12,082 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:27:12,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:12,089 INFO L225 Difference]: With dead ends: 1353 [2024-11-08 16:27:12,090 INFO L226 Difference]: Without dead ends: 823 [2024-11-08 16:27:12,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 380 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=204, Invalid=1202, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 16:27:12,093 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 205 mSDsluCounter, 1593 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 732 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:12,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 1795 Invalid, 732 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-11-08 16:27:12,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2024-11-08 16:27:12,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 459. [2024-11-08 16:27:12,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 412 states have (on average 1.2524271844660195) internal successors, (516), 415 states have internal predecessors, (516), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:27:12,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 584 transitions. [2024-11-08 16:27:12,155 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 584 transitions. Word has length 138 [2024-11-08 16:27:12,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:12,156 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 584 transitions. [2024-11-08 16:27:12,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:12,156 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 584 transitions. [2024-11-08 16:27:12,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:27:12,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:12,158 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:12,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2024-11-08 16:27:12,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:12,360 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:12,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:12,360 INFO L85 PathProgramCache]: Analyzing trace with hash -2057725590, now seen corresponding path program 1 times [2024-11-08 16:27:12,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:12,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [538979300] [2024-11-08 16:27:12,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:12,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:12,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:27:12,368 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:27:12,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2024-11-08 16:27:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:13,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 16:27:13,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:15,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 39 [2024-11-08 16:27:15,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 47 [2024-11-08 16:27:15,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 16:27:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:27:29,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:27:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:27:35,989 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:35,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [538979300] [2024-11-08 16:27:35,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [538979300] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:27:35,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:27:35,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 25 [2024-11-08 16:27:35,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107521566] [2024-11-08 16:27:35,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:35,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 16:27:35,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:35,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 16:27:35,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=503, Unknown=0, NotChecked=0, Total=600 [2024-11-08 16:27:35,992 INFO L87 Difference]: Start difference. First operand 459 states and 584 transitions. Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:27:41,171 INFO L93 Difference]: Finished difference Result 1149 states and 1457 transitions. [2024-11-08 16:27:41,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 16:27:41,174 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:27:41,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:27:41,178 INFO L225 Difference]: With dead ends: 1149 [2024-11-08 16:27:41,178 INFO L226 Difference]: Without dead ends: 693 [2024-11-08 16:27:41,180 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=129, Invalid=627, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:27:41,181 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 264 mSDsluCounter, 684 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 881 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:27:41,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 881 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:27:41,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-08 16:27:41,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 465. [2024-11-08 16:27:41,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 418 states have (on average 1.2488038277511961) internal successors, (522), 421 states have internal predecessors, (522), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:27:41,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 590 transitions. [2024-11-08 16:27:41,227 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 590 transitions. Word has length 138 [2024-11-08 16:27:41,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:27:41,227 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 590 transitions. [2024-11-08 16:27:41,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:27:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 590 transitions. [2024-11-08 16:27:41,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:27:41,230 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:27:41,230 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:27:41,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2024-11-08 16:27:41,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:41,431 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:27:41,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:27:41,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1036657236, now seen corresponding path program 1 times [2024-11-08 16:27:41,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:27:41,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1743290730] [2024-11-08 16:27:41,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:27:41,432 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:27:41,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:27:41,436 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:27:41,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2024-11-08 16:27:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:27:42,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-08 16:27:42,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:27:44,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-08 16:27:44,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 16:27:45,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 46 [2024-11-08 16:27:45,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-08 16:27:54,410 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:27:54,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:27:59,538 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:27:59,538 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:27:59,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1743290730] [2024-11-08 16:27:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1743290730] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:27:59,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:27:59,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [21] total 30 [2024-11-08 16:27:59,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937073966] [2024-11-08 16:27:59,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:27:59,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:27:59,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:27:59,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:27:59,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2024-11-08 16:27:59,541 INFO L87 Difference]: Start difference. First operand 465 states and 590 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:05,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:05,864 INFO L93 Difference]: Finished difference Result 1165 states and 1475 transitions. [2024-11-08 16:28:05,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:28:05,865 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:28:05,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:05,869 INFO L225 Difference]: With dead ends: 1165 [2024-11-08 16:28:05,869 INFO L226 Difference]: Without dead ends: 703 [2024-11-08 16:28:05,871 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 19.3s TimeCoverageRelationStatistics Valid=168, Invalid=1164, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 16:28:05,872 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 316 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 316 SdHoareTripleChecker+Valid, 1551 SdHoareTripleChecker+Invalid, 456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:05,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [316 Valid, 1551 Invalid, 456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:28:05,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 703 states. [2024-11-08 16:28:05,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 703 to 465. [2024-11-08 16:28:05,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 418 states have (on average 1.2488038277511961) internal successors, (522), 421 states have internal predecessors, (522), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:28:05,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 590 transitions. [2024-11-08 16:28:05,919 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 590 transitions. Word has length 138 [2024-11-08 16:28:05,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:05,920 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 590 transitions. [2024-11-08 16:28:05,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:05,920 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 590 transitions. [2024-11-08 16:28:05,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:05,922 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:05,922 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:05,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Ended with exit code 0 [2024-11-08 16:28:06,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:06,123 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:06,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:06,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1838870872, now seen corresponding path program 1 times [2024-11-08 16:28:06,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:06,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1519030286] [2024-11-08 16:28:06,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:06,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:06,127 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:06,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2024-11-08 16:28:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:06,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-11-08 16:28:06,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:09,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-08 16:28:10,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 59 [2024-11-08 16:28:10,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 54 [2024-11-08 16:28:10,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-08 16:28:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:28:10,331 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:28:12,126 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:12,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1519030286] [2024-11-08 16:28:12,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1519030286] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:12,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:28:12,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [19] total 30 [2024-11-08 16:28:12,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919456479] [2024-11-08 16:28:12,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:12,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:28:12,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:12,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:28:12,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=746, Unknown=0, NotChecked=0, Total=870 [2024-11-08 16:28:12,129 INFO L87 Difference]: Start difference. First operand 465 states and 590 transitions. Second operand has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:17,003 INFO L93 Difference]: Finished difference Result 1287 states and 1625 transitions. [2024-11-08 16:28:17,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 16:28:17,006 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:28:17,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:17,010 INFO L225 Difference]: With dead ends: 1287 [2024-11-08 16:28:17,011 INFO L226 Difference]: Without dead ends: 825 [2024-11-08 16:28:17,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 370 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=204, Invalid=1202, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 16:28:17,013 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 275 mSDsluCounter, 1685 mSDsCounter, 0 mSdLazyCounter, 660 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 275 SdHoareTripleChecker+Valid, 1919 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 660 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:17,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [275 Valid, 1919 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 660 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-08 16:28:17,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2024-11-08 16:28:17,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 465. [2024-11-08 16:28:17,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 418 states have (on average 1.2488038277511961) internal successors, (522), 421 states have internal predecessors, (522), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:28:17,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 590 transitions. [2024-11-08 16:28:17,063 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 590 transitions. Word has length 138 [2024-11-08 16:28:17,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:17,063 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 590 transitions. [2024-11-08 16:28:17,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.916666666666667) internal successors, (71), 12 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:17,064 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 590 transitions. [2024-11-08 16:28:17,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:17,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:17,066 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:17,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2024-11-08 16:28:17,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:17,267 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:17,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:17,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1882252199, now seen corresponding path program 1 times [2024-11-08 16:28:17,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:17,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330406051] [2024-11-08 16:28:17,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:17,269 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:17,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:17,273 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:17,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2024-11-08 16:28:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:18,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 16:28:18,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:20,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:28:20,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:28:20,540 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:28:20,540 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:21,075 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:28:21,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:21,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330406051] [2024-11-08 16:28:21,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330406051] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:21,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:28:21,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-08 16:28:21,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707419688] [2024-11-08 16:28:21,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:21,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:28:21,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:21,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:28:21,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:28:21,078 INFO L87 Difference]: Start difference. First operand 465 states and 590 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:21,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:21,593 INFO L93 Difference]: Finished difference Result 1144 states and 1451 transitions. [2024-11-08 16:28:21,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:21,595 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:28:21,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:21,599 INFO L225 Difference]: With dead ends: 1144 [2024-11-08 16:28:21,599 INFO L226 Difference]: Without dead ends: 682 [2024-11-08 16:28:21,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=47, Invalid=193, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:28:21,601 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 96 mSDsluCounter, 497 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 737 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:21,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 737 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:28:21,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2024-11-08 16:28:21,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 547. [2024-11-08 16:28:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 547 states, 500 states have (on average 1.256) internal successors, (628), 503 states have internal predecessors, (628), 34 states have call successors, (34), 12 states have call predecessors, (34), 12 states have return successors, (34), 31 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-08 16:28:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 696 transitions. [2024-11-08 16:28:21,650 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 696 transitions. Word has length 138 [2024-11-08 16:28:21,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:21,651 INFO L471 AbstractCegarLoop]: Abstraction has 547 states and 696 transitions. [2024-11-08 16:28:21,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:21,652 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 696 transitions. [2024-11-08 16:28:21,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:21,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:21,654 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:21,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2024-11-08 16:28:21,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:21,855 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:21,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash 602388521, now seen corresponding path program 1 times [2024-11-08 16:28:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:21,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478080609] [2024-11-08 16:28:21,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:21,858 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:21,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:21,861 