./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 214c49e8f3d3735ec742b7b163a0487f19e3afbd4fa1866f6927a51886e4b103 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:51:58,994 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:51:59,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:51:59,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:51:59,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:51:59,105 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:51:59,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:51:59,106 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:51:59,110 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:51:59,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:51:59,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:51:59,111 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:51:59,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:51:59,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:51:59,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:51:59,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:51:59,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:51:59,113 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:51:59,116 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:51:59,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:51:59,120 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:51:59,120 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:51:59,121 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:51:59,121 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:51:59,121 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:51:59,122 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:51:59,122 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:51:59,122 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:51:59,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:51:59,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:51:59,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:51:59,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:51:59,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:51:59,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:51:59,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:51:59,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:51:59,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:51:59,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:51:59,126 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:51:59,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:51:59,127 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:51:59,127 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:51:59,127 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 214c49e8f3d3735ec742b7b163a0487f19e3afbd4fa1866f6927a51886e4b103 [2024-11-08 17:51:59,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:51:59,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:51:59,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:51:59,462 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:51:59,463 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:51:59,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i Unable to find full path for "g++" [2024-11-08 17:52:01,584 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:52:01,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:52:01,791 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i [2024-11-08 17:52:01,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/f14a1f877/18f4997209734abca6c06c6332632f88/FLAG480d7e5a1 [2024-11-08 17:52:01,816 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/f14a1f877/18f4997209734abca6c06c6332632f88 [2024-11-08 17:52:01,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:52:01,821 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:52:01,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:52:01,823 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:52:01,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:52:01,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:52:01" (1/1) ... [2024-11-08 17:52:01,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d1c44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:01, skipping insertion in model container [2024-11-08 17:52:01,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:52:01" (1/1) ... [2024-11-08 17:52:01,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:52:02,068 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i[916,929] [2024-11-08 17:52:02,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:52:02,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:52:02,156 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i[916,929] [2024-11-08 17:52:02,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:52:02,235 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:52:02,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02 WrapperNode [2024-11-08 17:52:02,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:52:02,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:52:02,237 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:52:02,237 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:52:02,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,304 INFO L138 Inliner]: procedures = 29, calls = 199, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 631 [2024-11-08 17:52:02,305 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:52:02,306 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:52:02,306 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:52:02,306 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:52:02,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,325 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,356 INFO L175 MemorySlicer]: Split 160 memory accesses to 13 slices as follows [2, 7, 30, 10, 22, 28, 9, 12, 12, 8, 7, 7, 6]. 19 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1]. [2024-11-08 17:52:02,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,385 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,399 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,408 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,424 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:52:02,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:52:02,429 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:52:02,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:52:02,435 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (1/1) ... [2024-11-08 17:52:02,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:52:02,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:52:02,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:52:02,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:52:02,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:52:02,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 17:52:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 17:52:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 17:52:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 17:52:02,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 17:52:02,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 17:52:02,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 17:52:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 17:52:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 17:52:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 17:52:02,517 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 17:52:02,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 17:52:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 17:52:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 17:52:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 17:52:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 17:52:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 17:52:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 17:52:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 17:52:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 17:52:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 17:52:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 17:52:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 17:52:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 17:52:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 17:52:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 17:52:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 17:52:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 17:52:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 17:52:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 17:52:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 17:52:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 17:52:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 17:52:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 17:52:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 17:52:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 17:52:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 17:52:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 17:52:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 17:52:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 17:52:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 17:52:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 17:52:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 17:52:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 17:52:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 17:52:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 17:52:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 17:52:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:52:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:52:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:52:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 17:52:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 17:52:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 17:52:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 17:52:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 17:52:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 17:52:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 17:52:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 17:52:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 17:52:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 17:52:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 17:52:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 17:52:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:52:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:52:02,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:52:02,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:52:03,539 INFO L? ?]: Removed 188 outVars from TransFormulas that were not future-live. [2024-11-08 17:52:03,540 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:52:03,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:52:03,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:52:03,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:52:03 BoogieIcfgContainer [2024-11-08 17:52:03,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:52:03,561 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:52:03,561 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:52:03,567 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:52:03,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:52:01" (1/3) ... [2024-11-08 17:52:03,569 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f645fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:52:03, skipping insertion in model container [2024-11-08 17:52:03,569 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:02" (2/3) ... [2024-11-08 17:52:03,570 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f645fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:52:03, skipping insertion in model container [2024-11-08 17:52:03,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:52:03" (3/3) ... [2024-11-08 17:52:03,573 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-39.i [2024-11-08 17:52:03,594 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:52:03,594 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:52:03,683 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:52:03,688 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;@6b3257bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:52:03,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:52:03,692 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 101 states have (on average 1.4356435643564356) internal successors, (145), 102 states have internal predecessors, (145), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:03,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:03,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:03,705 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:03,705 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:03,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:03,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1413033402, now seen corresponding path program 1 times [2024-11-08 17:52:03,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:03,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128316873] [2024-11-08 17:52:03,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:03,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:04,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:04,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:04,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:04,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:04,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:04,359 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:04,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:04,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128316873] [2024-11-08 17:52:04,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128316873] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:04,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:04,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:52:04,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717155361] [2024-11-08 17:52:04,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:04,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:52:04,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:04,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:52:04,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:52:04,415 INFO L87 Difference]: Start difference. First operand has 120 states, 101 states have (on average 1.4356435643564356) internal successors, (145), 102 states have internal predecessors, (145), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:04,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:04,467 INFO L93 Difference]: Finished difference Result 233 states and 364 transitions. [2024-11-08 17:52:04,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:52:04,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2024-11-08 17:52:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:04,479 INFO L225 Difference]: With dead ends: 233 [2024-11-08 17:52:04,480 INFO L226 Difference]: Without dead ends: 116 [2024-11-08 17:52:04,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 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 17:52:04,487 INFO L432 NwaCegarLoop]: 170 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, 170 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 17:52:04,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:52:04,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-08 17:52:04,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-08 17:52:04,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 98 states have (on average 1.4081632653061225) internal successors, (138), 98 states have internal predecessors, (138), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:04,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 170 transitions. [2024-11-08 17:52:04,582 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 170 transitions. Word has length 128 [2024-11-08 17:52:04,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:04,584 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 170 transitions. [2024-11-08 17:52:04,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.5) internal successors, (51), 2 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:04,592 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 170 transitions. [2024-11-08 17:52:04,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:04,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:04,603 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:04,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:52:04,603 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:04,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:04,604 INFO L85 PathProgramCache]: Analyzing trace with hash -1155552118, now seen corresponding path program 1 times [2024-11-08 17:52:04,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:04,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790399669] [2024-11-08 17:52:04,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:04,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:05,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:05,215 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:05,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:05,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790399669] [2024-11-08 17:52:05,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790399669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:05,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:05,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:52:05,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993820902] [2024-11-08 17:52:05,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:05,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:52:05,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:05,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:52:05,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:52:05,225 INFO L87 Difference]: Start difference. First operand 116 states and 170 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:05,289 INFO L93 Difference]: Finished difference Result 231 states and 340 transitions. [2024-11-08 17:52:05,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:52:05,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 128 [2024-11-08 17:52:05,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:05,291 INFO L225 Difference]: With dead ends: 231 [2024-11-08 17:52:05,291 INFO L226 Difference]: Without dead ends: 118 [2024-11-08 17:52:05,292 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 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 17:52:05,294 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 0 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:05,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 493 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:52:05,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-08 17:52:05,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-11-08 17:52:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 100 states have (on average 1.4) internal successors, (140), 100 states have internal predecessors, (140), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:05,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-11-08 17:52:05,312 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 128 [2024-11-08 17:52:05,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:05,313 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-11-08 17:52:05,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:05,314 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-11-08 17:52:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:05,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:05,317 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:05,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:52:05,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:05,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:05,318 INFO L85 PathProgramCache]: Analyzing trace with hash -423584692, now seen corresponding path program 1 times [2024-11-08 17:52:05,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:05,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488549776] [2024-11-08 17:52:05,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:05,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:08,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:08,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:08,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:08,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:08,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:08,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:08,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488549776] [2024-11-08 17:52:08,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488549776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:08,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:08,669 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 17:52:08,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23271785] [2024-11-08 17:52:08,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:08,670 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 17:52:08,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:08,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 17:52:08,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:52:08,671 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:10,215 INFO L93 Difference]: Finished difference Result 332 states and 485 transitions. [2024-11-08 17:52:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:52:10,216 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2024-11-08 17:52:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:10,218 INFO L225 Difference]: With dead ends: 332 [2024-11-08 17:52:10,218 INFO L226 Difference]: Without dead ends: 217 [2024-11-08 17:52:10,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:52:10,221 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 139 mSDsluCounter, 1324 mSDsCounter, 0 mSdLazyCounter, 830 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 1448 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 830 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:10,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 1448 Invalid, 830 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 830 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 17:52:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-08 17:52:10,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 128. [2024-11-08 17:52:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 110 states have (on average 1.4) internal successors, (154), 110 states have internal predecessors, (154), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:10,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 186 transitions. [2024-11-08 17:52:10,235 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 186 transitions. Word has length 128 [2024-11-08 17:52:10,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:10,236 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 186 transitions. [2024-11-08 17:52:10,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.923076923076923) internal successors, (51), 13 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:10,236 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 186 transitions. [2024-11-08 17:52:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:10,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:10,239 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:10,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:52:10,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:10,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash 256473678, now seen corresponding path program 1 times [2024-11-08 17:52:10,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:10,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452957999] [2024-11-08 17:52:10,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:10,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:10,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,542 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:10,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:10,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:10,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452957999] [2024-11-08 17:52:10,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452957999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:10,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:10,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:10,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498507703] [2024-11-08 17:52:10,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:10,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:10,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:10,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:10,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:10,578 INFO L87 Difference]: Start difference. First operand 128 states and 186 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:10,849 INFO L93 Difference]: Finished difference Result 323 states and 470 transitions. [2024-11-08 17:52:10,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:10,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2024-11-08 17:52:10,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:10,852 INFO L225 Difference]: With dead ends: 323 [2024-11-08 17:52:10,852 INFO L226 Difference]: Without dead ends: 198 [2024-11-08 17:52:10,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:10,854 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 98 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 594 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:10,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 594 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:52:10,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-08 17:52:10,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 195. [2024-11-08 17:52:10,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 172 states have (on average 1.4127906976744187) internal successors, (243), 173 states have internal predecessors, (243), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:52:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 283 transitions. [2024-11-08 17:52:10,871 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 283 transitions. Word has length 128 [2024-11-08 17:52:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:10,872 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 283 transitions. [2024-11-08 17:52:10,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:10,872 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 283 transitions. [2024-11-08 17:52:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:10,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:10,875 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:10,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:52:10,875 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:10,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:10,875 INFO L85 PathProgramCache]: Analyzing trace with hash -2011932594, now seen corresponding path program 1 times [2024-11-08 17:52:10,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:10,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022033238] [2024-11-08 17:52:10,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:10,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:11,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:11,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:11,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:11,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:11,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:11,224 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:11,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:11,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022033238] [2024-11-08 17:52:11,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022033238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:11,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:11,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501766397] [2024-11-08 17:52:11,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:11,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:11,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:11,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:11,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:11,230 INFO L87 Difference]: Start difference. First operand 195 states and 283 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:11,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:11,467 INFO L93 Difference]: Finished difference Result 394 states and 568 transitions. [2024-11-08 17:52:11,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:11,468 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2024-11-08 17:52:11,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:11,472 INFO L225 Difference]: With dead ends: 394 [2024-11-08 17:52:11,472 INFO L226 Difference]: Without dead ends: 202 [2024-11-08 17:52:11,473 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:11,475 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 96 mSDsluCounter, 493 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 693 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:11,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 693 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:52:11,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-08 17:52:11,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 154. [2024-11-08 17:52:11,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.4) internal successors, (189), 135 states have internal predecessors, (189), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 221 transitions. [2024-11-08 17:52:11,503 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 221 transitions. Word has length 128 [2024-11-08 17:52:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:11,504 