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2024-11-08 16:28:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:22,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:28:22,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:24,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:28:24,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:28:25,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:28:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:28:25,362 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:27,062 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:28:27,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:27,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478080609] [2024-11-08 16:28:27,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [478080609] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:27,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:28:27,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [14] total 22 [2024-11-08 16:28:27,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605206178] [2024-11-08 16:28:27,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 16:28:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:27,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 16:28:27,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:28:27,066 INFO L87 Difference]: Start difference. First operand 547 states and 696 transitions. Second operand has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:30,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:30,135 INFO L93 Difference]: Finished difference Result 1251 states and 1585 transitions. [2024-11-08 16:28:30,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:28:30,137 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:28:30,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:30,140 INFO L225 Difference]: With dead ends: 1251 [2024-11-08 16:28:30,140 INFO L226 Difference]: Without dead ends: 707 [2024-11-08 16:28:30,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 252 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=103, Invalid=653, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:28:30,143 INFO L432 NwaCegarLoop]: 312 mSDtfsCounter, 320 mSDsluCounter, 2081 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 320 SdHoareTripleChecker+Valid, 2393 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:30,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [320 Valid, 2393 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 16:28:30,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-08 16:28:30,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 701. [2024-11-08 16:28:30,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 630 states have (on average 1.2476190476190476) internal successors, (786), 635 states have internal predecessors, (786), 50 states have call successors, (50), 20 states have call predecessors, (50), 20 states have return successors, (50), 45 states have call predecessors, (50), 50 states have call successors, (50) [2024-11-08 16:28:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 886 transitions. [2024-11-08 16:28:30,235 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 886 transitions. Word has length 138 [2024-11-08 16:28:30,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:30,236 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 886 transitions. [2024-11-08 16:28:30,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.454545454545454) internal successors, (71), 11 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 886 transitions. [2024-11-08 16:28:30,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:30,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:30,238 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:30,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Ended with exit code 0 [2024-11-08 16:28:30,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:30,443 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:30,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:30,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1372779109, now seen corresponding path program 1 times [2024-11-08 16:28:30,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:30,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907897934] [2024-11-08 16:28:30,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:30,444 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:30,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:30,446 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:30,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2024-11-08 16:28:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:31,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 16:28:31,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:33,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 90 [2024-11-08 16:28:33,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 42 [2024-11-08 16:28:33,995 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:28:33,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:28:34,726 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:34,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [907897934] [2024-11-08 16:28:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [907897934] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:34,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:28:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2024-11-08 16:28:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431971494] [2024-11-08 16:28:34,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:34,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:28:34,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:34,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:28:34,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:28:34,729 INFO L87 Difference]: Start difference. First operand 701 states and 886 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:35,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:35,425 INFO L93 Difference]: Finished difference Result 1405 states and 1773 transitions. [2024-11-08 16:28:35,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:28:35,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 138 [2024-11-08 16:28:35,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:35,432 INFO L225 Difference]: With dead ends: 1405 [2024-11-08 16:28:35,432 INFO L226 Difference]: Without dead ends: 707 [2024-11-08 16:28:35,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:28:35,435 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 98 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 867 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:35,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 867 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:28:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2024-11-08 16:28:35,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 562. [2024-11-08 16:28:35,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 562 states, 512 states have (on average 1.248046875) internal successors, (639), 515 states have internal predecessors, (639), 35 states have call successors, (35), 14 states have call predecessors, (35), 14 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:28:35,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 709 transitions. [2024-11-08 16:28:35,501 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 709 transitions. Word has length 138 [2024-11-08 16:28:35,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:35,504 INFO L471 AbstractCegarLoop]: Abstraction has 562 states and 709 transitions. [2024-11-08 16:28:35,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 6 states have internal predecessors, (71), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:28:35,505 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 709 transitions. [2024-11-08 16:28:35,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:35,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:35,507 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:35,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2024-11-08 16:28:35,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:35,708 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:35,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:35,708 INFO L85 PathProgramCache]: Analyzing trace with hash 92915431, now seen corresponding path program 1 times [2024-11-08 16:28:35,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:35,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472417035] [2024-11-08 16:28:35,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:35,709 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:35,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:35,711 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:35,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2024-11-08 16:28:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:36,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 16:28:36,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:38,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:28:38,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:28:38,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:28:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:28:38,851 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:39,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:39,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472417035] [2024-11-08 16:28:39,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472417035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:39,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366045537] [2024-11-08 16:28:39,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:39,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:28:39,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:28:39,478 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:28:39,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 16:28:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:40,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:28:40,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:42,219 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:28:42,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:28:42,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:28:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 24 proven. 180 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-08 16:28:42,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:28:43,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366045537] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:28:43,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:28:43,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 16 [2024-11-08 16:28:43,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129529696] [2024-11-08 16:28:43,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:28:43,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 16:28:43,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:43,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 16:28:43,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=442, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:28:43,127 INFO L87 Difference]: Start difference. First operand 562 states and 709 transitions. Second operand has 17 states, 16 states have (on average 4.875) internal successors, (78), 16 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 16:28:53,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:53,536 INFO L93 Difference]: Finished difference Result 1692 states and 2134 transitions. [2024-11-08 16:28:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-08 16:28:53,537 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 4.875) internal successors, (78), 16 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) Word has length 138 [2024-11-08 16:28:53,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:53,542 INFO L225 Difference]: With dead ends: 1692 [2024-11-08 16:28:53,542 INFO L226 Difference]: Without dead ends: 1133 [2024-11-08 16:28:53,544 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 320 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 290 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=246, Invalid=1560, Unknown=0, NotChecked=0, Total=1806 [2024-11-08 16:28:53,544 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 382 mSDsluCounter, 2533 mSDsCounter, 0 mSdLazyCounter, 1804 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 2758 SdHoareTripleChecker+Invalid, 1859 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 1804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:53,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 2758 Invalid, 1859 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 1804 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2024-11-08 16:28:53,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2024-11-08 16:28:53,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 808. [2024-11-08 16:28:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 731 states have (on average 1.2448700410396716) internal successors, (910), 736 states have internal predecessors, (910), 55 states have call successors, (55), 21 states have call predecessors, (55), 21 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 16:28:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1020 transitions. [2024-11-08 16:28:53,638 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1020 transitions. Word has length 138 [2024-11-08 16:28:53,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:53,639 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1020 transitions. [2024-11-08 16:28:53,639 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 4.875) internal successors, (78), 16 states have internal predecessors, (78), 3 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (15), 2 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-08 16:28:53,639 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1020 transitions. [2024-11-08 16:28:53,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 16:28:53,641 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:53,641 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:53,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-08 16:28:53,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2024-11-08 16:28:54,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:54,042 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:54,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:54,042 INFO L85 PathProgramCache]: Analyzing trace with hash -639051995, now seen corresponding path program 1 times [2024-11-08 16:28:54,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:54,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [715770544] [2024-11-08 16:28:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:54,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:54,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:54,044 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:54,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2024-11-08 16:28:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:54,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:28:54,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:28:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:28:54,655 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:28:54,655 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:28:54,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [715770544] [2024-11-08 16:28:54,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [715770544] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:28:54,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:28:54,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:28:54,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725904523] [2024-11-08 16:28:54,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:28:54,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:28:54,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:28:54,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:28:54,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:28:54,658 INFO L87 Difference]: Start difference. First operand 808 states and 1020 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:28:54,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:28:54,812 INFO L93 Difference]: Finished difference Result 1613 states and 2037 transitions. [2024-11-08 16:28:54,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:28:54,813 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 138 [2024-11-08 16:28:54,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:28:54,816 INFO L225 Difference]: With dead ends: 1613 [2024-11-08 16:28:54,816 INFO L226 Difference]: Without dead ends: 808 [2024-11-08 16:28:54,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:28:54,818 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:28:54,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 448 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:28:54,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2024-11-08 16:28:54,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 808. [2024-11-08 16:28:54,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 808 states, 731 states have (on average 1.2435020519835842) internal successors, (909), 736 states have internal predecessors, (909), 55 states have call successors, (55), 21 states have call predecessors, (55), 21 states have return successors, (55), 50 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-08 16:28:54,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 1019 transitions. [2024-11-08 16:28:54,911 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 1019 transitions. Word has length 138 [2024-11-08 16:28:54,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:28:54,912 INFO L471 AbstractCegarLoop]: Abstraction has 808 states and 1019 transitions. [2024-11-08 16:28:54,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:28:54,912 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 1019 transitions. [2024-11-08 16:28:54,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:28:54,914 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:28:54,914 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:28:54,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2024-11-08 16:28:55,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:55,115 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:28:55,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:28:55,115 INFO L85 PathProgramCache]: Analyzing trace with hash -868586943, now seen corresponding path program 1 times [2024-11-08 16:28:55,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:28:55,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025038456] [2024-11-08 16:28:55,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:28:55,116 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:28:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:28:55,117 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:28:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2024-11-08 16:28:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:28:55,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 16:28:55,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:00,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 32 [2024-11-08 16:29:00,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-08 16:29:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 4 proven. 224 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-08 16:29:00,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:29:01,651 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 16:29:01,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 63 [2024-11-08 16:29:02,948 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:02,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025038456] [2024-11-08 16:29:02,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025038456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:29:02,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828926465] [2024-11-08 16:29:02,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:02,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:02,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:29:02,950 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:29:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-08 16:29:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:03,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-11-08 16:29:03,592 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:07,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:29:08,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:29:08,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 47 [2024-11-08 16:29:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 28 proven. 192 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-08 16:29:09,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:29:10,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828926465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 16:29:10,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:29:10,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 35 [2024-11-08 16:29:10,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132260770] [2024-11-08 16:29:10,878 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:29:10,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-08 16:29:10,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:10,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-08 16:29:10,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=2258, Unknown=0, NotChecked=0, Total=2450 [2024-11-08 16:29:10,880 INFO L87 Difference]: Start difference. First operand 808 states and 1019 transitions. Second operand has 36 states, 33 states have (on average 4.666666666666667) internal successors, (154), 33 states have internal predecessors, (154), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 5 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-08 16:29:48,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:48,484 INFO L93 Difference]: Finished difference Result 4366 states and 5488 transitions. [2024-11-08 16:29:48,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-11-08 16:29:48,485 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 33 states have (on average 4.666666666666667) internal successors, (154), 33 states have internal predecessors, (154), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 5 states have call predecessors, (28), 8 states have call successors, (28) Word has length 140 [2024-11-08 16:29:48,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:48,493 INFO L225 Difference]: With dead ends: 4366 [2024-11-08 16:29:48,493 INFO L226 Difference]: Without dead ends: 3561 [2024-11-08 16:29:48,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 333 SyntacticMatches, 2 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4480 ImplicationChecksByTransitivity, 27.1s TimeCoverageRelationStatistics Valid=1554, Invalid=14702, Unknown=0, NotChecked=0, Total=16256 [2024-11-08 16:29:48,497 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 1636 mSDsluCounter, 5279 mSDsCounter, 0 mSdLazyCounter, 4370 mSolverCounterSat, 332 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1642 SdHoareTripleChecker+Valid, 5491 SdHoareTripleChecker+Invalid, 4702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 332 IncrementalHoareTripleChecker+Valid, 4370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:48,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1642 Valid, 5491 Invalid, 4702 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [332 Valid, 4370 Invalid, 0 Unknown, 0 Unchecked, 17.9s Time] [2024-11-08 16:29:48,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3561 states. [2024-11-08 16:29:48,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3561 to 1127. [2024-11-08 16:29:48,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 998 states have (on average 1.2364729458917836) internal successors, (1234), 1010 states have internal predecessors, (1234), 94 states have call successors, (94), 34 states have call predecessors, (94), 34 states have return successors, (94), 82 states have call predecessors, (94), 94 states have call successors, (94) [2024-11-08 16:29:48,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1422 transitions. [2024-11-08 16:29:48,672 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1422 transitions. Word has length 140 [2024-11-08 16:29:48,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:48,694 INFO L471 AbstractCegarLoop]: Abstraction has 1127 states and 1422 transitions. [2024-11-08 16:29:48,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 33 states have (on average 4.666666666666667) internal successors, (154), 33 states have internal predecessors, (154), 8 states have call successors, (28), 7 states have call predecessors, (28), 8 states have return successors, (28), 5 states have call predecessors, (28), 8 states have call successors, (28) [2024-11-08 16:29:48,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1422 transitions. [2024-11-08 16:29:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:29:48,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:48,696 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:48,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2024-11-08 16:29:48,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-08 16:29:49,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:29:49,097 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:49,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:49,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1740200515, now seen corresponding path program 1 times [2024-11-08 16:29:49,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:49,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015816966] [2024-11-08 16:29:49,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:49,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:49,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:29:49,099 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:29:49,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2024-11-08 16:29:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:49,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 16:29:49,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:49,766 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 187 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-11-08 16:29:49,766 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:29:49,766 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:49,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015816966] [2024-11-08 16:29:49,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015816966] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:29:49,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:29:49,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 16:29:49,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643366036] [2024-11-08 16:29:49,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:49,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:29:49,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:49,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:29:49,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:49,768 INFO L87 Difference]: Start difference. First operand 1127 states and 1422 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:29:50,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:50,138 INFO L93 Difference]: Finished difference Result 2245 states and 2832 transitions. [2024-11-08 16:29:50,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:29:50,139 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 140 [2024-11-08 16:29:50,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:50,144 INFO L225 Difference]: With dead ends: 2245 [2024-11-08 16:29:50,144 INFO L226 Difference]: Without dead ends: 1117 [2024-11-08 16:29:50,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 16:29:50,147 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:50,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 653 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 16:29:50,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1117 states. [2024-11-08 16:29:50,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1117 to 1112. [2024-11-08 16:29:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 990 states have (on average 1.2353535353535354) internal successors, (1223), 1000 states have internal predecessors, (1223), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (88), 78 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 16:29:50,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1399 transitions. [2024-11-08 16:29:50,299 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1399 transitions. Word has length 140 [2024-11-08 16:29:50,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:50,299 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1399 transitions. [2024-11-08 16:29:50,300 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-08 16:29:50,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1399 transitions. [2024-11-08 16:29:50,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:29:50,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:50,302 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:50,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2024-11-08 16:29:50,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:50,503 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:50,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:50,503 INFO L85 PathProgramCache]: Analyzing trace with hash 123440414, now seen corresponding path program 1 times [2024-11-08 16:29:50,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:50,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1852790620] [2024-11-08 16:29:50,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:50,505 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:50,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:29:50,508 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:29:50,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2024-11-08 16:29:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:51,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:29:51,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:53,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 61 [2024-11-08 16:29:53,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-08 16:29:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:29:53,994 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:29:54,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 57 [2024-11-08 16:29:54,633 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:29:54,633 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:54,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1852790620] [2024-11-08 16:29:54,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1852790620] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:29:54,633 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:29:54,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2024-11-08 16:29:54,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884963328] [2024-11-08 16:29:54,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:54,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:29:54,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:54,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:29:54,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:29:54,636 INFO L87 Difference]: Start difference. First operand 1112 states and 1399 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:29:55,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:29:55,193 INFO L93 Difference]: Finished difference Result 2223 states and 2796 transitions. [2024-11-08 16:29:55,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:29:55,194 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:29:55,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:29:55,198 INFO L225 Difference]: With dead ends: 2223 [2024-11-08 16:29:55,198 INFO L226 Difference]: Without dead ends: 1114 [2024-11-08 16:29:55,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:29:55,200 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 168 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:29:55,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 411 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:29:55,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2024-11-08 16:29:55,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 1112. [2024-11-08 16:29:55,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1112 states, 990 states have (on average 1.2292929292929293) internal successors, (1217), 1000 states have internal predecessors, (1217), 88 states have call successors, (88), 33 states have call predecessors, (88), 33 states have return successors, (88), 78 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-08 16:29:55,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1112 states to 1112 states and 1393 transitions. [2024-11-08 16:29:55,359 INFO L78 Accepts]: Start accepts. Automaton has 1112 states and 1393 transitions. Word has length 140 [2024-11-08 16:29:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:29:55,360 INFO L471 AbstractCegarLoop]: Abstraction has 1112 states and 1393 transitions. [2024-11-08 16:29:55,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:29:55,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1393 transitions. [2024-11-08 16:29:55,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:29:55,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:29:55,363 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:29:55,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2024-11-08 16:29:55,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:55,567 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:29:55,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:29:55,568 INFO L85 PathProgramCache]: Analyzing trace with hash 381605852, now seen corresponding path program 1 times [2024-11-08 16:29:55,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:29:55,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125300216] [2024-11-08 16:29:55,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:29:55,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:29:55,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:29:55,572 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:29:55,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-08 16:29:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:29:56,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 16:29:56,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:29:58,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:29:58,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:29:58,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:29:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:29:58,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:29:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:29:59,688 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:29:59,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125300216] [2024-11-08 16:29:59,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125300216] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:29:59,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:29:59,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [13] total 20 [2024-11-08 16:29:59,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840628099] [2024-11-08 16:29:59,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:29:59,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:29:59,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:29:59,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:29:59,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:29:59,690 INFO L87 Difference]: Start difference. First operand 1112 states and 1393 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:30:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:01,288 INFO L93 Difference]: Finished difference Result 2309 states and 2876 transitions. [2024-11-08 16:30:01,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:30:01,289 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:30:01,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:01,293 INFO L225 Difference]: With dead ends: 2309 [2024-11-08 16:30:01,294 INFO L226 Difference]: Without dead ends: 1200 [2024-11-08 16:30:01,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 258 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=93, Invalid=459, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:30:01,296 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 241 mSDsluCounter, 982 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:01,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [241 Valid, 1174 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:30:01,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2024-11-08 16:30:01,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 508. [2024-11-08 16:30:01,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 457 states have (on average 1.2275711159737417) internal successors, (561), 459 states have internal predecessors, (561), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:30:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 633 transitions. [2024-11-08 16:30:01,369 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 633 transitions. Word has length 140 [2024-11-08 16:30:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:01,369 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 633 transitions. [2024-11-08 16:30:01,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:30:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 633 transitions. [2024-11-08 16:30:01,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:30:01,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:01,372 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:01,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-08 16:30:01,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:01,573 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:01,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:01,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2119276060, now seen corresponding path program 1 times [2024-11-08 16:30:01,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:30:01,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1544068480] [2024-11-08 16:30:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:01,577 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:01,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:30:01,580 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:30:01,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2024-11-08 16:30:02,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:02,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:30:02,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:03,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:30:03,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:30:05,573 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:30:05,574 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:30:06,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-08 16:30:08,020 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:30:08,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:30:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:30:08,246 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:30:08,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1544068480] [2024-11-08 16:30:08,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1544068480] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:30:08,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:30:08,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2024-11-08 16:30:08,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410687648] [2024-11-08 16:30:08,247 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:30:08,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:30:08,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:30:08,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:30:08,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:30:08,249 INFO L87 Difference]: Start difference. First operand 508 states and 633 transitions. Second operand has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:30:13,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:13,847 