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 221 transitions. [2024-11-08 17:52:11,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 221 transitions. [2024-11-08 17:52:11,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:52:11,509 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:11,509 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:11,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:52:11,510 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:11,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1331874224, now seen corresponding path program 1 times [2024-11-08 17:52:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:11,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865727670] [2024-11-08 17:52:11,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:11,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:11,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:12,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:12,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:12,934 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:12,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:12,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865727670] [2024-11-08 17:52:12,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865727670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:12,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:12,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:52:12,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725407437] [2024-11-08 17:52:12,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:12,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:52:12,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:12,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:52:12,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:52:12,941 INFO L87 Difference]: Start difference. First operand 154 states and 221 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:13,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:13,625 INFO L93 Difference]: Finished difference Result 341 states and 490 transitions. [2024-11-08 17:52:13,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:52:13,626 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2024-11-08 17:52:13,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:13,628 INFO L225 Difference]: With dead ends: 341 [2024-11-08 17:52:13,628 INFO L226 Difference]: Without dead ends: 190 [2024-11-08 17:52:13,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:52:13,630 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 82 mSDsluCounter, 889 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:13,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1102 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:52:13,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2024-11-08 17:52:13,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 154. [2024-11-08 17:52:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.4) internal successors, (189), 135 states have internal predecessors, (189), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 221 transitions. [2024-11-08 17:52:13,642 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 221 transitions. Word has length 128 [2024-11-08 17:52:13,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:13,643 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 221 transitions. [2024-11-08 17:52:13,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:13,644 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 221 transitions. [2024-11-08 17:52:13,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:52:13,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:13,646 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:13,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:52:13,646 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:13,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:13,647 INFO L85 PathProgramCache]: Analyzing trace with hash -937782901, now seen corresponding path program 1 times [2024-11-08 17:52:13,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:13,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447784507] [2024-11-08 17:52:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:13,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:17,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:17,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:17,294 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:17,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:17,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447784507] [2024-11-08 17:52:17,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447784507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:17,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:17,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 17:52:17,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186344414] [2024-11-08 17:52:17,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:17,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:52:17,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:17,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:52:17,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:52:17,297 INFO L87 Difference]: Start difference. First operand 154 states and 221 transitions. Second operand has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:20,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:20,461 INFO L93 Difference]: Finished difference Result 410 states and 591 transitions. [2024-11-08 17:52:20,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:52:20,462 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 129 [2024-11-08 17:52:20,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:20,463 INFO L225 Difference]: With dead ends: 410 [2024-11-08 17:52:20,463 INFO L226 Difference]: Without dead ends: 259 [2024-11-08 17:52:20,464 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:52:20,468 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 434 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 954 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 434 SdHoareTripleChecker+Valid, 1321 SdHoareTripleChecker+Invalid, 956 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 954 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:20,468 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [434 Valid, 1321 Invalid, 956 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 954 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 17:52:20,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-08 17:52:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 166. [2024-11-08 17:52:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 147 states have (on average 1.4217687074829932) internal successors, (209), 147 states have internal predecessors, (209), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 241 transitions. [2024-11-08 17:52:20,492 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 241 transitions. Word has length 129 [2024-11-08 17:52:20,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:20,496 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 241 transitions. [2024-11-08 17:52:20,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7142857142857144) internal successors, (52), 14 states have internal predecessors, (52), 2 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 241 transitions. [2024-11-08 17:52:20,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:52:20,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:20,498 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:20,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 17:52:20,499 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:20,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash 1449738221, now seen corresponding path program 1 times [2024-11-08 17:52:20,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:20,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627089985] [2024-11-08 17:52:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:21,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:21,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:21,591 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:21,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:21,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627089985] [2024-11-08 17:52:21,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627089985] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:21,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:21,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:52:21,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354698436] [2024-11-08 17:52:21,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:21,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:52:21,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:21,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:52:21,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:52:21,594 INFO L87 Difference]: Start difference. First operand 166 states and 241 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:22,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:22,286 INFO L93 Difference]: Finished difference Result 365 states and 529 transitions. [2024-11-08 17:52:22,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:52:22,287 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:52:22,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:22,289 INFO L225 Difference]: With dead ends: 365 [2024-11-08 17:52:22,289 INFO L226 Difference]: Without dead ends: 202 [2024-11-08 17:52:22,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:52:22,290 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 80 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 859 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:22,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 859 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:52:22,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-08 17:52:22,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 146. [2024-11-08 17:52:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 127 states have (on average 1.4015748031496063) internal successors, (178), 127 states have internal predecessors, (178), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:22,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 210 transitions. [2024-11-08 17:52:22,306 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 210 transitions. Word has length 129 [2024-11-08 17:52:22,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:22,307 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 210 transitions. [2024-11-08 17:52:22,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:22,308 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 210 transitions. [2024-11-08 17:52:22,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:52:22,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:22,309 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:22,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 17:52:22,310 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:22,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:22,310 INFO L85 PathProgramCache]: Analyzing trace with hash 237493207, now seen corresponding path program 1 times [2024-11-08 17:52:22,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:22,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455239469] [2024-11-08 17:52:22,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:22,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:22,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:22,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:22,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:22,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:22,666 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:22,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:22,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455239469] [2024-11-08 17:52:22,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455239469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:22,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:22,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:52:22,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290991818] [2024-11-08 17:52:22,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:22,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:52:22,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:22,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:52:22,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:22,669 INFO L87 Difference]: Start difference. First operand 146 states and 210 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:22,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:22,854 INFO L93 Difference]: Finished difference Result 378 states and 544 transitions. [2024-11-08 17:52:22,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:52:22,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2024-11-08 17:52:22,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:22,856 INFO L225 Difference]: With dead ends: 378 [2024-11-08 17:52:22,857 INFO L226 Difference]: Without dead ends: 235 [2024-11-08 17:52:22,857 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:52:22,858 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 89 mSDsluCounter, 645 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:22,858 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 818 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:52:22,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-08 17:52:22,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 190. [2024-11-08 17:52:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.4210526315789473) internal successors, (243), 171 states have internal predecessors, (243), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 275 transitions. [2024-11-08 17:52:22,871 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 275 transitions. Word has length 130 [2024-11-08 17:52:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:22,872 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 275 transitions. [2024-11-08 17:52:22,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 275 transitions. [2024-11-08 17:52:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:52:22,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:22,874 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:22,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 17:52:22,874 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:22,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:22,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1123900254, now seen corresponding path program 1 times [2024-11-08 17:52:22,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:22,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665841818] [2024-11-08 17:52:22,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:23,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:23,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:23,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665841818] [2024-11-08 17:52:23,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665841818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:23,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:23,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607243991] [2024-11-08 17:52:23,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:23,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:23,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:23,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:23,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:23,159 INFO L87 Difference]: Start difference. First operand 190 states and 275 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:23,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:23,352 INFO L93 Difference]: Finished difference Result 410 states and 593 transitions. [2024-11-08 17:52:23,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:23,353 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:52:23,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:23,355 INFO L225 Difference]: With dead ends: 410 [2024-11-08 17:52:23,355 INFO L226 Difference]: Without dead ends: 223 [2024-11-08 17:52:23,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:23,357 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 75 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 741 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:23,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 741 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:52:23,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-08 17:52:23,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 190. [2024-11-08 17:52:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.4152046783625731) internal successors, (242), 171 states have internal predecessors, (242), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:23,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 274 transitions. [2024-11-08 17:52:23,377 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 274 transitions. Word has length 133 [2024-11-08 17:52:23,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:23,378 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 274 transitions. [2024-11-08 17:52:23,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:23,378 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 274 transitions. [2024-11-08 17:52:23,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:52:23,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:23,380 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:23,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 17:52:23,380 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:23,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:23,381 INFO L85 PathProgramCache]: Analyzing trace with hash 164254719, now seen corresponding path program 1 times [2024-11-08 17:52:23,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849657855] [2024-11-08 17:52:23,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:23,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:23,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:23,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:23,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:23,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849657855] [2024-11-08 17:52:23,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849657855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:23,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:23,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:23,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346798359] [2024-11-08 17:52:23,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:23,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:23,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:23,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:23,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:23,638 INFO L87 Difference]: Start difference. First operand 190 states and 274 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:23,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:23,804 INFO L93 Difference]: Finished difference Result 403 states and 581 transitions. [2024-11-08 17:52:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:23,805 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 134 [2024-11-08 17:52:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:23,807 INFO L225 Difference]: With dead ends: 403 [2024-11-08 17:52:23,807 INFO L226 Difference]: Without dead ends: 216 [2024-11-08 17:52:23,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:23,808 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 64 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:23,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 554 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:52:23,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-11-08 17:52:23,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 190. [2024-11-08 17:52:23,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 171 states have (on average 1.409356725146199) internal successors, (241), 171 states have internal predecessors, (241), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:23,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 273 transitions. [2024-11-08 17:52:23,824 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 273 transitions. Word has length 134 [2024-11-08 17:52:23,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:23,824 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 273 transitions. [2024-11-08 17:52:23,825 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:23,825 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 273 transitions. [2024-11-08 17:52:23,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-08 17:52:23,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:23,827 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:23,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 17:52:23,827 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:23,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:23,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2081121784, now seen corresponding path program 1 times [2024-11-08 17:52:23,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:23,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360494679] [2024-11-08 17:52:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:24,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:24,346 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:24,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:24,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1360494679] [2024-11-08 17:52:24,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1360494679] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:24,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:24,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 17:52:24,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145574218] [2024-11-08 17:52:24,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:24,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:52:24,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:24,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:52:24,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:52:24,348 INFO L87 Difference]: Start difference. First operand 190 states and 273 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:24,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:24,531 INFO L93 Difference]: Finished difference Result 246 states and 342 transitions. [2024-11-08 17:52:24,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:52:24,532 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 134 [2024-11-08 17:52:24,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:24,533 INFO L225 Difference]: With dead ends: 246 [2024-11-08 17:52:24,536 INFO L226 Difference]: Without dead ends: 244 [2024-11-08 17:52:24,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:52:24,538 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 46 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:24,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 901 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:52:24,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-08 17:52:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 222. [2024-11-08 17:52:24,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 203 states have (on average 1.3694581280788178) internal successors, (278), 203 states have internal predecessors, (278), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:24,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 310 transitions. [2024-11-08 17:52:24,553 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 310 transitions. Word has length 134 [2024-11-08 17:52:24,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:24,554 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 310 transitions. [2024-11-08 17:52:24,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:24,555 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 310 transitions. [2024-11-08 17:52:24,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:52:24,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:24,556 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:24,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 17:52:24,557 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:24,557 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:24,558 INFO L85 PathProgramCache]: Analyzing trace with hash -1845350409, now seen corresponding path program 1 times [2024-11-08 17:52:24,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:24,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872253284] [2024-11-08 17:52:24,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:24,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:25,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:25,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:25,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:25,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:25,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:25,413 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:25,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:25,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872253284] [2024-11-08 17:52:25,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872253284] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:25,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:25,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:52:25,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105486373] [2024-11-08 17:52:25,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:25,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:52:25,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:25,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:52:25,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:52:25,417 INFO L87 Difference]: Start difference. First operand 222 states and 310 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:52:26,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:26,336 INFO L93 Difference]: Finished difference Result 561 states and 790 transitions. [2024-11-08 17:52:26,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:52:26,337 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 135 [2024-11-08 17:52:26,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:26,340 INFO L225 Difference]: With dead ends: 561 [2024-11-08 17:52:26,340 INFO L226 Difference]: Without dead ends: 342 [2024-11-08 17:52:26,341 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=346, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:52:26,341 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 331 mSDsluCounter, 1025 mSDsCounter, 0 mSdLazyCounter, 732 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 1186 SdHoareTripleChecker+Invalid, 756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 732 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:26,342 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 1186 Invalid, 756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 732 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:52:26,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-08 17:52:26,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 305. [2024-11-08 17:52:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 286 states have (on average 1.402097902097902) internal successors, (401), 286 states have internal predecessors, (401), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2024-11-08 17:52:26,359 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 135 [2024-11-08 17:52:26,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:26,359 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2024-11-08 17:52:26,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:52:26,360 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2024-11-08 17:52:26,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:52:26,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:26,362 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:26,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 17:52:26,362 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:26,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:26,362 INFO L85 PathProgramCache]: Analyzing trace with hash 168181389, now seen corresponding path program 1 times [2024-11-08 17:52:26,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:26,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64517813] [2024-11-08 17:52:26,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:26,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:27,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:27,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:27,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:27,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:27,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64517813] [2024-11-08 17:52:27,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64517813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:27,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:27,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:52:27,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657204655] [2024-11-08 17:52:27,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:27,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:52:27,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:27,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:52:27,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:52:27,248 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:52:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:28,151 INFO L93 Difference]: Finished difference Result 675 states and 948 transitions. [2024-11-08 17:52:28,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:52:28,154 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) Word has length 136 [2024-11-08 17:52:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:28,156 INFO L225 