INFO L93 Difference]: Finished difference Result 1253 states and 1563 transitions. [2024-11-08 16:30:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:30:13,850 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-08 16:30:13,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:13,854 INFO L225 Difference]: With dead ends: 1253 [2024-11-08 16:30:13,854 INFO L226 Difference]: Without dead ends: 748 [2024-11-08 16:30:13,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=180, Invalid=750, Unknown=0, NotChecked=0, Total=930 [2024-11-08 16:30:13,856 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 403 mSDsluCounter, 985 mSDsCounter, 0 mSdLazyCounter, 499 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 499 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:13,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 1124 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 499 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:30:13,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2024-11-08 16:30:13,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 538. [2024-11-08 16:30:13,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 538 states, 487 states have (on average 1.2381930184804928) internal successors, (603), 489 states have internal predecessors, (603), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:30:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 675 transitions. [2024-11-08 16:30:13,925 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 675 transitions. Word has length 140 [2024-11-08 16:30:13,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:13,926 INFO L471 AbstractCegarLoop]: Abstraction has 538 states and 675 transitions. [2024-11-08 16:30:13,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 5.75) internal successors, (92), 18 states have internal predecessors, (92), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:30:13,926 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 675 transitions. [2024-11-08 16:30:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:30:13,928 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:13,928 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:13,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Ended with exit code 0 [2024-11-08 16:30:14,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:14,129 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:14,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:14,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1358042786, now seen corresponding path program 1 times [2024-11-08 16:30:14,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:30:14,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1398459124] [2024-11-08 16:30:14,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:14,131 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:14,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:30:14,134 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:30:14,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2024-11-08 16:30:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:14,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-08 16:30:14,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:16,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 16:30:17,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 48 [2024-11-08 16:30:17,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 16:30:17,405 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:30:17,406 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:30:19,496 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:30:19,496 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:30:19,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1398459124] [2024-11-08 16:30:19,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1398459124] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:30:19,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:30:19,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 28 [2024-11-08 16:30:19,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603980752] [2024-11-08 16:30:19,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:30:19,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 16:30:19,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:30:19,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 16:30:19,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=631, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:30:19,498 INFO L87 Difference]: Start difference. First operand 538 states and 675 transitions. Second operand has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:30:25,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:30:25,132 INFO L93 Difference]: Finished difference Result 1368 states and 1701 transitions. [2024-11-08 16:30:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:30:25,133 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:30:25,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:30:25,136 INFO L225 Difference]: With dead ends: 1368 [2024-11-08 16:30:25,136 INFO L226 Difference]: Without dead ends: 833 [2024-11-08 16:30:25,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=248, Invalid=1084, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 16:30:25,139 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 290 mSDsluCounter, 1711 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 1911 SdHoareTripleChecker+Invalid, 799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:30:25,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 1911 Invalid, 799 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2024-11-08 16:30:25,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2024-11-08 16:30:25,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 553. [2024-11-08 16:30:25,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 502 states have (on average 1.2370517928286853) internal successors, (621), 504 states have internal predecessors, (621), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:30:25,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 693 transitions. [2024-11-08 16:30:25,219 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 693 transitions. Word has length 140 [2024-11-08 16:30:25,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:30:25,220 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 693 transitions. [2024-11-08 16:30:25,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.214285714285714) internal successors, (73), 14 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:30:25,221 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 693 transitions. [2024-11-08 16:30:25,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:30:25,223 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:30:25,223 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:30:25,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Ended with exit code 0 [2024-11-08 16:30:25,423 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:25,424 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:30:25,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:30:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash 2041677730, now seen corresponding path program 1 times [2024-11-08 16:30:25,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:30:25,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791250823] [2024-11-08 16:30:25,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:30:25,427 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:30:25,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:30:25,431 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:30:25,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2024-11-08 16:30:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:30:26,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:30:26,166 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:30:27,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 34 [2024-11-08 16:30:27,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-08 16:30:34,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-08 16:30:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:30:44,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:30:54,164 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-08 16:30:54,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 31 [2024-11-08 16:31:00,504 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:31:00,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:31:00,715 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:31:00,715 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:31:00,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791250823] [2024-11-08 16:31:00,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791250823] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:31:00,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:31:00,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-08 16:31:00,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849514855] [2024-11-08 16:31:00,716 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:31:00,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 16:31:00,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:31:00,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 16:31:00,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:31:00,718 INFO L87 Difference]: Start difference. First operand 553 states and 693 transitions. Second operand has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:32:10,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:10,878 INFO L93 Difference]: Finished difference Result 1294 states and 1605 transitions. [2024-11-08 16:32:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-08 16:32:10,879 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-08 16:32:10,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:10,884 INFO L225 Difference]: With dead ends: 1294 [2024-11-08 16:32:10,884 INFO L226 Difference]: Without dead ends: 744 [2024-11-08 16:32:10,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 304 GetRequests, 261 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 68.6s TimeCoverageRelationStatistics Valid=381, Invalid=1511, Unknown=0, NotChecked=0, Total=1892 [2024-11-08 16:32:10,887 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 508 mSDsluCounter, 1776 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:10,887 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 1954 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 34.5s Time] [2024-11-08 16:32:10,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-08 16:32:10,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 553. [2024-11-08 16:32:10,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 502 states have (on average 1.2310756972111554) internal successors, (618), 504 states have internal predecessors, (618), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:32:10,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 690 transitions. [2024-11-08 16:32:10,966 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 690 transitions. Word has length 140 [2024-11-08 16:32:10,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:10,967 INFO L471 AbstractCegarLoop]: Abstraction has 553 states and 690 transitions. [2024-11-08 16:32:10,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.75) internal successors, (95), 22 states have internal predecessors, (95), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:32:10,967 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 690 transitions. [2024-11-08 16:32:10,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:32:10,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:10,970 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:10,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-08 16:32:11,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:11,171 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:11,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:11,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1224029280, now seen corresponding path program 1 times [2024-11-08 16:32:11,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:32:11,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1695305007] [2024-11-08 16:32:11,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:11,172 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:11,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:32:11,173 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:32:11,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-08 16:32:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:11,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 16:32:11,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:32:13,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 15 [2024-11-08 16:32:14,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 62 [2024-11-08 16:32:14,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-08 16:32:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:32:14,528 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:32:15,836 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:32:15,836 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:32:15,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1695305007] [2024-11-08 16:32:15,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1695305007] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:32:15,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:32:15,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 24 [2024-11-08 16:32:15,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606126864] [2024-11-08 16:32:15,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:15,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:32:15,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:32:15,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:32:15,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:32:15,839 INFO L87 Difference]: Start difference. First operand 553 states and 690 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:32:18,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:18,825 INFO L93 Difference]: Finished difference Result 1194 states and 1480 transitions. [2024-11-08 16:32:18,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:32:18,827 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:32:18,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:18,831 INFO L225 Difference]: With dead ends: 1194 [2024-11-08 16:32:18,831 INFO L226 Difference]: Without dead ends: 644 [2024-11-08 16:32:18,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 256 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:32:18,833 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 284 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:18,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 1139 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 16:32:18,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-08 16:32:18,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 533. [2024-11-08 16:32:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 482 states have (on average 1.2282157676348548) internal successors, (592), 484 states have internal predecessors, (592), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:32:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 664 transitions. [2024-11-08 16:32:18,916 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 664 transitions. Word has length 140 [2024-11-08 16:32:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:18,916 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 664 transitions. [2024-11-08 16:32:18,917 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:32:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 664 transitions. [2024-11-08 16:32:18,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:32:18,919 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:18,919 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:18,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-08 16:32:19,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:19,121 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:19,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:19,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1586253602, now seen corresponding path program 1 times [2024-11-08 16:32:19,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:32:19,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [952965057] [2024-11-08 16:32:19,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:32:19,126 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:32:19,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2024-11-08 16:32:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:19,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:32:19,938 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:32:21,949 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2024-11-08 16:32:21,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 41 [2024-11-08 16:32:21,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 16:32:32,073 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:32:32,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:32:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:32:40,076 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:32:40,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [952965057] [2024-11-08 16:32:40,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [952965057] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:32:40,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:32:40,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-08 16:32:40,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852388688] [2024-11-08 16:32:40,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:32:40,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:32:40,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:32:40,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:32:40,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:32:40,079 INFO L87 Difference]: Start difference. First operand 533 states and 664 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:32:45,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:45,867 INFO L93 Difference]: Finished difference Result 1220 states and 1508 transitions. [2024-11-08 16:32:45,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:32:45,869 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:32:45,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:45,872 INFO L225 Difference]: With dead ends: 1220 [2024-11-08 16:32:45,872 INFO L226 Difference]: Without dead ends: 690 [2024-11-08 16:32:45,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 22.0s TimeCoverageRelationStatistics Valid=158, Invalid=544, Unknown=0, NotChecked=0, Total=702 [2024-11-08 16:32:45,873 INFO L432 NwaCegarLoop]: 252 mSDtfsCounter, 430 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 430 SdHoareTripleChecker+Valid, 1072 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:45,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [430 Valid, 1072 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:32:45,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2024-11-08 16:32:45,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 524. [2024-11-08 16:32:45,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 473 states have (on average 1.2262156448202959) internal successors, (580), 475 states have internal predecessors, (580), 36 states have call successors, (36), 14 states have call predecessors, (36), 14 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-08 16:32:45,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 652 transitions. [2024-11-08 16:32:45,944 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 652 transitions. Word has length 140 [2024-11-08 16:32:45,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:45,945 INFO L471 AbstractCegarLoop]: Abstraction has 524 states and 652 transitions. [2024-11-08 16:32:45,945 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:32:45,945 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 652 transitions. [2024-11-08 16:32:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:32:45,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:45,947 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:45,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Ended