Difference]: With dead ends: 675 [2024-11-08 17:52:28,157 INFO L226 Difference]: Without dead ends: 373 [2024-11-08 17:52:28,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=355, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:52:28,159 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 263 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 710 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 1146 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 710 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:28,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 1146 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 710 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:52:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2024-11-08 17:52:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 332. [2024-11-08 17:52:28,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 313 states have (on average 1.3801916932907348) internal successors, (432), 313 states have internal predecessors, (432), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:28,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 464 transitions. [2024-11-08 17:52:28,183 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 464 transitions. Word has length 136 [2024-11-08 17:52:28,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:28,184 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 464 transitions. [2024-11-08 17:52:28,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.363636363636363) internal successors, (59), 12 states have internal predecessors, (59), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 2 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-08 17:52:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 464 transitions. [2024-11-08 17:52:28,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:52:28,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:28,187 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:28,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 17:52:28,187 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:28,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:28,188 INFO L85 PathProgramCache]: Analyzing trace with hash 121496633, now seen corresponding path program 1 times [2024-11-08 17:52:28,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:28,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493948875] [2024-11-08 17:52:28,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:28,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:28,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:28,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,434 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:28,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:28,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493948875] [2024-11-08 17:52:28,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493948875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:28,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:28,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:28,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613940169] [2024-11-08 17:52:28,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:28,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:28,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:28,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:28,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:28,437 INFO L87 Difference]: Start difference. First operand 332 states and 464 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:28,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:28,761 INFO L93 Difference]: Finished difference Result 687 states and 959 transitions. [2024-11-08 17:52:28,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:28,762 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-08 17:52:28,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:28,765 INFO L225 Difference]: With dead ends: 687 [2024-11-08 17:52:28,765 INFO L226 Difference]: Without dead ends: 358 [2024-11-08 17:52:28,766 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 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 17:52:28,766 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 65 mSDsluCounter, 382 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:28,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 518 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:52:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-08 17:52:28,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 332. [2024-11-08 17:52:28,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 313 states have (on average 1.3738019169329074) internal successors, (430), 313 states have internal predecessors, (430), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:28,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 462 transitions. [2024-11-08 17:52:28,784 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 462 transitions. Word has length 136 [2024-11-08 17:52:28,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:28,785 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 462 transitions. [2024-11-08 17:52:28,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:28,785 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 462 transitions. [2024-11-08 17:52:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:52:28,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:28,787 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:28,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 17:52:28,788 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:28,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:28,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1770612022, now seen corresponding path program 1 times [2024-11-08 17:52:28,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:28,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039155442] [2024-11-08 17:52:28,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:28,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:28,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:28,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:28,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:29,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:29,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:29,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,024 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:29,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:29,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039155442] [2024-11-08 17:52:29,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039155442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:29,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:29,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:52:29,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259972045] [2024-11-08 17:52:29,025 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:29,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:52:29,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:29,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:52:29,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:52:29,027 INFO L87 Difference]: Start difference. First operand 332 states and 462 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:29,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:29,294 INFO L93 Difference]: Finished difference Result 687 states and 955 transitions. [2024-11-08 17:52:29,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:52:29,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 136 [2024-11-08 17:52:29,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:29,297 INFO L225 Difference]: With dead ends: 687 [2024-11-08 17:52:29,297 INFO L226 Difference]: Without dead ends: 358 [2024-11-08 17:52:29,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:52:29,299 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 64 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:29,299 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 694 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:52:29,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-08 17:52:29,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 332. [2024-11-08 17:52:29,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 313 states have (on average 1.3674121405750799) internal successors, (428), 313 states have internal predecessors, (428), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:29,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 460 transitions. [2024-11-08 17:52:29,315 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 460 transitions. Word has length 136 [2024-11-08 17:52:29,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:29,316 INFO L471 AbstractCegarLoop]: Abstraction has 332 states and 460 transitions. [2024-11-08 17:52:29,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:29,316 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 460 transitions. [2024-11-08 17:52:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:52:29,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:29,319 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:29,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 17:52:29,319 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:29,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:29,320 INFO L85 PathProgramCache]: Analyzing trace with hash 2104657100, now seen corresponding path program 1 times [2024-11-08 17:52:29,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:29,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774167008] [2024-11-08 17:52:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:29,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:52:29,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 17:52:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:52:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 17:52:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 17:52:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 17:52:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:52:29,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 17:52:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-08 17:52:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:52:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-08 17:52:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-08 17:52:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-08 17:52:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 17:52:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:52:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:52:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:52:29,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:52:29,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774167008] [2024-11-08 17:52:29,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774167008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:29,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:29,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:52:29,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71450030] [2024-11-08 17:52:29,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:29,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:52:29,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:52:29,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:52:29,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:52:29,891 INFO L87 Difference]: Start difference. First operand 332 states and 460 transitions. Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:30,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:30,109 INFO L93 Difference]: Finished difference Result 428 states and 574 transitions. [2024-11-08 17:52:30,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:52:30,109 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 137 [2024-11-08 17:52:30,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:30,112 INFO L225 Difference]: With dead ends: 428 [2024-11-08 17:52:30,112 INFO L226 Difference]: Without dead ends: 426 [2024-11-08 17:52:30,112 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:52:30,113 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 61 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1301 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:52:30,113 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1301 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:52:30,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2024-11-08 17:52:30,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 389. [2024-11-08 17:52:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 370 states have (on average 1.3324324324324324) internal successors, (493), 370 states have internal predecessors, (493), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 525 transitions. [2024-11-08 17:52:30,130 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 525 transitions. Word has length 137 [2024-11-08 17:52:30,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:30,131 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 525 transitions. [2024-11-08 17:52:30,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.5) internal successors, (60), 8 states have internal predecessors, (60), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:52:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 525 transitions. [2024-11-08 17:52:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:52:30,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:30,133 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:30,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 17:52:30,134 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:30,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:30,134 INFO L85 PathProgramCache]: Analyzing trace with hash 547182298, now seen corresponding path program 1 times [2024-11-08 17:52:30,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:52:30,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971499772] [2024-11-08 17:52:30,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:30,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:52:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:52:30,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446990702] [2024-11-08 17:52:30,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:30,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:52:30,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:52:30,236 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:52:30,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:52:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:52:31,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:52:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:52:31,404 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:52:31,404 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:52:31,407 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:52:31,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:52:31,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-08 17:52:31,613 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:52:31,882 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:52:31,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:52:31 BoogieIcfgContainer [2024-11-08 17:52:31,885 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:52:31,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:52:31,886 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:52:31,886 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:52:31,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:52:03" (3/4) ... [2024-11-08 17:52:31,890 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:52:31,891 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:52:31,892 INFO L158 Benchmark]: Toolchain (without parser) took 30071.13ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 120.2MB in the beginning and 416.7MB in the end (delta: -296.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,892 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:52:31,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 414.04ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 103.9MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,893 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.18ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 100.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,893 INFO L158 Benchmark]: Boogie Preprocessor took 121.82ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 94.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,893 INFO L158 Benchmark]: RCFGBuilder took 1130.46ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 87.6MB in the end (delta: 7.0MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,894 INFO L158 Benchmark]: TraceAbstraction took 28324.23ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 87.0MB in the beginning and 416.7MB in the end (delta: -329.7MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. [2024-11-08 17:52:31,894 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 474.0MB. Free memory is still 416.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:52:31,896 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory was 81.6MB in the beginning and 81.6MB in the end (delta: 29.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 414.04ms. Allocated memory is still 155.2MB. Free memory was 120.2MB in the beginning and 103.9MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.18ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 100.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.82ms. Allocated memory is still 155.2MB. Free memory was 100.1MB in the beginning and 94.7MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.46ms. Allocated memory is still 155.2MB. Free memory was 94.7MB in the beginning and 87.6MB in the end (delta: 7.0MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28324.23ms. Allocated memory was 155.2MB in the beginning and 474.0MB in the end (delta: 318.8MB). Free memory was 87.0MB in the beginning and 416.7MB in the end (delta: -329.7MB). Peak memory consumption was 256.1MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 474.0MB. Free memory is still 416.7MB. 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 89, overapproximation of shiftLeft at line 101. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -5; [L22] signed short int var_1_1 = -5; [L23] signed short int* var_1_1_Pointer = &(var_1_1); [L24] signed short int var_1_2 = 0; [L24] signed short int var_1_2 = 0; [L25] signed short int* var_1_2_Pointer = &(var_1_2); [L26] signed short int var_1_3 = 1000; [L26] signed short int var_1_3 = 1000; [L27] signed short int* var_1_3_Pointer = &(var_1_3); [L28] signed short int var_1_4 = 10; [L28] signed short int var_1_4 = 10; [L29] signed short int* var_1_4_Pointer = &(var_1_4); [L30] signed short int var_1_5 = 32; [L30] signed short int var_1_5 = 32; [L31] signed short int* var_1_5_Pointer = &(var_1_5); [L32] signed long int var_1_6 = 5; [L32] signed long int var_1_6 = 5; [L33] signed long int* var_1_6_Pointer = &(var_1_6); [L34] float var_1_7 = 1.1; [L34] float var_1_7 = 1.1; [L35] float* var_1_7_Pointer = &(var_1_7); [L36] float var_1_8 = 7.8; [L36] float var_1_8 = 7.8; [L37] float* var_1_8_Pointer = &(var_1_8); [L38] float var_1_9 = 1.75; [L38] float var_1_9 = 1.75; [L39] float* var_1_9_Pointer = &(var_1_9); [L40] signed long int var_1_10 = 32; [L40] signed long int var_1_10 = 32; [L41] signed long int* var_1_10_Pointer = &(var_1_10); [L42] unsigned char var_1_11 = 64; [L42] unsigned char var_1_11 = 64; [L43] unsigned char* var_1_11_Pointer = &(var_1_11); [L44] signed long int var_1_12 = 1230482582; [L44] signed long int var_1_12 = 1230482582; [L45] signed long int* var_1_12_Pointer = &(var_1_12); VAL [isInitial=0, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L105] isInitial = 1 [L106] FCALL initially() [L107] COND TRUE 1 [L108] FCALL updateLastVariables() [L109] CALL updateVariables() [L72] var_1_2 = __VERIFIER_nondet_short() [L73] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L73] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L73] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L74] EXPR \read(var_1_2) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L74] CALL assume_abort_if_not(var_1_2 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L74] RET assume_abort_if_not(var_1_2 <= 16383) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L75] var_1_3 = __VERIFIER_nondet_short() [L76] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L76] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L76] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L77] EXPR \read(var_1_3) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L77] CALL assume_abort_if_not(var_1_3 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L77] RET assume_abort_if_not(var_1_3 <= 16383) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L78] var_1_4 = __VERIFIER_nondet_short() [L79] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L79] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L79] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L80] EXPR \read(var_1_4) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L80] CALL assume_abort_if_not(var_1_4 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L80] RET assume_abort_if_not(var_1_4 <= 16383) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L81] var_1_5 = __VERIFIER_nondet_short() [L82] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L82] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L82] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L83] EXPR \read(var_1_5) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L83] CALL assume_abort_if_not(var_1_5 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L83] RET assume_abort_if_not(var_1_5 <= 16383) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L84] var_1_7 = __VERIFIER_nondet_float() [L85] EXPR \read(var_1_7) [L85] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F [L85] EXPR \read(var_1_7) [L85] EXPR var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] EXPR (var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] EXPR (var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] CALL assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L85] RET assume_abort_if_not((var_1_7 >= -922337.2036854776000e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L86] var_1_8 = __VERIFIER_nondet_float() [L87] EXPR \read(var_1_8) [L87] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F [L87] EXPR \read(var_1_8) [L87] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L87] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L88] var_1_9 = __VERIFIER_nondet_float() [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F [L89] EXPR \read(var_1_9) [L89] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L89] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L90] var_1_11 = __VERIFIER_nondet_uchar() [L91] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L91] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L91] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] CALL assume_abort_if_not(var_1_11 <= 255) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L92] RET assume_abort_if_not(var_1_11 <= 255) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L93] EXPR \read(var_1_11) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L93] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L93] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L94] var_1_12 = __VERIFIER_nondet_long() [L95] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L95] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L95] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L96] EXPR \read(var_1_12) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L96] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L96] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L109] RET updateVariables() [L110] CALL step() [L49] EXPR \read(*var_1_2_Pointer) [L49] EXPR \read(*var_1_3_Pointer) [L49] EXPR \read(*var_1_4_Pointer) [L49] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L49] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))) [L49] EXPR \read(*var_1_4_Pointer) [L49] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L49] (*(var_1_1_Pointer)) = ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))) [L50] EXPR \read(*var_1_2_Pointer) [L50] EXPR \read(*var_1_1_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L50] COND FALSE !((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) [L57] EXPR \read(*var_1_4_Pointer) [L57] (*(var_1_6_Pointer)) = (*(var_1_4_Pointer)) [L59] EXPR \read(*var_1_6_Pointer) [L59] EXPR \read(*var_1_4_Pointer) [L59] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L59] EXPR (*(var_1_4_Pointer)) << (*(var_1_2_Pointer)) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L59] signed long int stepLocal_1 = (*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer))); [L60] EXPR \read(*var_1_2_Pointer) [L60] EXPR \read(*var_1_12_Pointer) [L60] EXPR \read(*var_1_5_Pointer) [L60] signed long int stepLocal_0 = (*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))); [L61] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L61] COND TRUE stepLocal_1 != (*(var_1_5_Pointer)) [L62] EXPR \read(*var_1_3_Pointer) [L62] EXPR \read(*var_1_11_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L62] COND FALSE !(((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < stepLocal_0) [L65] EXPR \read(*var_1_4_Pointer) [L65] (*(var_1_10_Pointer)) = (*(var_1_4_Pointer)) [L110] RET step() [L111] CALL, EXPR property() [L101] EXPR \read(*var_1_1_Pointer) [L101] EXPR \read(*var_1_2_Pointer) [L101] EXPR \read(*var_1_3_Pointer) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR (((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR ((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR ((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) [L101] EXPR \read(*var_1_2_Pointer) [L101] EXPR \read(*var_1_1_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR ((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))) [L101] EXPR \read(*var_1_6_Pointer) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR ((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR ((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))))) && ((((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))))) && ((((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer))))) [L101] EXPR \read(*var_1_6_Pointer) [L101] EXPR \read(*var_1_4_Pointer) [L101] EXPR \read(*var_1_2_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (*(var_1_4_Pointer)) << (*(var_1_2_Pointer)) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer)))) [L101] EXPR \read(*var_1_10_Pointer) [L101] EXPR \read(*var_1_2_Pointer) [L101] EXPR (((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer)))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101] EXPR (((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))))) && ((((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer))))) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L101-L102] return (((*(var_1_1_Pointer)) == ((signed short int) ((((((16) > (4)) ? (16) : (4))) + (*(var_1_2_Pointer))) - ((*(var_1_3_Pointer)) + (((((*(var_1_4_Pointer))) < ((*(var_1_5_Pointer)))) ? ((*(var_1_4_Pointer))) : ((*(var_1_5_Pointer))))))))) && (((*(var_1_2_Pointer)) >= (*(var_1_1_Pointer))) ? (((((((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) < 0 ) ? -((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))) : ((*(var_1_7_Pointer)) + (*(var_1_8_Pointer))))) < (*(var_1_9_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_3_Pointer)))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_1_Pointer))))) : ((*(var_1_6_Pointer)) == ((signed long int) (*(var_1_4_Pointer)))))) && ((((*(var_1_6_Pointer)) + ((*(var_1_4_Pointer)) << (*(var_1_2_Pointer)))) != (*(var_1_5_Pointer))) ? ((((*(var_1_3_Pointer)) / (*(var_1_11_Pointer))) < ((*(var_1_2_Pointer)) - ((*(var_1_12_Pointer)) - (*(var_1_5_Pointer))))) ? ((*(var_1_10_Pointer)) == ((signed long int) ((((-256) < ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer)))))))))) ? (-256) : ((((((*(var_1_4_Pointer))) < ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))) ? ((*(var_1_4_Pointer))) : ((((((*(var_1_5_Pointer))) > ((*(var_1_2_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_2_Pointer))))))))))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_4_Pointer))))) : ((*(var_1_10_Pointer)) == ((signed long int) (*(var_1_2_Pointer))))) ; [L111] RET, EXPR property() [L111] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] [L19] reach_error() VAL [isInitial=1, var_1_10={13:0}, var_1_10_Pointer={13:0}, var_1_11={14:0}, var_1_11_Pointer={14:0}, var_1_12={15:0}, var_1_12_Pointer={15:0}, 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_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}, var_1_8={11:0}, var_1_8_Pointer={11:0}, var_1_9={12:0}, var_1_9_Pointer={12:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.0s, OverallIterations: 18, TraceHistogramMax: 16, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 10.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1987 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1987 mSDsluCounter, 14539 SdHoareTripleChecker+Invalid, 6.