with exit code 0 [2024-11-08 16:32:46,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:46,148 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:46,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:46,148 INFO L85 PathProgramCache]: Analyzing trace with hash -902618658, now seen corresponding path program 1 times [2024-11-08 16:32:46,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:32:46,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333717215] [2024-11-08 16:32:46,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:46,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:32:46,150 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:32:46,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-08 16:32:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:32:46,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:32:46,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:32:47,777 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:32:47,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 16:32:47,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:32:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:32:48,087 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:32:48,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2024-11-08 16:32:48,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-08 16:32:53,480 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:32:53,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:32:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:32:53,651 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:32:53,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333717215] [2024-11-08 16:32:53,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [333717215] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:32:53,652 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:32:53,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-08 16:32:53,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137624603] [2024-11-08 16:32:53,652 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:32:53,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-08 16:32:53,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:32:53,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-08 16:32:53,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=375, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:32:53,654 INFO L87 Difference]: Start difference. First operand 524 states and 652 transitions. Second operand has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:32:59,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:32:59,135 INFO L93 Difference]: Finished difference Result 1343 states and 1647 transitions. [2024-11-08 16:32:59,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 16:32:59,136 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 140 [2024-11-08 16:32:59,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:32:59,138 INFO L225 Difference]: With dead ends: 1343 [2024-11-08 16:32:59,138 INFO L226 Difference]: Without dead ends: 822 [2024-11-08 16:32:59,139 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=291, Invalid=1191, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 16:32:59,140 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 790 mSDsluCounter, 1269 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 790 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:32:59,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [790 Valid, 1434 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-08 16:32:59,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2024-11-08 16:32:59,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 721. [2024-11-08 16:32:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 721 states, 658 states have (on average 1.202127659574468) internal successors, (791), 662 states have internal predecessors, (791), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:32:59,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 721 states to 721 states and 879 transitions. [2024-11-08 16:32:59,231 INFO L78 Accepts]: Start accepts. Automaton has 721 states and 879 transitions. Word has length 140 [2024-11-08 16:32:59,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:32:59,232 INFO L471 AbstractCegarLoop]: Abstraction has 721 states and 879 transitions. [2024-11-08 16:32:59,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 4.8) internal successors, (96), 22 states have internal predecessors, (96), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:32:59,232 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 879 transitions. [2024-11-08 16:32:59,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:32:59,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:32:59,235 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:32:59,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-08 16:32:59,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:59,435 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:32:59,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:32:59,436 INFO L85 PathProgramCache]: Analyzing trace with hash 118449696, now seen corresponding path program 1 times [2024-11-08 16:32:59,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:32:59,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [220269429] [2024-11-08 16:32:59,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:32:59,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:32:59,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:32:59,440 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:32:59,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-08 16:33:00,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:00,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 16:33:00,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:01,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-08 16:33:02,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 16:33:02,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2024-11-08 16:33:02,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-08 16:33:05,114 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 206 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-08 16:33:05,114 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:33:06,901 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:06,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [220269429] [2024-11-08 16:33:06,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [220269429] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:33:06,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:33:06,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [20] total 28 [2024-11-08 16:33:06,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066745553] [2024-11-08 16:33:06,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:06,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:33:06,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:06,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:33:06,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=666, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:33:06,903 INFO L87 Difference]: Start difference. First operand 721 states and 879 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:09,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:09,949 INFO L93 Difference]: Finished difference Result 1681 states and 2044 transitions. [2024-11-08 16:33:09,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 16:33:09,950 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:33:09,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:09,953 INFO L225 Difference]: With dead ends: 1681 [2024-11-08 16:33:09,953 INFO L226 Difference]: Without dead ends: 963 [2024-11-08 16:33:09,954 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 285 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 285 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=132, Invalid=990, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 16:33:09,955 INFO L432 NwaCegarLoop]: 231 mSDtfsCounter, 245 mSDsluCounter, 1279 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 1510 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:09,955 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 1510 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 16:33:09,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-08 16:33:10,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 724. [2024-11-08 16:33:10,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 661 states have (on average 1.2012102874432677) internal successors, (794), 665 states have internal predecessors, (794), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:33:10,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 882 transitions. [2024-11-08 16:33:10,029 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 882 transitions. Word has length 140 [2024-11-08 16:33:10,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:10,030 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 882 transitions. [2024-11-08 16:33:10,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:10,030 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 882 transitions. [2024-11-08 16:33:10,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:33:10,032 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:10,032 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:10,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-11-08 16:33:10,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:10,233 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:10,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:10,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1720267108, now seen corresponding path program 1 times [2024-11-08 16:33:10,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:10,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [151374511] [2024-11-08 16:33:10,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:10,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:10,235 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:33:10,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2024-11-08 16:33:10,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:10,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 16:33:10,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:12,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 43 [2024-11-08 16:33:12,528 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-08 16:33:12,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 34 [2024-11-08 16:33:21,889 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:33:21,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:29,923 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:33:29,924 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:29,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [151374511] [2024-11-08 16:33:29,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [151374511] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:33:29,924 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:33:29,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [15] total 23 [2024-11-08 16:33:29,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148806145] [2024-11-08 16:33:29,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:29,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:33:29,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:29,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:33:29,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:33:29,926 INFO L87 Difference]: Start difference. First operand 724 states and 882 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:36,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:36,587 INFO L93 Difference]: Finished difference Result 1670 states and 2025 transitions. [2024-11-08 16:33:36,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:33:36,588 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:33:36,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:36,593 INFO L225 Difference]: With dead ends: 1670 [2024-11-08 16:33:36,593 INFO L226 Difference]: Without dead ends: 949 [2024-11-08 16:33:36,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 21.2s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2024-11-08 16:33:36,596 INFO L432 NwaCegarLoop]: 236 mSDtfsCounter, 360 mSDsluCounter, 1131 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 1367 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:36,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 1367 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 16:33:36,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 949 states. [2024-11-08 16:33:36,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 949 to 724. [2024-11-08 16:33:36,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 724 states, 661 states have (on average 1.1966717095310135) internal successors, (791), 665 states have internal predecessors, (791), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:33:36,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 724 states and 879 transitions. [2024-11-08 16:33:36,690 INFO L78 Accepts]: Start accepts. Automaton has 724 states and 879 transitions. Word has length 140 [2024-11-08 16:33:36,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:36,690 INFO L471 AbstractCegarLoop]: Abstraction has 724 states and 879 transitions. [2024-11-08 16:33:36,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:36,690 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 879 transitions. [2024-11-08 16:33:36,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:33:36,692 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:36,692 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:36,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Ended with exit code 0 [2024-11-08 16:33:36,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:36,893 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:36,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:36,893 INFO L85 PathProgramCache]: Analyzing trace with hash -699198754, now seen corresponding path program 1 times [2024-11-08 16:33:36,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:36,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [107565093] [2024-11-08 16:33:36,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:36,894 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:36,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:36,898 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:33:36,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2024-11-08 16:33:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:37,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:33:37,700 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:38,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-11-08 16:33:39,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 16:33:39,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 37 [2024-11-08 16:33:39,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-08 16:33:42,982 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 203 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:33:42,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:45,502 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:33:45,502 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [107565093] [2024-11-08 16:33:45,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [107565093] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:33:45,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:33:45,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 23 [2024-11-08 16:33:45,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410442681] [2024-11-08 16:33:45,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:45,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:33:45,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:45,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:33:45,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:33:45,505 INFO L87 Difference]: Start difference. First operand 724 states and 879 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:49,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:49,075 INFO L93 Difference]: Finished difference Result 1753 states and 2117 transitions. [2024-11-08 16:33:49,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:33:49,076 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:33:49,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:49,079 INFO L225 Difference]: With dead ends: 1753 [2024-11-08 16:33:49,079 INFO L226 Difference]: Without dead ends: 1032 [2024-11-08 16:33:49,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=104, Invalid=652, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:33:49,081 INFO L432 NwaCegarLoop]: 266 mSDtfsCounter, 208 mSDsluCounter, 1478 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 1744 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:49,081 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 1744 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 16:33:49,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1032 states. [2024-11-08 16:33:49,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1032 to 701. [2024-11-08 16:33:49,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 701 states, 638 states have (on average 1.1990595611285266) internal successors, (765), 642 states have internal predecessors, (765), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:33:49,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 853 transitions. [2024-11-08 16:33:49,163 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 853 transitions. Word has length 140 [2024-11-08 16:33:49,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:49,164 INFO L471 AbstractCegarLoop]: Abstraction has 701 states and 853 transitions. [2024-11-08 16:33:49,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:49,164 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 853 transitions. [2024-11-08 16:33:49,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:33:49,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:49,167 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:49,177 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2024-11-08 16:33:49,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:49,370 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:49,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:49,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1559926300, now seen corresponding path program 1 times [2024-11-08 16:33:49,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:49,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [225864213] [2024-11-08 16:33:49,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:49,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:49,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:49,375 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:33:49,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2024-11-08 16:33:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:50,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 16:33:50,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:50,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:33:50,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:33:50,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-08 16:33:50,933 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:33:50,934 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:33:50,934 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:50,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [225864213] [2024-11-08 16:33:50,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [225864213] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:33:50,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:33:50,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 16:33:50,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442800591] [2024-11-08 16:33:50,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:50,935 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:33:50,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:50,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:33:50,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-08 16:33:50,936 INFO L87 Difference]: Start difference. First operand 701 states and 853 