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11684 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5332 IncrementalHoareTripleChecker+Invalid, 5371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 2855 mSDtfsCounter, 5332 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 749 GetRequests, 600 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=389occurred in iteration=17, InterpolantAutomatonStates: 123, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 17 MinimizatonAttempts, 618 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 14.2s InterpolantComputationTime, 2511 NumberOfCodeBlocks, 2511 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2220 ConstructedInterpolants, 0 QuantifiedInterpolants, 8017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 8160/8160 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 17:52:31,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 214c49e8f3d3735ec742b7b163a0487f19e3afbd4fa1866f6927a51886e4b103 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:52:34,629 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:52:34,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:52:34,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:52:34,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:52:34,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:52:34,795 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:52:34,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:52:34,798 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:52:34,799 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:52:34,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:52:34,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:52:34,801 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:52:34,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:52:34,804 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:52:34,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:52:34,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:52:34,805 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:52:34,806 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:52:34,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:52:34,806 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:52:34,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:52:34,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:52:34,811 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:52:34,812 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:52:34,812 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:52:34,812 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:52:34,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:52:34,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:52:34,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:52:34,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:52:34,814 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:52:34,814 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:52:34,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:52:34,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:52:34,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:52:34,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:52:34,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:52:34,818 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:52:34,819 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:52:34,819 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:52:34,819 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:52:34,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:52:34,821 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:52:34,821 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 214c49e8f3d3735ec742b7b163a0487f19e3afbd4fa1866f6927a51886e4b103 [2024-11-08 17:52:35,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:52:35,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:52:35,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:52:35,246 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:52:35,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:52:35,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i Unable to find full path for "g++" [2024-11-08 17:52:37,268 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:52:37,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:52:37,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i [2024-11-08 17:52:37,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/8844ae430/8c26e38aa6e94275bab67bc71fc406cb/FLAG58939f1f3 [2024-11-08 17:52:37,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/data/8844ae430/8c26e38aa6e94275bab67bc71fc406cb [2024-11-08 17:52:37,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:52:37,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:52:37,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:52:37,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:52:37,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:52:37,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:52:37" (1/1) ... [2024-11-08 17:52:37,618 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb47869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:37, skipping insertion in model container [2024-11-08 17:52:37,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:52:37" (1/1) ... [2024-11-08 17:52:37,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:52:37,888 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i[916,929] [2024-11-08 17:52:37,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:52:38,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:52:38,061 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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-39.i[916,929] [2024-11-08 17:52:38,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:52:38,161 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:52:38,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38 WrapperNode [2024-11-08 17:52:38,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:52:38,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:52:38,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:52:38,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:52:38,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,251 INFO L138 Inliner]: procedures = 36, calls = 199, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 613 [2024-11-08 17:52:38,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:52:38,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:52:38,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:52:38,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:52:38,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,285 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,331 INFO L175 MemorySlicer]: Split 160 memory accesses to 13 slices as follows [2, 7, 30, 10, 22, 28, 9, 12, 12, 8, 7, 7, 6]. 19 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 1]. [2024-11-08 17:52:38,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,391 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,399 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,412 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:52:38,413 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:52:38,416 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:52:38,417 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:52:38,418 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (1/1) ... [2024-11-08 17:52:38,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:52:38,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:52:38,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:52:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:52:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:52:38,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 17:52:38,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 17:52:38,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 17:52:38,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 17:52:38,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 17:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 17:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 17:52:38,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-08 17:52:38,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-08 17:52:38,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-08 17:52:38,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 17:52:38,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 17:52:38,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 17:52:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 17:52:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-08 17:52:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-08 17:52:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-08 17:52:38,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-08 17:52:38,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 17:52:38,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 17:52:38,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 17:52:38,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 17:52:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 17:52:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 17:52:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 17:52:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 17:52:38,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 17:52:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 17:52:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:52:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:52:38,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 17:52:38,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 17:52:38,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 17:52:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 17:52:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 17:52:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 17:52:38,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 17:52:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 17:52:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 17:52:38,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 17:52:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 17:52:38,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 17:52:38,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-08 17:52:38,521 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-08 17:52:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-08 17:52:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-08 17:52:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-08 17:52:38,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-08 17:52:38,829 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:52:38,832 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:52:40,451 INFO L? ?]: Removed 188 outVars from TransFormulas that were not future-live. [2024-11-08 17:52:40,452 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:52:40,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:52:40,474 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:52:40,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:52:40 BoogieIcfgContainer [2024-11-08 17:52:40,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:52:40,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:52:40,480 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:52:40,483 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:52:40,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:52:37" (1/3) ... [2024-11-08 17:52:40,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbde32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:52:40, skipping insertion in model container [2024-11-08 17:52:40,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:52:38" (2/3) ... [2024-11-08 17:52:40,485 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbde32e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:52:40, skipping insertion in model container [2024-11-08 17:52:40,486 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:52:40" (3/3) ... [2024-11-08 17:52:40,488 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-39.i [2024-11-08 17:52:40,509 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:52:40,509 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:52:40,610 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:52:40,617 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;@245cddbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:52:40,617 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:52:40,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 96 states have internal predecessors, (137), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:52:40,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:40,641 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:40,641 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:40,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:40,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1314251931, now seen corresponding path program 1 times [2024-11-08 17:52:40,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:52:40,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [183972839] [2024-11-08 17:52:40,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:40,670 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 17:52:40,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:52:40,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:40,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:41,190 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:52:41,199 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:52:41,236 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-11-08 17:52:41,236 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:52:41,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:52:41,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [183972839] [2024-11-08 17:52:41,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [183972839] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:41,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:41,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:52:41,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583606392] [2024-11-08 17:52:41,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:41,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:52:41,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:52:41,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:52:41,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:52:41,277 INFO L87 Difference]: Start difference. First operand has 114 states, 95 states have (on average 1.4421052631578948) internal successors, (137), 96 states have internal predecessors, (137), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:41,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:41,329 INFO L93 Difference]: Finished difference Result 221 states and 348 transitions. [2024-11-08 17:52:41,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:52:41,332 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2024-11-08 17:52:41,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:41,341 INFO L225 Difference]: With dead ends: 221 [2024-11-08 17:52:41,341 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 17:52:41,344 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 125 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 17:52:41,348 INFO L432 NwaCegarLoop]: 162 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, 162 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 17:52:41,349 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:52:41,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 17:52:41,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-11-08 17:52:41,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 92 states have (on average 1.4130434782608696) internal successors, (130), 92 states have internal predecessors, (130), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:41,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 162 transitions. [2024-11-08 17:52:41,415 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 162 transitions. Word has length 126 [2024-11-08 17:52:41,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:41,417 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 162 transitions. [2024-11-08 17:52:41,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 162 transitions. [2024-11-08 17:52:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:52:41,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:41,423 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:41,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:52:41,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:41,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:41,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:41,625 INFO L85 PathProgramCache]: Analyzing trace with hash 2011725791, now seen corresponding path program 1 times [2024-11-08 17:52:41,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:52:41,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [350070828] [2024-11-08 17:52:41,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:41,627 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 17:52:41,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:52:41,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:41,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:42,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 17:52:42,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:52:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 252 proven. 0 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2024-11-08 17:52:42,248 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:52:42,248 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:52:42,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [350070828] [2024-11-08 17:52:42,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [350070828] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:52:42,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:52:42,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:52:42,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797794249] [2024-11-08 17:52:42,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:52:42,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:52:42,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:52:42,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:52:42,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:52:42,255 INFO L87 Difference]: Start difference. First operand 110 states and 162 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:42,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:52:42,345 INFO L93 Difference]: Finished difference Result 219 states and 324 transitions. [2024-11-08 17:52:42,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:52:42,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 126 [2024-11-08 17:52:42,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:52:42,348 INFO L225 Difference]: With dead ends: 219 [2024-11-08 17:52:42,350 INFO L226 Difference]: Without dead ends: 112 [2024-11-08 17:52:42,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 123 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 17:52:42,352 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 469 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 17:52:42,355 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 469 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:52:42,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-08 17:52:42,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-08 17:52:42,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 94 states have (on average 1.4042553191489362) internal successors, (132), 94 states have internal predecessors, (132), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:52:42,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 164 transitions. [2024-11-08 17:52:42,374 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 164 transitions. Word has length 126 [2024-11-08 17:52:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:52:42,376 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 164 transitions. [2024-11-08 17:52:42,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-08 17:52:42,378 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 164 transitions. [2024-11-08 17:52:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:52:42,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:52:42,384 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:52:42,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:42,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:42,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:52:42,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:52:42,586 INFO L85 PathProgramCache]: Analyzing trace with hash 2066118689, now seen corresponding path program 1 times [2024-11-08 17:52:42,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:52:42,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131452674] [2024-11-08 17:52:42,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:52:42,588 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 17:52:42,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:52:42,591 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:42,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:52:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:52:43,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-08 17:52:43,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:52:53,952 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 37 treesize of output 33 [2024-11-08 17:52:54,310 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 17:52:54,677 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 21 [2024-11-08 17:52:54,761 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 29 [2024-11-08 17:52:56,043 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 60 treesize of output 44 [2024-11-08 17:52:56,074 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 65 [2024-11-08 17:52:56,099 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 17:52:56,921 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 92 treesize of output 68 [2024-11-08 17:52:57,949 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:52:57,949 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:53:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:53:01,472 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:53:01,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131452674] [2024-11-08 17:53:01,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2131452674] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:53:01,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:53:01,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [47] total 56 [2024-11-08 17:53:01,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124809593] [2024-11-08 17:53:01,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:53:01,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:53:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:53:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:53:01,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2885, Unknown=0, NotChecked=0, Total=3080 [2024-11-08 17:53:01,477 INFO L87 Difference]: Start difference. First operand 112 states and 164 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:07,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:07,112 INFO L93 Difference]: Finished difference Result 311 states and 456 transitions. [2024-11-08 17:53:07,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:53:07,114 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2024-11-08 17:53:07,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:07,116 INFO L225 Difference]: With dead ends: 311 [2024-11-08 17:53:07,117 INFO L226 Difference]: Without dead ends: 202 [2024-11-08 17:53:07,119 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1339 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=257, Invalid=3649, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 17:53:07,120 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 311 mSDsluCounter, 896 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:07,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 1014 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 17:53:07,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-08 17:53:07,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 120. [2024-11-08 17:53:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 102 states have (on average 1.4019607843137254) internal successors, (143), 102 states have internal predecessors, (143), 16 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:53:07,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 175 transitions. [2024-11-08 17:53:07,134 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 175 transitions. Word has length 126 [2024-11-08 17:53:07,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:07,135 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 175 transitions. [2024-11-08 17:53:07,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:07,135 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 175 transitions. [2024-11-08 17:53:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:53:07,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:07,141 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:07,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:07,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:07,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:07,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:07,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1548790237, now seen corresponding path program 1 times [2024-11-08 17:53:07,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:07,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729909103] [2024-11-08 17:53:07,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:07,344 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 17:53:07,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:07,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:07,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:07,788 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 17:53:07,797 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:17,850 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 17:53:18,735 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 17:53:19,060 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 56 [2024-11-08 17:53:19,076 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 17:53:19,854 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 57 [2024-11-08 17:53:19,867 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 48 treesize of output 32 [2024-11-08 17:53:20,409 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:53:20,410 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:53:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:53:22,381 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:53:22,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729909103] [2024-11-08 17:53:22,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729909103] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:53:22,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:53:22,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [45] total 53 [2024-11-08 17:53:22,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998341241] [2024-11-08 17:53:22,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:53:22,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:53:22,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:53:22,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:53:22,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2562, Unknown=0, NotChecked=0, Total=2756 [2024-11-08 17:53:22,385 INFO L87 Difference]: Start difference. First operand 120 states and 175 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:25,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:25,537 INFO L93 Difference]: Finished difference Result 327 states and 476 transitions. [2024-11-08 17:53:25,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:53:25,538 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2024-11-08 17:53:25,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:25,540 INFO L225 Difference]: With dead ends: 327 [2024-11-08 17:53:25,541 INFO L226 Difference]: Without dead ends: 210 [2024-11-08 17:53:25,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1063 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=244, Invalid=2948, Unknown=0, NotChecked=0, Total=3192 [2024-11-08 17:53:25,543 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 336 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:25,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 969 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 17:53:25,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2024-11-08 17:53:25,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 160. [2024-11-08 17:53:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 137 states have (on average 1.3941605839416058) internal successors, (191), 138 states have internal predecessors, (191), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:53:25,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 231 transitions. [2024-11-08 17:53:25,570 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 231 transitions. Word has length 126 [2024-11-08 17:53:25,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:25,571 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 231 transitions. [2024-11-08 17:53:25,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:25,572 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 231 transitions. [2024-11-08 17:53:25,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:53:25,574 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:25,574 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:25,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:53:25,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:25,778 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:25,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:25,779 INFO L85 PathProgramCache]: Analyzing trace with hash 786255011, now seen corresponding path program 1 times [2024-11-08 17:53:25,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:25,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1347139448] [2024-11-08 17:53:25,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:25,780 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 17:53:25,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:25,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:25,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:26,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-08 17:53:26,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:35,315 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 17:53:36,133 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 17:53:36,408 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 56 [2024-11-08 17:53:36,419 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 17:53:37,169 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 61 treesize of output 41 [2024-11-08 17:53:37,175 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 75 treesize of output 55 [2024-11-08 17:53:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:53:37,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:53:39,841 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:53:39,842 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:53:39,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1347139448] [2024-11-08 17:53:39,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1347139448] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:53:39,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:53:39,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [45] total 53 [2024-11-08 17:53:39,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136908519] [2024-11-08 17:53:39,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:53:39,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:53:39,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:53:39,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:53:39,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=2562, Unknown=0, NotChecked=0, Total=2756 [2024-11-08 17:53:39,845 INFO L87 Difference]: Start difference. First operand 160 states and 231 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:42,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:42,766 INFO L93 Difference]: Finished difference Result 415 states and 599 transitions. [2024-11-08 17:53:42,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:53:42,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2024-11-08 17:53:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:42,771 INFO L225 Difference]: With dead ends: 415 [2024-11-08 17:53:42,771 INFO L226 Difference]: Without dead ends: 258 [2024-11-08 17:53:42,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1065 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=244, Invalid=2948, Unknown=0, NotChecked=0, Total=3192 [2024-11-08 17:53:42,773 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 375 mSDsluCounter, 820 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:42,774 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 996 Invalid, 499 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-08 17:53:42,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-08 17:53:42,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 166. [2024-11-08 17:53:42,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 143 states have (on average 1.3916083916083917) internal successors, (199), 144 states have internal predecessors, (199), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:53:42,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 239 transitions. [2024-11-08 17:53:42,788 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 239 transitions. Word has length 126 [2024-11-08 17:53:42,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:42,788 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 239 transitions. [2024-11-08 17:53:42,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:42,789 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 239 transitions. [2024-11-08 17:53:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-08 17:53:42,791 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:42,791 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:42,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:53:42,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:42,992 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:42,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1466313381, now seen corresponding path program 1 times [2024-11-08 17:53:42,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:42,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [98300584] [2024-11-08 17:53:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:42,993 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 17:53:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:42,994 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:42,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:43,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 17:53:43,527 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:53:49,221 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 37 treesize of output 33 [2024-11-08 17:53:49,806 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 60 treesize of output 44 [2024-11-08 17:53:49,815 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 72 treesize of output 52 [2024-11-08 17:53:49,829 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 17:53:50,089 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 56 [2024-11-08 17:53:50,670 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 338 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 17:53:50,670 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:53:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:53:52,313 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:53:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [98300584] [2024-11-08 17:53:52,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [98300584] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:53:52,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:53:52,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [36] total 43 [2024-11-08 17:53:52,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32659403] [2024-11-08 17:53:52,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:53:52,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:53:52,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:53:52,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:53:52,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1665, Unknown=0, NotChecked=0, Total=1806 [2024-11-08 17:53:52,316 INFO L87 Difference]: Start difference. First operand 166 states and 239 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:54,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:53:54,805 INFO L93 Difference]: Finished difference Result 407 states and 591 transitions. [2024-11-08 17:53:54,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:53:54,807 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 126 [2024-11-08 17:53:54,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:53:54,809 INFO L225 Difference]: With dead ends: 407 [2024-11-08 17:53:54,809 INFO L226 Difference]: Without dead ends: 244 [2024-11-08 17:53:54,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=163, Invalid=1999, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 17:53:54,813 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 76 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 1261 SdHoareTripleChecker+Invalid, 484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:53:54,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 1261 Invalid, 484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-08 17:53:54,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-08 17:53:54,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 180. [2024-11-08 17:53:54,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 157 states have (on average 1.4076433121019107) internal successors, (221), 158 states have internal predecessors, (221), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:53:54,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 261 transitions. [2024-11-08 17:53:54,837 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 261 transitions. Word has length 126 [2024-11-08 17:53:54,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:53:54,837 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 261 transitions. [2024-11-08 17:53:54,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:53:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 261 transitions. [2024-11-08 17:53:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:53:54,843 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:53:54,843 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:53:54,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:55,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:55,044 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:53:55,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:53:55,044 INFO L85 PathProgramCache]: Analyzing trace with hash -837356226, now seen corresponding path program 1 times [2024-11-08 17:53:55,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:53:55,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1806225093] [2024-11-08 17:53:55,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:53:55,045 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 17:53:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:53:55,048 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:55,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:53:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:53:55,520 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-08 17:53:55,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:54:01,387 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 37 treesize of output 33 [2024-11-08 17:54:02,187 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 60 treesize of output 44 [2024-11-08 17:54:02,195 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 72 treesize of output 52 [2024-11-08 17:54:02,203 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 17:54:02,546 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 56 [2024-11-08 17:54:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:54:03,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:54:05,171 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:54:05,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:05,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1806225093] [2024-11-08 17:54:05,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1806225093] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:05,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:54:05,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [36] total 43 [2024-11-08 17:54:05,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615895557] [2024-11-08 17:54:05,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:05,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:54:05,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:05,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:54:05,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1665, Unknown=0, NotChecked=0, Total=1806 [2024-11-08 17:54:05,174 INFO L87 Difference]: Start difference. First operand 180 states and 261 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:54:07,272 INFO L93 Difference]: Finished difference Result 437 states and 637 transitions. [2024-11-08 17:54:07,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 17:54:07,273 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 127 [2024-11-08 17:54:07,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:54:07,276 INFO L225 Difference]: With dead ends: 437 [2024-11-08 17:54:07,276 INFO L226 Difference]: Without dead ends: 260 [2024-11-08 17:54:07,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 724 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=163, Invalid=1999, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 17:54:07,278 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 75 mSDsluCounter, 817 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:54:07,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 942 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 17:54:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2024-11-08 17:54:07,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 194. [2024-11-08 17:54:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 171 states have (on average 1.4269005847953216) internal successors, (244), 172 states have internal predecessors, (244), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:54:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 284 transitions. [2024-11-08 17:54:07,290 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 284 transitions. Word has length 127 [2024-11-08 17:54:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:54:07,290 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 284 transitions. [2024-11-08 17:54:07,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 284 transitions. [2024-11-08 17:54:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:54:07,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:07,293 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:07,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:07,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:07,493 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:07,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:07,494 INFO L85 PathProgramCache]: Analyzing trace with hash -157297856, now seen corresponding path program 1 times [2024-11-08 17:54:07,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:54:07,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159957091] [2024-11-08 17:54:07,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:07,494 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 17:54:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:54:07,497 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:07,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:07,937 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 17:54:07,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:54:17,841 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 17:54:18,512 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 53 treesize of output 37 [2024-11-08 17:54:19,339 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 17:54:19,348 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 17 [2024-11-08 17:54:19,765 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:54:19,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:54:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:54:21,109 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:21,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159957091] [2024-11-08 17:54:21,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159957091] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:21,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:54:21,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [43] total 49 [2024-11-08 17:54:21,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852747226] [2024-11-08 17:54:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:21,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:54:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:21,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:54:21,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2186, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 17:54:21,112 INFO L87 Difference]: Start difference. First operand 194 states and 284 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:22,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:54:22,423 INFO L93 Difference]: Finished difference Result 472 states and 685 transitions. [2024-11-08 17:54:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:54:22,424 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 127 [2024-11-08 17:54:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:54:22,427 INFO L225 Difference]: With dead ends: 472 [2024-11-08 17:54:22,427 INFO L226 Difference]: Without dead ends: 281 [2024-11-08 17:54:22,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 877 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=182, Invalid=2368, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 17:54:22,429 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 84 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:54:22,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 771 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:54:22,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-08 17:54:22,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 192. [2024-11-08 17:54:22,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 169 states have (on average 1.4260355029585798) internal successors, (241), 170 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:54:22,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 281 transitions. [2024-11-08 17:54:22,441 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 281 transitions. Word has length 127 [2024-11-08 17:54:22,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:54:22,442 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 281 transitions. [2024-11-08 17:54:22,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:22,442 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 281 transitions. [2024-11-08 17:54:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-08 17:54:22,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:22,445 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:22,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:54:22,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:22,648 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:22,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:22,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1858424580, now seen corresponding path program 1 times [2024-11-08 17:54:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:54:22,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940828111] [2024-11-08 17:54:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:22,649 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 17:54:22,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:54:22,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:22,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:23,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-08 17:54:23,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:54:32,783 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 17:54:33,416 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 53 treesize of output 37 [2024-11-08 17:54:34,216 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 34 treesize of output 22 [2024-11-08 17:54:34,222 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 56 treesize of output 40 [2024-11-08 17:54:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:54:34,710 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:54:36,047 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:54:36,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:36,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940828111] [2024-11-08 17:54:36,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940828111] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:36,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:54:36,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [43] total 49 [2024-11-08 17:54:36,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719383319] [2024-11-08 17:54:36,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:36,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:54:36,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:36,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:54:36,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=2186, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 17:54:36,051 INFO L87 Difference]: Start difference. First operand 192 states and 281 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:37,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:54:37,228 INFO L93 Difference]: Finished difference Result 466 states and 677 transitions. [2024-11-08 17:54:37,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:54:37,230 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 127 [2024-11-08 17:54:37,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:54:37,231 INFO L225 Difference]: With dead ends: 466 [2024-11-08 17:54:37,232 INFO L226 Difference]: Without dead ends: 277 [2024-11-08 17:54:37,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 877 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=182, Invalid=2368, Unknown=0, NotChecked=0, Total=2550 [2024-11-08 17:54:37,234 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 230 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:54:37,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 768 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-08 17:54:37,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2024-11-08 17:54:37,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 188. [2024-11-08 17:54:37,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 165 states have (on average 1.4303030303030304) internal successors, (236), 166 states have internal predecessors, (236), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:54:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 276 transitions. [2024-11-08 17:54:37,249 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 276 transitions. Word has length 127 [2024-11-08 17:54:37,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:54:37,253 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 276 transitions. [2024-11-08 17:54:37,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:37,253 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 276 transitions. [2024-11-08 17:54:37,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-08 17:54:37,255 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:37,255 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:37,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:37,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:37,456 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:37,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash -715213972, now seen corresponding path program 1 times [2024-11-08 17:54:37,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:54:37,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1753132000] [2024-11-08 17:54:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:37,457 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 17:54:37,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:54:37,458 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:37,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:37,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 17:54:37,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:54:38,039 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 17:54:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:54:38,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:54:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:54:38,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:38,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1753132000] [2024-11-08 17:54:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1753132000] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:38,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:54:38,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-11-08 17:54:38,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990427219] [2024-11-08 17:54:38,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:38,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:54:38,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:38,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:54:38,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:54:38,246 INFO L87 Difference]: Start difference. First operand 188 states and 276 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:38,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:54:38,719 INFO L93 Difference]: Finished difference Result 392 states and 571 transitions. [2024-11-08 17:54:38,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:54:38,720 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 128 [2024-11-08 17:54:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:54:38,722 INFO L225 Difference]: With dead ends: 392 [2024-11-08 17:54:38,722 INFO L226 Difference]: Without dead ends: 207 [2024-11-08 17:54:38,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:54:38,723 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 83 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 782 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:54:38,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 782 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:54:38,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-08 17:54:38,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 191. [2024-11-08 17:54:38,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 168 states have (on average 1.4226190476190477) internal successors, (239), 169 states have internal predecessors, (239), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:54:38,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 279 transitions. [2024-11-08 17:54:38,732 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 279 transitions. Word has length 128 [2024-11-08 17:54:38,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:54:38,732 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 279 transitions. [2024-11-08 17:54:38,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:54:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 279 transitions. [2024-11-08 17:54:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:54:38,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:54:38,734 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:54:38,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:54:38,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:38,935 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:54:38,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:54:38,935 INFO L85 PathProgramCache]: Analyzing trace with hash -783965272, now seen corresponding path program 1 times [2024-11-08 17:54:38,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:54:38,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107321154] [2024-11-08 17:54:38,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:54:38,936 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 17:54:38,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:54:38,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:38,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:54:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:54:39,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-11-08 17:54:39,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:54:48,953 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 37 treesize of output 33 [2024-11-08 17:54:49,499 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 17:54:49,967 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 29 [2024-11-08 17:54:50,013 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 21 [2024-11-08 17:54:50,814 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 62 [2024-11-08 17:54:50,825 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 59 [2024-11-08 17:54:50,835 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 34 treesize of output 26 [2024-11-08 17:54:51,245 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 71 treesize of output 51 [2024-11-08 17:54:52,104 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:54:52,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:54:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:54:55,533 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:54:55,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107321154] [2024-11-08 17:54:55,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107321154] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:54:55,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:54:55,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [47] total 56 [2024-11-08 17:54:55,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503669554] [2024-11-08 17:54:55,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:54:55,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:54:55,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:54:55,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:54:55,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=2884, Unknown=0, NotChecked=0, Total=3080 [2024-11-08 17:54:55,537 INFO L87 Difference]: Start difference. First operand 191 states and 279 transitions. Second operand has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:01,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:01,918 INFO L93 Difference]: Finished difference Result 553 states and 809 transitions. [2024-11-08 17:55:01,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:55:01,920 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:55:01,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:01,923 INFO L225 Difference]: With dead ends: 553 [2024-11-08 17:55:01,923 INFO L226 Difference]: Without dead ends: 365 [2024-11-08 17:55:01,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1345 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=258, Invalid=3648, Unknown=0, NotChecked=0, Total=3906 [2024-11-08 17:55:01,925 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 222 mSDsluCounter, 1032 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 894 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:01,926 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1170 Invalid, 894 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-08 17:55:01,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-08 17:55:01,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 200. [2024-11-08 17:55:01,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 177 states have (on average 1.423728813559322) internal successors, (252), 178 states have internal predecessors, (252), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:55:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 292 transitions. [2024-11-08 17:55:01,941 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 292 transitions. Word has length 129 [2024-11-08 17:55:01,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:01,942 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 292 transitions. [2024-11-08 17:55:01,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 11 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:01,942 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 292 transitions. [2024-11-08 