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:52,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:52,493 INFO L93 Difference]: Finished difference Result 1751 states and 2139 transitions. [2024-11-08 16:33:52,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:33:52,495 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:33:52,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:52,498 INFO L225 Difference]: With dead ends: 1751 [2024-11-08 16:33:52,498 INFO L226 Difference]: Without dead ends: 1053 [2024-11-08 16:33:52,500 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 16:33:52,500 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 94 mSDsluCounter, 1475 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 1720 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:52,501 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 1720 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:33:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1053 states. [2024-11-08 16:33:52,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1053 to 814. [2024-11-08 16:33:52,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 751 states have (on average 1.2023968042609854) internal successors, (903), 755 states have internal predecessors, (903), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:33:52,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 991 transitions. [2024-11-08 16:33:52,596 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 991 transitions. Word has length 140 [2024-11-08 16:33:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:52,596 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 991 transitions. [2024-11-08 16:33:52,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 9 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 991 transitions. [2024-11-08 16:33:52,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:33:52,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:52,600 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:52,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Ended with exit code 0 [2024-11-08 16:33:52,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:52,800 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:33:52,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:33:52,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1301760862, now seen corresponding path program 1 times [2024-11-08 16:33:52,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:33:52,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [628471401] [2024-11-08 16:33:52,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:33:52,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:33:52,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:33:52,804 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:33:52,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2024-11-08 16:33:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:33:53,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 16:33:53,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:33:58,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 49 [2024-11-08 16:33:58,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 37 [2024-11-08 16:33:58,382 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 212 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-08 16:33:58,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:33:59,078 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:33:59,078 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:33:59,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [628471401] [2024-11-08 16:33:59,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [628471401] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:33:59,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:33:59,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-08 16:33:59,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567989284] [2024-11-08 16:33:59,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:33:59,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:33:59,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:33:59,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:33:59,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:33:59,080 INFO L87 Difference]: Start difference. First operand 814 states and 991 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:33:59,697 INFO L93 Difference]: Finished difference Result 1844 states and 2249 transitions. [2024-11-08 16:33:59,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:33:59,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:33:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:33:59,704 INFO L225 Difference]: With dead ends: 1844 [2024-11-08 16:33:59,704 INFO L226 Difference]: Without dead ends: 1033 [2024-11-08 16:33:59,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:33:59,707 INFO L432 NwaCegarLoop]: 247 mSDtfsCounter, 87 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 745 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:33:59,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 745 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:33:59,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-08 16:33:59,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 814. [2024-11-08 16:33:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 751 states have (on average 1.197070572569907) internal successors, (899), 755 states have internal predecessors, (899), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:33:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 987 transitions. [2024-11-08 16:33:59,832 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 987 transitions. Word has length 140 [2024-11-08 16:33:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:33:59,832 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 987 transitions. [2024-11-08 16:33:59,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:33:59,833 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 987 transitions. [2024-11-08 16:33:59,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:33:59,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:33:59,835 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:33:59,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Ended with exit code 0 [2024-11-08 16:34:00,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:00,036 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:00,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:00,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1537294046, now seen corresponding path program 1 times [2024-11-08 16:34:00,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:00,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [264089585] [2024-11-08 16:34:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:00,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:00,039 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:00,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2024-11-08 16:34:00,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:00,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 16:34:00,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:03,770 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 66 [2024-11-08 16:34:03,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 126 treesize of output 66 [2024-11-08 16:34:03,969 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:34:03,970 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:04,553 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:04,553 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:04,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [264089585] [2024-11-08 16:34:04,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [264089585] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:04,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:04,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-08 16:34:04,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208514527] [2024-11-08 16:34:04,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:04,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:34:04,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:04,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:34:04,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-08 16:34:04,556 INFO L87 Difference]: Start difference. First operand 814 states and 987 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:05,117 INFO L93 Difference]: Finished difference Result 1844 states and 2241 transitions. [2024-11-08 16:34:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:34:05,119 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:34:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:05,124 INFO L225 Difference]: With dead ends: 1844 [2024-11-08 16:34:05,124 INFO L226 Difference]: Without dead ends: 1033 [2024-11-08 16:34:05,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-08 16:34:05,126 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 92 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:05,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 537 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:34:05,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2024-11-08 16:34:05,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 814. [2024-11-08 16:34:05,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 814 states, 751 states have (on average 1.1917443408788282) internal successors, (895), 755 states have internal predecessors, (895), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:34:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 814 states and 983 transitions. [2024-11-08 16:34:05,253 INFO L78 Accepts]: Start accepts. Automaton has 814 states and 983 transitions. Word has length 140 [2024-11-08 16:34:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:05,254 INFO L471 AbstractCegarLoop]: Abstraction has 814 states and 983 transitions. [2024-11-08 16:34:05,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:05,254 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 983 transitions. [2024-11-08 16:34:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:34:05,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:05,257 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:05,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:05,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:05,457 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:05,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:05,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1279128608, now seen corresponding path program 1 times [2024-11-08 16:34:05,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:05,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1188060334] [2024-11-08 16:34:05,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:05,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:05,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:05,460 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:05,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2024-11-08 16:34:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:06,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-08 16:34:06,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:08,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 16:34:08,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-08 16:34:08,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 49 [2024-11-08 16:34:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2024-11-08 16:34:09,148 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:10,394 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:10,395 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:10,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1188060334] [2024-11-08 16:34:10,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1188060334] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:10,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:10,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [14] total 23 [2024-11-08 16:34:10,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286614694] [2024-11-08 16:34:10,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:10,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:34:10,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:10,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:34:10,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=437, Unknown=0, NotChecked=0, Total=506 [2024-11-08 16:34:10,397 INFO L87 Difference]: Start difference. First operand 814 states and 983 transitions. Second operand has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:13,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:13,918 INFO L93 Difference]: Finished difference Result 1927 states and 2348 transitions. [2024-11-08 16:34:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 16:34:13,919 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 140 [2024-11-08 16:34:13,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:13,924 INFO L225 Difference]: With dead ends: 1927 [2024-11-08 16:34:13,925 INFO L226 Difference]: Without dead ends: 1116 [2024-11-08 16:34:13,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 255 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=165, Invalid=827, Unknown=0, NotChecked=0, Total=992 [2024-11-08 16:34:13,927 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 201 mSDsluCounter, 1799 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 2018 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:13,928 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 2018 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 16:34:13,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2024-11-08 16:34:14,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 782. [2024-11-08 16:34:14,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 719 states have (on average 1.1947148817802504) internal successors, (859), 723 states have internal predecessors, (859), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:34:14,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 947 transitions. [2024-11-08 16:34:14,074 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 947 transitions. Word has length 140 [2024-11-08 16:34:14,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:14,075 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 947 transitions. [2024-11-08 16:34:14,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.083333333333333) internal successors, (73), 12 states have internal predecessors, (73), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:14,075 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 947 transitions. [2024-11-08 16:34:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 16:34:14,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:14,078 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:14,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:14,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:14,279 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:14,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash 112418817, now seen corresponding path program 1 times [2024-11-08 16:34:14,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:14,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [4159222] [2024-11-08 16:34:14,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:14,282 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:14,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Waiting until timeout for monitored process [2024-11-08 16:34:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:15,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:34:15,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:15,049 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 16:34:15,049 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:34:15,050 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:15,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [4159222] [2024-11-08 16:34:15,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [4159222] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:34:15,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:34:15,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:34:15,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981163280] [2024-11-08 16:34:15,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:15,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:34:15,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:15,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:34:15,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:34:15,053 INFO L87 Difference]: Start difference. First operand 782 states and 947 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:34:15,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:15,250 INFO L93 Difference]: Finished difference Result 1561 states and 1891 transitions. [2024-11-08 16:34:15,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:34:15,250 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 140 [2024-11-08 16:34:15,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:15,254 INFO L225 Difference]: With dead ends: 1561 [2024-11-08 16:34:15,254 INFO L226 Difference]: Without dead ends: 782 [2024-11-08 16:34:15,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:34:15,258 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 0 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:15,259 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 442 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:34:15,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2024-11-08 16:34:15,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2024-11-08 16:34:15,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 719 states have (on average 1.1933240611961058) internal successors, (858), 723 states have internal predecessors, (858), 44 states have call successors, (44), 18 states have call predecessors, (44), 18 states have return successors, (44), 40 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 16:34:15,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 946 transitions. [2024-11-08 16:34:15,382 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 946 transitions. Word has length 140 [2024-11-08 16:34:15,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:15,383 INFO L471 AbstractCegarLoop]: Abstraction has 782 states and 946 transitions. [2024-11-08 16:34:15,383 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-08 16:34:15,383 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 946 transitions. [2024-11-08 16:34:15,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-08 16:34:15,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:15,386 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:15,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (49)] Ended with exit code 0 [2024-11-08 16:34:15,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:15,587 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:15,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:15,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1616413595, now seen corresponding path program 1 times [2024-11-08 16:34:15,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:15,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1711913573] [2024-11-08 16:34:15,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:15,589 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:15,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:15,593 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:15,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Waiting until timeout for monitored process [2024-11-08 16:34:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:16,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 401 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 16:34:16,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:16,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-11-08 16:34:17,048 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 160 proven. 36 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:17,049 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:17,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-08 16:34:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 27 proven. 