17:55:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:55:01,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:01,943 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:01,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:55:02,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:02,144 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:02,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:02,145 INFO L85 PathProgramCache]: Analyzing trace with hash -103906902, now seen corresponding path program 1 times [2024-11-08 17:55:02,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:02,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209136416] [2024-11-08 17:55:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:02,145 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 17:55:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:02,149 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:02,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:02,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 17:55:02,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:05,760 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 21 [2024-11-08 17:55:05,764 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 17 [2024-11-08 17:55:06,165 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 316 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-08 17:55:06,165 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:06,638 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:55:06,638 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:06,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209136416] [2024-11-08 17:55:06,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1209136416] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:06,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:06,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 27 [2024-11-08 17:55:06,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930403738] [2024-11-08 17:55:06,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:06,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:55:06,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:06,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:55:06,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:55:06,640 INFO L87 Difference]: Start difference. First operand 200 states and 292 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:07,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:07,155 INFO L93 Difference]: Finished difference Result 503 states and 731 transitions. [2024-11-08 17:55:07,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:55:07,156 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:55:07,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:07,159 INFO L225 Difference]: With dead ends: 503 [2024-11-08 17:55:07,161 INFO L226 Difference]: Without dead ends: 306 [2024-11-08 17:55:07,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2024-11-08 17:55:07,163 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 170 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:07,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 378 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:55:07,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-08 17:55:07,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 219. [2024-11-08 17:55:07,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 196 states have (on average 1.433673469387755) internal successors, (281), 197 states have internal predecessors, (281), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:55:07,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 321 transitions. [2024-11-08 17:55:07,178 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 321 transitions. Word has length 129 [2024-11-08 17:55:07,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:07,178 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 321 transitions. [2024-11-08 17:55:07,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:07,179 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 321 transitions. [2024-11-08 17:55:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:55:07,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:07,181 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:07,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:55:07,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:07,381 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:07,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:07,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1370771286, now seen corresponding path program 1 times [2024-11-08 17:55:07,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:07,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1778926488] [2024-11-08 17:55:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:07,382 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 17:55:07,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:07,384 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:07,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:07,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-08 17:55:07,935 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:18,413 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 37 treesize of output 33 [2024-11-08 17:55:19,344 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 17:55:19,862 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 21 [2024-11-08 17:55:19,912 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 29 [2024-11-08 17:55:20,994 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 60 treesize of output 44 [2024-11-08 17:55:21,004 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 89 treesize of output 69 [2024-11-08 17:55:21,016 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 52 [2024-11-08 17:55:21,602 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 114 treesize of output 86 [2024-11-08 17:55:23,002 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 20 proven. 348 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-08 17:55:23,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:27,237 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:55:27,237 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:27,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1778926488] [2024-11-08 17:55:27,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1778926488] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:27,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:27,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [48] total 58 [2024-11-08 17:55:27,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080501846] [2024-11-08 17:55:27,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:27,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:55:27,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:27,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:55:27,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=3093, Unknown=0, NotChecked=0, Total=3306 [2024-11-08 17:55:27,241 INFO L87 Difference]: Start difference. First operand 219 states and 321 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:37,582 INFO L93 Difference]: Finished difference Result 549 states and 801 transitions. [2024-11-08 17:55:37,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 17:55:37,585 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:55:37,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:37,587 INFO L225 Difference]: With dead ends: 549 [2024-11-08 17:55:37,587 INFO L226 Difference]: Without dead ends: 333 [2024-11-08 17:55:37,590 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1436 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=283, Invalid=3877, Unknown=0, NotChecked=0, Total=4160 [2024-11-08 17:55:37,592 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 217 mSDsluCounter, 1501 mSDsCounter, 0 mSdLazyCounter, 1213 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 1730 SdHoareTripleChecker+Invalid, 1218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:37,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 1730 Invalid, 1218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1213 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-08 17:55:37,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2024-11-08 17:55:37,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 217. [2024-11-08 17:55:37,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 194 states have (on average 1.4329896907216495) internal successors, (278), 195 states have internal predecessors, (278), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:55:37,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 318 transitions. [2024-11-08 17:55:37,606 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 318 transitions. Word has length 129 [2024-11-08 17:55:37,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:37,607 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 318 transitions. [2024-11-08 17:55:37,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:37,607 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 318 transitions. [2024-11-08 17:55:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:55:37,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:37,609 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:37,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:55:37,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:37,810 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:37,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:37,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1516857318, now seen corresponding path program 1 times [2024-11-08 17:55:37,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:37,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188351447] [2024-11-08 17:55:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:37,811 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 17:55:37,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:37,814 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:37,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:38,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 17:55:38,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:41,437 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 34 treesize of output 22 [2024-11-08 17:55:41,443 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 30 treesize of output 18 [2024-11-08 17:55:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 316 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-08 17:55:41,959 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:42,491 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:55:42,491 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:42,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188351447] [2024-11-08 17:55:42,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188351447] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:42,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:42,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [23] total 27 [2024-11-08 17:55:42,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145679593] [2024-11-08 17:55:42,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:42,493 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:55:42,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:42,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:55:42,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=618, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:55:42,494 INFO L87 Difference]: Start difference. First operand 217 states and 318 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:43,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:55:43,231 INFO L93 Difference]: Finished difference Result 483 states and 700 transitions. [2024-11-08 17:55:43,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:55:43,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:55:43,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:55:43,235 INFO L225 Difference]: With dead ends: 483 [2024-11-08 17:55:43,235 INFO L226 Difference]: Without dead ends: 269 [2024-11-08 17:55:43,236 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2024-11-08 17:55:43,237 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 87 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 675 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:55:43,237 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 675 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:55:43,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-11-08 17:55:43,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 179. [2024-11-08 17:55:43,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 160 states have (on average 1.425) internal successors, (228), 160 states have internal predecessors, (228), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:55:43,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 260 transitions. [2024-11-08 17:55:43,246 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 260 transitions. Word has length 129 [2024-11-08 17:55:43,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:55:43,247 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 260 transitions. [2024-11-08 17:55:43,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:55:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 260 transitions. [2024-11-08 17:55:43,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:55:43,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:55:43,249 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:55:43,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:55:43,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:43,449 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:55:43,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:55:43,450 INFO L85 PathProgramCache]: Analyzing trace with hash -2098051608, now seen corresponding path program 1 times [2024-11-08 17:55:43,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:55:43,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919332937] [2024-11-08 17:55:43,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:55:43,450 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 17:55:43,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:55:43,454 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:55:43,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Waiting until timeout for monitored process [2024-11-08 17:55:43,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:55:44,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-08 17:55:44,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:55:50,332 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 37 treesize of output 33 [2024-11-08 17:55:51,103 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 17:55:51,430 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 23 treesize of output 19 [2024-11-08 17:55:51,445 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 17:55:52,255 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 67 [2024-11-08 17:55:52,266 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 94 treesize of output 70 [2024-11-08 17:55:52,278 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 45 treesize of output 33 [2024-11-08 17:55:53,259 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 94 treesize of output 70 [2024-11-08 17:55:54,222 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 338 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 17:55:54,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:55:55,820 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 30 treesize of output 26 [2024-11-08 17:55:58,051 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:55:58,052 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:55:58,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919332937] [2024-11-08 17:55:58,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919332937] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:55:58,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:55:58,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [39] total 49 [2024-11-08 17:55:58,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374394931] [2024-11-08 17:55:58,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:55:58,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:55:58,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:55:58,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:55:58,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2165, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 17:55:58,055 INFO L87 Difference]: Start difference. First operand 179 states and 260 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:06,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:06,292 INFO L93 Difference]: Finished difference Result 472 states and 685 transitions. [2024-11-08 17:56:06,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:56:06,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:56:06,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:06,294 INFO L225 Difference]: With dead ends: 472 [2024-11-08 17:56:06,294 INFO L226 Difference]: Without dead ends: 296 [2024-11-08 17:56:06,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=248, Invalid=2722, Unknown=0, NotChecked=0, Total=2970 [2024-11-08 17:56:06,296 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 385 mSDsluCounter, 1427 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 861 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:06,296 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1656 Invalid, 861 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2024-11-08 17:56:06,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2024-11-08 17:56:06,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 183. [2024-11-08 17:56:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 164 states have (on average 1.420731707317073) internal successors, (233), 164 states have internal predecessors, (233), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:56:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 265 transitions. [2024-11-08 17:56:06,304 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 265 transitions. Word has length 129 [2024-11-08 17:56:06,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:06,304 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 265 transitions. [2024-11-08 17:56:06,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:06,305 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 265 transitions. [2024-11-08 17:56:06,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-08 17:56:06,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:06,306 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:06,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:56:06,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:06,507 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:06,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:06,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1610109674, now seen corresponding path program 1 times [2024-11-08 17:56:06,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:56:06,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1454062655] [2024-11-08 17:56:06,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:06,508 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 17:56:06,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:56:06,509 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:06,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:07,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-11-08 17:56:07,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:13,141 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 37 treesize of output 33 [2024-11-08 17:56:13,826 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 17:56:14,153 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 19 [2024-11-08 17:56:14,165 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 17:56:14,947 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 60 treesize of output 44 [2024-11-08 17:56:14,955 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 89 treesize of output 69 [2024-11-08 17:56:14,962 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 52 [2024-11-08 17:56:16,376 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 84 [2024-11-08 17:56:26,912 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 338 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 17:56:26,912 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:56:29,525 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 30 treesize of output 26 [2024-11-08 17:56:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:56:33,045 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:56:33,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1454062655] [2024-11-08 17:56:33,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1454062655] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:56:33,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:56:33,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [39] total 49 [2024-11-08 17:56:33,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392397121] [2024-11-08 17:56:33,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:33,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:56:33,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:56:33,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:56:33,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=2165, Unknown=0, NotChecked=0, Total=2352 [2024-11-08 17:56:33,048 INFO L87 Difference]: Start difference. First operand 183 states and 265 transitions. Second operand has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:46,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:46,721 INFO L93 Difference]: Finished difference Result 480 states and 694 transitions. [2024-11-08 17:56:46,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 17:56:46,722 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 129 [2024-11-08 17:56:46,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:46,724 INFO L225 Difference]: With dead ends: 480 [2024-11-08 17:56:46,724 INFO L226 Difference]: Without dead ends: 300 [2024-11-08 17:56:46,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1013 ImplicationChecksByTransitivity, 24.5s TimeCoverageRelationStatistics Valid=248, Invalid=2722, Unknown=0, NotChecked=0, Total=2970 [2024-11-08 17:56:46,726 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 207 mSDsluCounter, 1710 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 1087 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:46,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 1963 Invalid, 1087 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1087 Invalid, 0 Unknown, 0 Unchecked, 10.3s Time] [2024-11-08 17:56:46,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-08 17:56:46,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 181. [2024-11-08 17:56:46,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 162 states have (on average 1.4197530864197532) internal successors, (230), 162 states have internal predecessors, (230), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:56:46,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 262 transitions. [2024-11-08 17:56:46,734 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 262 transitions. Word has length 129 [2024-11-08 17:56:46,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:46,734 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 262 transitions. [2024-11-08 17:56:46,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.333333333333333) internal successors, (52), 12 states have internal predecessors, (52), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:46,735 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 262 transitions. [2024-11-08 17:56:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:56:46,736 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:46,736 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:46,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:56:46,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:46,937 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:46,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash 506026992, now seen corresponding path program 1 times [2024-11-08 17:56:46,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:56:46,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1804049610] [2024-11-08 17:56:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:46,938 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 17:56:46,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:56:46,939 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:46,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:47,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-08 17:56:47,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:47,431 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 17 treesize of output 13 [2024-11-08 17:56:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:56:47,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:56:47,556 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:56:47,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1804049610] [2024-11-08 17:56:47,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1804049610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:56:47,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:56:47,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 17:56:47,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050196431] [2024-11-08 17:56:47,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:47,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:56:47,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:56:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:56:47,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:56:47,558 INFO L87 Difference]: Start difference. First operand 181 states and 262 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:56:48,393 INFO L93 Difference]: Finished difference Result 228 states and 323 transitions. [2024-11-08 17:56:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:56:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2024-11-08 17:56:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:56:48,395 INFO L225 Difference]: With dead ends: 228 [2024-11-08 17:56:48,395 INFO L226 Difference]: Without dead ends: 226 [2024-11-08 17:56:48,395 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:56:48,396 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 246 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:56:48,396 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 762 Invalid, 238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 17:56:48,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-08 17:56:48,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 204. [2024-11-08 17:56:48,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.4) internal successors, (259), 185 states have internal predecessors, (259), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:56:48,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 291 transitions. [2024-11-08 17:56:48,405 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 291 transitions. Word has length 130 [2024-11-08 17:56:48,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:56:48,405 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 291 transitions. [2024-11-08 17:56:48,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:56:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 291 transitions. [2024-11-08 17:56:48,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:56:48,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:56:48,407 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:56:48,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:56:48,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:48,608 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:56:48,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:56:48,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1004354199, now seen corresponding path program 1 times [2024-11-08 17:56:48,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:56:48,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227349484] [2024-11-08 17:56:48,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:56:48,609 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 17:56:48,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:56:48,612 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:48,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:56:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:56:49,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 17:56:49,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:56:55,243 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 37 treesize of output 33 [2024-11-08 17:56:55,802 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 60 treesize of output 44 [2024-11-08 17:56:55,812 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 56 treesize of output 40 [2024-11-08 17:56:55,823 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 34 treesize of output 26 [2024-11-08 17:56:56,089 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 17:56:56,543 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 18 proven. 282 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 17:56:56,543 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:56:58,285 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:56:58,285 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:56:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227349484] [2024-11-08 17:56:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227349484] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:56:58,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:56:58,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [35] total 41 [2024-11-08 17:56:58,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918715030] [2024-11-08 17:56:58,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:56:58,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:56:58,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:56:58,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:56:58,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1509, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 17:56:58,295 INFO L87 Difference]: Start difference. First operand 204 states and 291 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:00,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:00,238 INFO L93 Difference]: Finished difference Result 465 states and 660 transitions. [2024-11-08 17:57:00,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:57:00,239 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2024-11-08 17:57:00,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:00,240 INFO L225 Difference]: With dead ends: 465 [2024-11-08 17:57:00,240 INFO L226 Difference]: Without dead ends: 264 [2024-11-08 17:57:00,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=150, Invalid=1830, Unknown=0, NotChecked=0, Total=1980 [2024-11-08 17:57:00,242 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 73 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:00,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 839 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 17:57:00,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-08 17:57:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 206. [2024-11-08 17:57:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 187 states have (on average 1.3957219251336899) internal successors, (261), 187 states have internal predecessors, (261), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:00,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 293 transitions. [2024-11-08 17:57:00,251 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 293 transitions. Word has length 130 [2024-11-08 17:57:00,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:00,252 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 293 transitions. [2024-11-08 17:57:00,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:00,252 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 293 transitions. [2024-11-08 17:57:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:57:00,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:00,253 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:00,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:00,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:00,454 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:00,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:00,455 INFO L85 PathProgramCache]: Analyzing trace with hash -4531173, now seen corresponding path program 1 times [2024-11-08 17:57:00,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:00,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394021368] [2024-11-08 17:57:00,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:00,456 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 17:57:00,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:00,461 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:00,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:00,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:00,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-08 17:57:01,005 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:07,521 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 37 treesize of output 33 [2024-11-08 17:57:07,923 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 17:57:08,216 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 23 treesize of output 19 [2024-11-08 17:57:08,227 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 17:57:09,025 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 88 treesize of output 68 [2024-11-08 17:57:09,034 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 80 treesize of output 60 [2024-11-08 17:57:09,048 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 34 treesize of output 26 [2024-11-08 17:57:09,919 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 50 [2024-11-08 17:57:11,097 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 338 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 17:57:11,097 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:12,258 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 29 treesize of output 25 [2024-11-08 17:57:14,161 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:14,162 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:14,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394021368] [2024-11-08 17:57:14,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394021368] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:14,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:14,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [38] total 47 [2024-11-08 17:57:14,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421949662] [2024-11-08 17:57:14,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:14,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:57:14,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:14,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:57:14,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=1992, Unknown=0, NotChecked=0, Total=2162 [2024-11-08 17:57:14,165 INFO L87 Difference]: Start difference. First operand 206 states and 293 transitions. Second operand has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:22,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:22,889 INFO L93 Difference]: Finished difference Result 555 states and 785 transitions. [2024-11-08 17:57:22,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:57:22,891 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2024-11-08 17:57:22,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:22,892 INFO L225 Difference]: With dead ends: 555 [2024-11-08 17:57:22,892 INFO L226 Difference]: Without dead ends: 352 [2024-11-08 17:57:22,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 936 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=224, Invalid=2532, Unknown=0, NotChecked=0, Total=2756 [2024-11-08 17:57:22,894 INFO L432 NwaCegarLoop]: 256 mSDtfsCounter, 193 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 1106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 1998 SdHoareTripleChecker+Invalid, 1106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:22,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 1998 Invalid, 1106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1106 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2024-11-08 17:57:22,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-08 17:57:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 222. [2024-11-08 17:57:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 203 states have (on average 1.4088669950738917) internal successors, (286), 203 states have internal predecessors, (286), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:22,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 318 transitions. [2024-11-08 17:57:22,906 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 318 transitions. Word has length 130 [2024-11-08 17:57:22,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:22,907 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 318 transitions. [2024-11-08 17:57:22,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.818181818181818) internal successors, (53), 11 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 318 transitions. [2024-11-08 17:57:22,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-08 17:57:22,912 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:22,912 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:22,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:23,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:23,113 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:23,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:23,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1015648423, now seen corresponding path program 1 times [2024-11-08 17:57:23,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:23,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378311117] [2024-11-08 17:57:23,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:23,114 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 17:57:23,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:23,115 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:23,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:23,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-11-08 17:57:23,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:29,752 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 37 treesize of output 33 [2024-11-08 17:57:30,349 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 60 treesize of output 44 [2024-11-08 17:57:30,356 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 56 treesize of output 40 [2024-11-08 17:57:30,367 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 34 treesize of output 26 [2024-11-08 17:57:30,622 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 17:57:31,094 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 24 proven. 338 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-11-08 17:57:31,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:32,981 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:32,981 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:32,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378311117] [2024-11-08 17:57:32,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [378311117] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:32,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:32,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [35] total 41 [2024-11-08 17:57:32,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186015118] [2024-11-08 17:57:32,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:32,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:57:32,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:32,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:57:32,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1509, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 17:57:32,984 INFO L87 Difference]: Start difference. First operand 222 states and 318 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:35,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:35,387 INFO L93 Difference]: Finished difference Result 501 states and 713 transitions. [2024-11-08 17:57:35,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:57:35,388 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 130 [2024-11-08 17:57:35,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:35,389 INFO L225 Difference]: With dead ends: 501 [2024-11-08 17:57:35,389 INFO L226 Difference]: Without dead ends: 282 [2024-11-08 17:57:35,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 658 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=150, Invalid=1830, Unknown=0, NotChecked=0, Total=1980 [2024-11-08 17:57:35,390 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 73 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 1163 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:35,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 1163 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 17:57:35,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-08 17:57:35,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 204. [2024-11-08 17:57:35,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.3945945945945946) internal successors, (258), 185 states have internal predecessors, (258), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:35,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 290 transitions. [2024-11-08 17:57:35,399 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 290 transitions. Word has length 130 [2024-11-08 17:57:35,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:35,400 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 290 transitions. [2024-11-08 17:57:35,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 290 transitions. [2024-11-08 17:57:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:57:35,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:35,401 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:35,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:35,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:35,602 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:35,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:35,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1546388109, now seen corresponding path program 1 times [2024-11-08 17:57:35,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:35,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170861401] [2024-11-08 17:57:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:35,603 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 17:57:35,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:35,604 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:35,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:36,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:57:36,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:37,113 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 17:57:37,121 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 35 treesize of output 27 [2024-11-08 17:57:37,128 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 30 treesize of output 22 [2024-11-08 17:57:37,138 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 19 [2024-11-08 17:57:41,270 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-08 17:57:41,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:41,989 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:41,990 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:41,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170861401] [2024-11-08 17:57:41,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170861401] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:41,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:41,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-08 17:57:41,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118500310] [2024-11-08 17:57:41,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:41,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:57:41,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:41,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:57:41,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=65, Unknown=1, NotChecked=0, Total=90 [2024-11-08 17:57:41,992 INFO L87 Difference]: Start difference. First operand 204 states and 290 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:43,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:43,102 INFO L93 Difference]: Finished difference Result 427 states and 607 transitions. [2024-11-08 17:57:43,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:57:43,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:57:43,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:43,105 INFO L225 Difference]: With dead ends: 427 [2024-11-08 17:57:43,105 INFO L226 Difference]: Without dead ends: 226 [2024-11-08 17:57:43,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=30, Invalid=79, Unknown=1, NotChecked=0, Total=110 [2024-11-08 17:57:43,107 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 61 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:43,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 516 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-08 17:57:43,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-08 17:57:43,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 204. [2024-11-08 17:57:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.3891891891891892) internal successors, (257), 185 states have internal predecessors, (257), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 289 transitions. [2024-11-08 17:57:43,118 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 289 transitions. Word has length 131 [2024-11-08 17:57:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:43,119 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 289 transitions. [2024-11-08 17:57:43,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 289 transitions. [2024-11-08 17:57:43,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-08 17:57:43,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:43,121 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:43,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:57:43,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:43,322 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:43,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:43,323 INFO L85 PathProgramCache]: Analyzing trace with hash 543234355, now seen corresponding path program 1 times [2024-11-08 17:57:43,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:43,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [741927601] [2024-11-08 17:57:43,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:43,323 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 17:57:43,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:43,326 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:43,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:43,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:43,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:57:43,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:45,149 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 26 [2024-11-08 17:57:45,154 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 17:57:45,525 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:57:45,525 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:45,942 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:45,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [741927601] [2024-11-08 17:57:45,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [741927601] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:45,942 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:45,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-08 17:57:45,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816112776] [2024-11-08 17:57:45,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:45,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:57:45,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:45,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:57:45,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:57:45,944 INFO L87 Difference]: Start difference. First operand 204 states and 289 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:46,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:46,467 INFO L93 Difference]: Finished difference Result 447 states and 632 transitions. [2024-11-08 17:57:46,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:57:46,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 131 [2024-11-08 17:57:46,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:46,470 INFO L225 Difference]: With dead ends: 447 [2024-11-08 17:57:46,470 INFO L226 Difference]: Without dead ends: 246 [2024-11-08 17:57:46,471 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:57:46,471 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 69 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:46,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 640 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:57:46,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2024-11-08 17:57:46,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 204. [2024-11-08 17:57:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.3783783783783783) internal successors, (255), 185 states have internal predecessors, (255), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:46,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 287 transitions. [2024-11-08 17:57:46,480 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 287 transitions. Word has length 131 [2024-11-08 17:57:46,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:46,481 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 287 transitions. [2024-11-08 17:57:46,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:46,481 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 287 transitions. [2024-11-08 17:57:46,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:57:46,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:46,483 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:46,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:46,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:46,683 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:46,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:46,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1175497964, now seen corresponding path program 1 times [2024-11-08 17:57:46,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:46,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [212659552] [2024-11-08 17:57:46,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:46,685 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 17:57:46,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:46,686 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:46,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:47,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:57:47,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:48,768 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 17:57:48,773 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 17:57:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 14 proven. 102 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-08 17:57:49,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:49,599 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:49,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [212659552] [2024-11-08 17:57:49,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [212659552] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:49,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:49,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 18 [2024-11-08 17:57:49,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833468197] [2024-11-08 17:57:49,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:49,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:57:49,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:49,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:57:49,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:57:49,601 INFO L87 Difference]: Start difference. First operand 204 states and 287 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:50,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:50,176 INFO L93 Difference]: Finished difference Result 433 states and 608 transitions. [2024-11-08 17:57:50,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:57:50,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-11-08 17:57:50,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:50,178 INFO L225 Difference]: With dead ends: 433 [2024-11-08 17:57:50,179 INFO L226 Difference]: Without dead ends: 232 [2024-11-08 17:57:50,179 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-08 17:57:50,179 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 58 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:50,180 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 525 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:57:50,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2024-11-08 17:57:50,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 204. [2024-11-08 17:57:50,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.3675675675675676) internal successors, (253), 185 states have internal predecessors, (253), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:50,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 285 transitions. [2024-11-08 17:57:50,198 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 285 transitions. Word has length 132 [2024-11-08 17:57:50,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:50,198 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 285 transitions. [2024-11-08 17:57:50,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:50,199 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 285 transitions. [2024-11-08 17:57:50,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-08 17:57:50,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:50,200 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:50,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:57:50,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:50,401 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:50,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:50,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1669426043, now seen corresponding path program 1 times [2024-11-08 17:57:50,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:50,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1765835565] [2024-11-08 17:57:50,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:50,403 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 17:57:50,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:50,404 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:50,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:50,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:57:50,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:52,004 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 38 treesize of output 30 [2024-11-08 17:57:52,012 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 34 treesize of output 26 [2024-11-08 17:57:52,019 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 17:57:52,028 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 17:57:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-08 17:57:52,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:53,328 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:53,328 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:53,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1765835565] [2024-11-08 17:57:53,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1765835565] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:53,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:53,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2024-11-08 17:57:53,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097027360] [2024-11-08 17:57:53,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:53,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:57:53,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:53,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:57:53,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:57:53,331 INFO L87 Difference]: Start difference. First operand 204 states and 285 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:53,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:53,979 INFO L93 Difference]: Finished difference Result 413 states and 575 transitions. [2024-11-08 17:57:53,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:57:53,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 132 [2024-11-08 17:57:53,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:53,982 INFO L225 Difference]: With dead ends: 413 [2024-11-08 17:57:53,982 INFO L226 Difference]: Without dead ends: 212 [2024-11-08 17:57:53,983 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:57:53,984 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 38 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:53,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 407 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:57:53,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-08 17:57:53,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 204. [2024-11-08 17:57:53,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 185 states have (on average 1.3621621621621622) internal successors, (252), 185 states have internal predecessors, (252), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:53,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 284 transitions. [2024-11-08 17:57:53,996 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 284 transitions. Word has length 132 [2024-11-08 17:57:53,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:53,996 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 284 transitions. [2024-11-08 17:57:53,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:53,997 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 284 transitions. [2024-11-08 17:57:53,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-08 17:57:53,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:53,999 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:54,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:54,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:54,200 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:54,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1685194722, now seen corresponding path program 1 times [2024-11-08 17:57:54,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:54,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [496378793] [2024-11-08 17:57:54,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:54,202 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 17:57:54,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:54,206 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:54,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:54,858 INFO L255 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 17:57:54,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:55,116 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 17:57:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 17:57:55,325 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:55,623 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:55,624 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:55,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [496378793] [2024-11-08 17:57:55,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [496378793] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:55,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:55,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-11-08 17:57:55,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870784024] [2024-11-08 17:57:55,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:55,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:57:55,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:55,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:57:55,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 