12 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:34:17,370 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:17,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1711913573] [2024-11-08 16:34:17,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1711913573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:34:17,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:34:17,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 12 [2024-11-08 16:34:17,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967113898] [2024-11-08 16:34:17,371 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:34:17,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:34:17,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:17,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:34:17,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:34:17,373 INFO L87 Difference]: Start difference. First operand 782 states and 946 transitions. Second operand has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 12 states have internal predecessors, (119), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 16:34:19,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:19,269 INFO L93 Difference]: Finished difference Result 1428 states and 1725 transitions. [2024-11-08 16:34:19,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 16:34:19,270 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 12 states have internal predecessors, (119), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) Word has length 142 [2024-11-08 16:34:19,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:19,272 INFO L225 Difference]: With dead ends: 1428 [2024-11-08 16:34:19,272 INFO L226 Difference]: Without dead ends: 631 [2024-11-08 16:34:19,273 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:34:19,274 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 105 mSDsluCounter, 803 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 922 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:19,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 922 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-08 16:34:19,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-08 16:34:19,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-08 16:34:19,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 574 states have (on average 1.1916376306620209) internal successors, (684), 578 states have internal predecessors, (684), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 16:34:19,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 762 transitions. [2024-11-08 16:34:19,366 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 762 transitions. Word has length 142 [2024-11-08 16:34:19,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:19,367 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 762 transitions. [2024-11-08 16:34:19,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.818181818181818) internal successors, (119), 12 states have internal predecessors, (119), 4 states have call successors, (27), 3 states have call predecessors, (27), 4 states have return successors, (27), 3 states have call predecessors, (27), 4 states have call successors, (27) [2024-11-08 16:34:19,368 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 762 transitions. [2024-11-08 16:34:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:34:19,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:19,370 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:19,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (50)] Ended with exit code 0 [2024-11-08 16:34:19,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:19,571 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:19,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:19,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1889614267, now seen corresponding path program 1 times [2024-11-08 16:34:19,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:19,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1943354761] [2024-11-08 16:34:19,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:19,573 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:19,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:19,576 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:19,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Waiting until timeout for monitored process [2024-11-08 16:34:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:20,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 16:34:20,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:21,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:34:21,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2024-11-08 16:34:21,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 16:34:21,609 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:21,609 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:21,796 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1943354761] [2024-11-08 16:34:21,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1943354761] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:21,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:21,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2024-11-08 16:34:21,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961210320] [2024-11-08 16:34:21,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:21,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:34:21,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:21,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:34:21,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:34:21,799 INFO L87 Difference]: Start difference. First operand 631 states and 762 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:21,882 INFO L93 Difference]: Finished difference Result 1259 states and 1521 transitions. [2024-11-08 16:34:21,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:34:21,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-08 16:34:21,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:21,885 INFO L225 Difference]: With dead ends: 1259 [2024-11-08 16:34:21,885 INFO L226 Difference]: Without dead ends: 631 [2024-11-08 16:34:21,886 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 280 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-08 16:34:21,886 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:21,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 290 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:34:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-08 16:34:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 631. [2024-11-08 16:34:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 574 states have (on average 1.1846689895470384) internal successors, (680), 578 states have internal predecessors, (680), 39 states have call successors, (39), 17 states have call predecessors, (39), 17 states have return successors, (39), 35 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-08 16:34:22,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 758 transitions. [2024-11-08 16:34:22,009 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 758 transitions. Word has length 145 [2024-11-08 16:34:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:22,010 INFO L471 AbstractCegarLoop]: Abstraction has 631 states and 758 transitions. [2024-11-08 16:34:22,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 758 transitions. [2024-11-08 16:34:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:34:22,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:22,012 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:22,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (51)] Ended with exit code 0 [2024-11-08 16:34:22,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:22,213 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:22,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:22,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1188549689, now seen corresponding path program 1 times [2024-11-08 16:34:22,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:22,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1144026749] [2024-11-08 16:34:22,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:22,215 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:22,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:22,219 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:22,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Waiting until timeout for monitored process [2024-11-08 16:34:23,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:23,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:34:23,170 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:23,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 16:34:24,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:34:24,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2024-11-08 16:34:24,269 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:24,269 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:24,660 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:24,660 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:24,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1144026749] [2024-11-08 16:34:24,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1144026749] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:24,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:24,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2024-11-08 16:34:24,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767620878] [2024-11-08 16:34:24,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:24,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 16:34:24,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:24,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 16:34:24,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:34:24,662 INFO L87 Difference]: Start difference. First operand 631 states and 758 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:25,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:25,279 INFO L93 Difference]: Finished difference Result 677 states and 810 transitions. [2024-11-08 16:34:25,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 16:34:25,280 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-08 16:34:25,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:25,283 INFO L225 Difference]: With dead ends: 677 [2024-11-08 16:34:25,283 INFO L226 Difference]: Without dead ends: 675 [2024-11-08 16:34:25,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:34:25,284 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 66 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:25,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 686 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 16:34:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 675 states. [2024-11-08 16:34:25,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 675 to 490. [2024-11-08 16:34:25,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 438 states have (on average 1.2054794520547945) internal successors, (528), 441 states have internal predecessors, (528), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:34:25,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 598 transitions. [2024-11-08 16:34:25,379 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 598 transitions. Word has length 145 [2024-11-08 16:34:25,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:25,380 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 598 transitions. [2024-11-08 16:34:25,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 6 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:25,380 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 598 transitions. [2024-11-08 16:34:25,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:34:25,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:25,381 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:25,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (52)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:25,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:25,582 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:25,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:25,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1186702647, now seen corresponding path program 1 times [2024-11-08 16:34:25,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:25,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028229413] [2024-11-08 16:34:25,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:25,583 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:25,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:25,585 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:25,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Waiting until timeout for monitored process [2024-11-08 16:34:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:26,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 16:34:26,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:27,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 16:34:27,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-08 16:34:27,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 35 [2024-11-08 16:34:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-08 16:34:27,583 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:27,925 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:27,926 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:27,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2028229413] [2024-11-08 16:34:27,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2028229413] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:27,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:27,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 12 [2024-11-08 16:34:27,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872680352] [2024-11-08 16:34:27,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:27,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 16:34:27,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:27,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 16:34:27,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:34:27,928 INFO L87 Difference]: Start difference. First operand 490 states and 598 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:28,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:28,578 INFO L93 Difference]: Finished difference Result 954 states and 1165 transitions. [2024-11-08 16:34:28,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 16:34:28,579 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-08 16:34:28,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:28,582 INFO L225 Difference]: With dead ends: 954 [2024-11-08 16:34:28,582 INFO L226 Difference]: Without dead ends: 490 [2024-11-08 16:34:28,583 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-08 16:34:28,584 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 60 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:28,584 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 525 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:34:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-08 16:34:28,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 490. [2024-11-08 16:34:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 438 states have (on average 1.2009132420091324) internal successors, (526), 441 states have internal predecessors, (526), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:34:28,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 596 transitions. [2024-11-08 16:34:28,667 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 596 transitions. Word has length 145 [2024-11-08 16:34:28,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:28,668 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 596 transitions. [2024-11-08 16:34:28,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:28,668 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 596 transitions. [2024-11-08 16:34:28,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 16:34:28,670 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:28,670 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:28,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (53)] Forceful destruction successful, exit code 0 [2024-11-08 16:34:28,870 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:28,871 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:28,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:28,871 INFO L85 PathProgramCache]: Analyzing trace with hash 588304715, now seen corresponding path program 1 times [2024-11-08 16:34:28,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:28,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1769073666] [2024-11-08 16:34:28,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:28,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:28,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:28,873 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:28,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Waiting until timeout for monitored process [2024-11-08 16:34:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:29,813 INFO L255 TraceCheckSpWp]: Trace formula consists of 415 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 16:34:29,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:30,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-08 16:34:30,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2024-11-08 16:34:31,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 45 [2024-11-08 16:34:31,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2024-11-08 16:34:31,601 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:31,601 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:32,322 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:32,322 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:32,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1769073666] [2024-11-08 16:34:32,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1769073666] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:32,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:32,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 22 [2024-11-08 16:34:32,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101920841] [2024-11-08 16:34:32,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:32,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 16:34:32,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:32,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 16:34:32,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=404, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:34:32,324 INFO L87 Difference]: Start difference. First operand 490 states and 596 transitions. Second operand has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:34,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:34,009 INFO L93 Difference]: Finished difference Result 1151 states and 1382 transitions. [2024-11-08 16:34:34,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 16:34:34,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 145 [2024-11-08 16:34:34,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:34,012 INFO L225 Difference]: With dead ends: 1151 [2024-11-08 16:34:34,012 INFO L226 Difference]: Without dead ends: 687 [2024-11-08 16:34:34,013 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2024-11-08 16:34:34,014 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 63 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1351 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:34,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1351 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 16:34:34,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2024-11-08 16:34:34,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 593. [2024-11-08 16:34:34,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 541 states have (on average 1.1756007393715342) internal successors, (636), 544 states have internal predecessors, (636), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:34:34,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 706 transitions. [2024-11-08 16:34:34,083 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 706 transitions. Word has length 145 [2024-11-08 16:34:34,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:34,083 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 706 transitions. [2024-11-08 16:34:34,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.8) internal successors, (78), 10 states have internal predecessors, (78), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 706 transitions. [2024-11-08 16:34:34,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:34:34,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:34,086 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:34,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (54)] Ended with exit code 0 [2024-11-08 16:34:34,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:34,287 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:34,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:34,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1066285289, now seen corresponding path program 1 times [2024-11-08 16:34:34,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:34,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800945248] [2024-11-08 16:34:34,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:34,289 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:34,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:34,293 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:34,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Waiting until timeout for monitored process [2024-11-08 16:34:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:35,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 16:34:35,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:36,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2024-11-08 16:34:36,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-11-08 16:34:39,083 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:39,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:41,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 16:34:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:41,539 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:41,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800945248] [2024-11-08 16:34:41,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800945248] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:41,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:41,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2024-11-08 16:34:41,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834655802] [2024-11-08 16:34:41,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:41,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 16:34:41,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:41,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 16:34:41,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:34:41,541 INFO L87 Difference]: Start difference. First operand 593 states and 706 transitions. Second operand has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:44,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:44,324 INFO L93 Difference]: Finished difference Result 1325 states and 1565 transitions. [2024-11-08 16:34:44,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 16:34:44,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 147 [2024-11-08 16:34:44,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:44,329 INFO L225 Difference]: With dead ends: 1325 [2024-11-08 16:34:44,329 INFO L226 Difference]: Without dead ends: 758 [2024-11-08 16:34:44,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=91, Invalid=461, Unknown=0, NotChecked=0, Total=552 [2024-11-08 16:34:44,331 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 116 mSDsluCounter, 778 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:44,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 947 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 16:34:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2024-11-08 16:34:44,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 674. [2024-11-08 16:34:44,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 622 states have (on average 1.1559485530546625) internal successors, (719), 625 states have internal predecessors, (719), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:34:44,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 789 transitions. [2024-11-08 16:34:44,437 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 789 transitions. Word has length 147 [2024-11-08 16:34:44,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:44,438 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 789 transitions. [2024-11-08 16:34:44,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:44,438 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 789 transitions. [2024-11-08 16:34:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:34:44,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:44,440 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:44,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (55)] Ended with exit code 0 [2024-11-08 16:34:44,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:44,641 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:44,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:44,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1653091303, now seen corresponding path program 1 times [2024-11-08 16:34:44,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:44,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976561155] [2024-11-08 16:34:44,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:44,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:44,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:44,647 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:44,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Waiting until timeout for monitored process [2024-11-08 16:34:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:45,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 420 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:34:45,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:46,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2024-11-08 16:34:46,757 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2024-11-08 16:34:49,075 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 10 proven. 162 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-08 16:34:49,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:50,740 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:34:50,740 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:34:50,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976561155] [2024-11-08 16:34:50,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976561155] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:34:50,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:34:50,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-08 16:34:50,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995708167] [2024-11-08 16:34:50,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:34:50,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:34:50,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:34:50,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:34:50,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:34:50,743 INFO L87 Difference]: Start difference. First operand 674 states and 789 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:52,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:34:52,511 INFO L93 Difference]: Finished difference Result 1560 states and 1815 transitions. [2024-11-08 16:34:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:34:52,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 147 [2024-11-08 16:34:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:34:52,517 INFO L225 Difference]: With dead ends: 1560 [2024-11-08 16:34:52,517 INFO L226 Difference]: Without dead ends: 912 [2024-11-08 16:34:52,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2024-11-08 16:34:52,519 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 192 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 671 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:34:52,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 671 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:34:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2024-11-08 16:34:52,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 674. [2024-11-08 16:34:52,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 674 states, 622 states have (on average 1.152733118971061) internal successors, (717), 625 states have internal predecessors, (717), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:34:52,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 787 transitions. [2024-11-08 16:34:52,619 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 787 transitions. Word has length 147 [2024-11-08 16:34:52,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:34:52,620 INFO L471 AbstractCegarLoop]: Abstraction has 674 states and 787 transitions. [2024-11-08 16:34:52,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:34:52,620 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 787 transitions. [2024-11-08 16:34:52,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:34:52,626 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:34:52,626 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:34:52,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (56)] Ended with exit code 0 [2024-11-08 16:34:52,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:52,827 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:34:52,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:34:52,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1372065963, now seen corresponding path program 1 times [2024-11-08 16:34:52,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:34:52,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330241777] [2024-11-08 16:34:52,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:34:52,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:34:52,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:34:52,836 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:34:52,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Waiting until timeout for monitored process [2024-11-08 16:34:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:34:53,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 16:34:53,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:34:54,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:34:54,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 14 [2024-11-08 16:34:57,060 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:34:57,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:34:58,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 16:35:00,023 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-08 16:35:00,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 19 [2024-11-08 16:35:00,241 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-08 16:35:00,242 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:35:00,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330241777] [2024-11-08 16:35:00,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330241777] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 16:35:00,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 16:35:00,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2024-11-08 16:35:00,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736983312] [2024-11-08 16:35:00,243 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 16:35:00,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 16:35:00,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:35:00,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 16:35:00,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2024-11-08 16:35:00,244 INFO L87 Difference]: Start difference. First operand 674 states and 787 transitions. Second operand has 18 states, 16 states have (on average 6.1875) internal successors, (99), 18 states have internal predecessors, (99), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:35:16,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:16,897 INFO L93 Difference]: Finished difference Result 1404 states and 1642 transitions. [2024-11-08 16:35:16,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 16:35:16,898 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 6.1875) internal successors, (99), 18 states have internal predecessors, (99), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 147 [2024-11-08 16:35:16,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:16,900 INFO L225 Difference]: With dead ends: 1404 [2024-11-08 16:35:16,900 INFO L226 Difference]: Without dead ends: 756 [2024-11-08 16:35:16,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 277 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=181, Invalid=749, Unknown=0, NotChecked=0, Total=930 [2024-11-08 16:35:16,901 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 350 mSDsluCounter, 945 mSDsCounter, 0 mSdLazyCounter, 480 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 480 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:16,901 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 1064 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 480 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2024-11-08 16:35:16,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2024-11-08 16:35:16,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 684. [2024-11-08 16:35:16,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 684 states, 632 states have (on average 1.1598101265822784) internal successors, (733), 635 states have internal predecessors, (733), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:35:16,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 684 states to 684 states and 803 transitions. [2024-11-08 16:35:16,978 INFO L78 Accepts]: Start accepts. Automaton has 684 states and 803 transitions. Word has length 147 [2024-11-08 16:35:16,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:16,978 INFO L471 AbstractCegarLoop]: Abstraction has 684 states and 803 transitions. [2024-11-08 16:35:16,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 6.1875) internal successors, (99), 18 states have internal predecessors, (99), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-08 16:35:16,978 INFO L276 IsEmpty]: Start isEmpty. Operand 684 states and 803 transitions. [2024-11-08 16:35:16,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:35:16,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:16,988 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:16,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (57)] Forceful destruction successful, exit code 0 [2024-11-08 16:35:17,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:17,189 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:35:17,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:17,189 INFO L85 PathProgramCache]: Analyzing trace with hash -671001385, now seen corresponding path program 1 times [2024-11-08 16:35:17,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:17,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [253543833] [2024-11-08 16:35:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:17,190 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:35:17,192 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:35:17,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Waiting until timeout for monitored process [2024-11-08 16:35:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:18,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 16:35:18,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:19,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-08 16:35:19,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 16:35:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-08 16:35:21,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 16:35:23,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 16:35:23,720 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 16:35:23,720 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:35:23,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [253543833] [2024-11-08 16:35:23,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [253543833] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 16:35:23,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 16:35:23,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [12] total 17 [2024-11-08 16:35:23,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347369052] [2024-11-08 16:35:23,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:35:23,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 16:35:23,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:35:23,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 16:35:23,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-08 16:35:23,722 INFO L87 Difference]: Start difference. First operand 684 states and 803 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:35:26,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:35:26,010 INFO L93 Difference]: Finished difference Result 1504 states and 1756 transitions. [2024-11-08 16:35:26,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 16:35:26,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 147 [2024-11-08 16:35:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:35:26,014 INFO L225 Difference]: With dead ends: 1504 [2024-11-08 16:35:26,014 INFO L226 Difference]: Without dead ends: 846 [2024-11-08 16:35:26,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=60, Invalid=320, Unknown=0, NotChecked=0, Total=380 [2024-11-08 16:35:26,015 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 59 mSDsluCounter, 654 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 809 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:35:26,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 809 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 16:35:26,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-08 16:35:26,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 756. [2024-11-08 16:35:26,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 756 states, 704 states have (on average 1.1463068181818181) internal successors, (807), 707 states have internal predecessors, (807), 35 states have call successors, (35), 16 states have call predecessors, (35), 16 states have return successors, (35), 32 states have call predecessors, (35), 35 states have call successors, (35) [2024-11-08 16:35:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 877 transitions. [2024-11-08 16:35:26,130 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 877 transitions. Word has length 147 [2024-11-08 16:35:26,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:35:26,130 INFO L471 AbstractCegarLoop]: Abstraction has 756 states and 877 transitions. [2024-11-08 16:35:26,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 7 states have internal predecessors, (80), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-08 16:35:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 877 transitions. [2024-11-08 16:35:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 16:35:26,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:35:26,131 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 16:35:26,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (58)] Forceful destruction successful, exit code 0 [2024-11-08 16:35:26,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:26,332 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:35:26,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:35:26,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1643037655, now seen corresponding path program 1 times [2024-11-08 16:35:26,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:35:26,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [823702088] [2024-11-08 16:35:26,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:35:26,334 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:35:26,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:35:26,335 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:35:26,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bab08401-ec87-4b08-bc46-c4e8ca5a35a9/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (59)] Waiting until timeout for monitored process [2024-11-08 16:35:27,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:35:27,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:35:27,215 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:35:28,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 16:35:28,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-08 16:35:31,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12