17:57:55,627 INFO L87 Difference]: Start difference. First operand 204 states and 284 transitions. Second operand has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:56,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:56,278 INFO L93 Difference]: Finished difference Result 270 states and 364 transitions. [2024-11-08 17:57:56,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:57:56,279 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 133 [2024-11-08 17:57:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:56,281 INFO L225 Difference]: With dead ends: 270 [2024-11-08 17:57:56,281 INFO L226 Difference]: Without dead ends: 268 [2024-11-08 17:57:56,282 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:57:56,283 INFO L432 NwaCegarLoop]: 187 mSDtfsCounter, 58 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:56,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 1232 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 17:57:56,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-08 17:57:56,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 231. [2024-11-08 17:57:56,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 212 states have (on average 1.3349056603773586) internal successors, (283), 212 states have internal predecessors, (283), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-08 17:57:56,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 315 transitions. [2024-11-08 17:57:56,298 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 315 transitions. Word has length 133 [2024-11-08 17:57:56,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:56,298 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 315 transitions. [2024-11-08 17:57:56,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:56,303 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 315 transitions. [2024-11-08 17:57:56,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:57:56,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:56,304 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:56,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:56,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:56,505 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:56,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:56,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1311472987, now seen corresponding path program 1 times [2024-11-08 17:57:56,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:56,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1009575145] [2024-11-08 17:57:56,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:56,506 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 17:57:56,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:56,508 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:56,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:57,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:57,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:57:57,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:57:57,291 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 17:57:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-11-08 17:57:57,451 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:57:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:57:57,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:57:57,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1009575145] [2024-11-08 17:57:57,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1009575145] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:57:57,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:57:57,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 10 [2024-11-08 17:57:57,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266832601] [2024-11-08 17:57:57,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:57:57,686 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:57:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:57:57,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:57:57,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:57:57,688 INFO L87 Difference]: Start difference. First operand 231 states and 315 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:58,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:57:58,251 INFO L93 Difference]: Finished difference Result 580 states and 788 transitions. [2024-11-08 17:57:58,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:57:58,256 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 17:57:58,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:57:58,258 INFO L225 Difference]: With dead ends: 580 [2024-11-08 17:57:58,258 INFO L226 Difference]: Without dead ends: 352 [2024-11-08 17:57:58,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:57:58,261 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 74 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:57:58,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1213 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:57:58,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-08 17:57:58,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 349. [2024-11-08 17:57:58,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 327 states have (on average 1.3302752293577982) internal successors, (435), 328 states have internal predecessors, (435), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-08 17:57:58,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 471 transitions. [2024-11-08 17:57:58,282 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 471 transitions. Word has length 135 [2024-11-08 17:57:58,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:57:58,283 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 471 transitions. [2024-11-08 17:57:58,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:57:58,283 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 471 transitions. [2024-11-08 17:57:58,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:57:58,285 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:57:58,285 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:57:58,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:58,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:58,487 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:57:58,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:57:58,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1991531357, now seen corresponding path program 1 times [2024-11-08 17:57:58,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:57:58,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1888461797] [2024-11-08 17:57:58,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:57:58,489 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 17:57:58,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:57:58,492 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:58,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:57:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:57:59,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 17:57:59,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:58:08,587 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 92 treesize of output 56 [2024-11-08 17:58:08,598 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 80 treesize of output 44 [2024-11-08 17:58:11,147 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 17:58:15,310 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 17:58:15,310 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:58:33,286 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 17:58:33,286 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 113 treesize of output 88 [2024-11-08 17:58:45,715 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:58:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1888461797] [2024-11-08 17:58:45,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1888461797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:58:45,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22691563] [2024-11-08 17:58:45,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:58:45,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:58:45,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:58:45,717 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:58:45,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 17:58:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:58:46,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 17:58:46,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:59:01,831 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 105 treesize of output 81 [2024-11-08 17:59:01,841 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 17:59:05,949 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 83 treesize of output 47 [2024-11-08 17:59:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 17:59:09,924 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:59:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 17:59:27,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22691563] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:59:27,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:59:27,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 10] total 31 [2024-11-08 17:59:27,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64778641] [2024-11-08 17:59:27,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:59:27,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 17:59:27,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:59:27,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 17:59:27,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=1281, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 17:59:27,605 INFO L87 Difference]: Start difference. First operand 349 states and 471 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:59:48,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:59:48,737 INFO L93 Difference]: Finished difference Result 851 states and 1143 transitions. [2024-11-08 17:59:48,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:59:48,742 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 17:59:48,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:59:48,745 INFO L225 Difference]: With dead ends: 851 [2024-11-08 17:59:48,746 INFO L226 Difference]: Without dead ends: 505 [2024-11-08 17:59:48,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 78.0s TimeCoverageRelationStatistics Valid=148, Invalid=1492, Unknown=0, NotChecked=0, Total=1640 [2024-11-08 17:59:48,748 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 96 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:59:48,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 1003 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 11.3s Time] [2024-11-08 17:59:48,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2024-11-08 17:59:48,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 502. [2024-11-08 17:59:48,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 467 states have (on average 1.3147751605995717) internal successors, (614), 470 states have internal predecessors, (614), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 25 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 17:59:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 670 transitions. [2024-11-08 17:59:48,776 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 670 transitions. Word has length 135 [2024-11-08 17:59:48,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:59:48,776 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 670 transitions. [2024-11-08 17:59:48,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 17:59:48,777 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 670 transitions. [2024-11-08 17:59:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 17:59:48,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:59:48,779 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:59:48,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-08 17:59:48,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 17:59:49,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:59:49,183 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:59:49,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:59:49,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1602371361, now seen corresponding path program 1 times [2024-11-08 17:59:49,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:59:49,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980666495] [2024-11-08 17:59:49,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:59:49,184 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 17:59:49,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:59:49,186 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:59:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 17:59:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:59:49,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 17:59:49,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:59:57,238 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 17:59:57,274 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 17:59:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 17:59:57,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:00:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:00:13,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:00:13,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980666495] [2024-11-08 18:00:13,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980666495] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:00:13,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:00:13,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-08 18:00:13,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143942781] [2024-11-08 18:00:13,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:00:13,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:00:13,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:00:13,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:00:13,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-08 18:00:13,157 INFO L87 Difference]: Start difference. First operand 502 states and 670 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:00:35,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:00:35,194 INFO L93 Difference]: Finished difference Result 1123 states and 1497 transitions. [2024-11-08 18:00:35,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 18:00:35,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 18:00:35,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:00:35,208 INFO L225 Difference]: With dead ends: 1123 [2024-11-08 18:00:35,208 INFO L226 Difference]: Without dead ends: 629 [2024-11-08 18:00:35,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 18.2s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-08 18:00:35,209 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 166 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:00:35,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 590 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 18.4s Time] [2024-11-08 18:00:35,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2024-11-08 18:00:35,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 589. [2024-11-08 18:00:35,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 551 states have (on average 1.3121597096188748) internal successors, (723), 554 states have internal predecessors, (723), 30 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 18:00:35,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 783 transitions. [2024-11-08 18:00:35,237 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 783 transitions. Word has length 135 [2024-11-08 18:00:35,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:00:35,237 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 783 transitions. [2024-11-08 18:00:35,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:00:35,238 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 783 transitions. [2024-11-08 18:00:35,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:00:35,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:00:35,240 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:00:35,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 18:00:35,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:00:35,441 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:00:35,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:00:35,441 INFO L85 PathProgramCache]: Analyzing trace with hash -377470755, now seen corresponding path program 1 times [2024-11-08 18:00:35,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:00:35,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [704613058] [2024-11-08 18:00:35,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:00:35,442 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 18:00:35,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:00:35,446 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:00:35,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:00:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:00:36,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 18:00:36,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:00:47,321 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 92 treesize of output 56 [2024-11-08 18:00:47,336 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 80 treesize of output 44 [2024-11-08 18:00:49,756 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 18:00:53,245 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 18:00:53,245 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:01:13,176 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 18:01:13,176 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 113 treesize of output 88 [2024-11-08 18:01:24,783 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:01:24,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [704613058] [2024-11-08 18:01:24,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [704613058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:01:24,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1596433291] [2024-11-08 18:01:24,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:01:24,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:01:24,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:01:24,786 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:01:24,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-08 18:01:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:01:25,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:01:25,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:01:45,600 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 106 treesize of output 82 [2024-11-08 18:01:45,611 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 82 treesize of output 58 [2024-11-08 18:02:08,309 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 84 treesize of output 48 [2024-11-08 18:02:15,564 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:02:15,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:02:27,706 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:02:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1596433291] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:02:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:02:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16, 10] total 31 [2024-11-08 18:02:27,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293044738] [2024-11-08 18:02:27,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:02:27,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:02:27,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:02:27,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:02:27,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=1065, Unknown=2, NotChecked=0, Total=1190 [2024-11-08 18:02:27,708 INFO L87 Difference]: Start difference. First operand 589 states and 783 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:02:44,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:02:44,675 INFO L93 Difference]: Finished difference Result 1203 states and 1596 transitions. [2024-11-08 18:02:44,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:02:44,681 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 18:02:44,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:02:44,684 INFO L225 Difference]: With dead ends: 1203 [2024-11-08 18:02:44,684 INFO L226 Difference]: Without dead ends: 617 [2024-11-08 18:02:44,685 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 93.8s TimeCoverageRelationStatistics Valid=153, Invalid=1251, Unknown=2, NotChecked=0, Total=1406 [2024-11-08 18:02:44,686 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 234 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:02:44,686 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 966 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 9.0s Time] [2024-11-08 18:02:44,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2024-11-08 18:02:44,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 589. [2024-11-08 18:02:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 589 states, 551 states have (on average 1.306715063520871) internal successors, (720), 554 states have internal predecessors, (720), 30 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 18:02:44,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 780 transitions. [2024-11-08 18:02:44,721 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 780 transitions. Word has length 135 [2024-11-08 18:02:44,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:02:44,722 INFO L471 AbstractCegarLoop]: Abstraction has 589 states and 780 transitions. [2024-11-08 18:02:44,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:02:44,722 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 780 transitions. [2024-11-08 18:02:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:02:44,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:02:44,724 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:02:44,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:44,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-08 18:02:45,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:02:45,125 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:02:45,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:02:45,125 INFO L85 PathProgramCache]: Analyzing trace with hash 302587615, now seen corresponding path program 1 times [2024-11-08 18:02:45,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:02:45,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593595197] [2024-11-08 18:02:45,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:02:45,126 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 18:02:45,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:02:45,127 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:45,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:02:45,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 18:02:45,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:02:45,808 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 18:02:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:02:46,062 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:02:46,062 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:02:46,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593595197] [2024-11-08 18:02:46,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593595197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:02:46,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:02:46,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 18:02:46,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765992141] [2024-11-08 18:02:46,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:02:46,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:02:46,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:02:46,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:02:46,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-08 18:02:46,064 INFO L87 Difference]: Start difference. First operand 589 states and 780 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:02:46,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:02:46,619 INFO L93 Difference]: Finished difference Result 1304 states and 1728 transitions. [2024-11-08 18:02:46,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:02:46,620 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 18:02:46,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:02:46,624 INFO L225 Difference]: With dead ends: 1304 [2024-11-08 18:02:46,624 INFO L226 Difference]: Without dead ends: 718 [2024-11-08 18:02:46,625 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-08 18:02:46,626 INFO L432 NwaCegarLoop]: 300 mSDtfsCounter, 144 mSDsluCounter, 1313 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 1613 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 18:02:46,626 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 1613 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 18:02:46,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2024-11-08 18:02:46,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 592. [2024-11-08 18:02:46,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 554 states have (on average 1.2996389891696751) internal successors, (720), 557 states have internal predecessors, (720), 30 states have call successors, (30), 7 states have call predecessors, (30), 7 states have return successors, (30), 27 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-08 18:02:46,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 780 transitions. [2024-11-08 18:02:46,672 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 780 transitions. Word has length 135 [2024-11-08 18:02:46,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:02:46,672 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 780 transitions. [2024-11-08 18:02:46,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:02:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 780 transitions. [2024-11-08 18:02:46,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:02:46,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:02:46,675 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:02:46,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:46,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:46,876 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:02:46,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:02:46,877 INFO L85 PathProgramCache]: Analyzing trace with hash -1880734113, now seen corresponding path program 1 times [2024-11-08 18:02:46,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:02:46,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794251810] [2024-11-08 18:02:46,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:02:46,878 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 18:02:46,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:02:46,881 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:46,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:02:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:02:47,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-08 18:02:47,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:02:54,142 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 18:02:54,400 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 106 treesize of output 58 [2024-11-08 18:02:54,630 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 18:02:54,630 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:03:14,143 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:03:14,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794251810] [2024-11-08 18:03:14,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794251810] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:03:14,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353911685] [2024-11-08 18:03:14,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:03:14,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:03:14,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:03:14,145 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:03:14,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-08 18:03:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:03:14,743 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 18:03:14,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:03:30,626 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-08 18:03:30,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:04:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:04:11,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353911685] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:04:11,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:04:11,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11, 12] total 28 [2024-11-08 18:04:11,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059557455] [2024-11-08 18:04:11,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:04:11,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:04:11,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:04:11,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:04:11,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=851, Unknown=1, NotChecked=0, Total=930 [2024-11-08 18:04:11,943 INFO L87 Difference]: Start difference. First operand 592 states and 780 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:05:03,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:05:03,781 INFO L93 Difference]: Finished difference Result 1229 states and 1614 transitions. [2024-11-08 18:05:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:05:03,791 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 18:05:03,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:05:03,795 INFO L225 Difference]: With dead ends: 1229 [2024-11-08 18:05:03,796 INFO L226 Difference]: Without dead ends: 640 [2024-11-08 18:05:03,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 400 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 91.4s TimeCoverageRelationStatistics Valid=99, Invalid=1022, Unknown=1, NotChecked=0, Total=1122 [2024-11-08 18:05:03,797 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 246 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2024-11-08 18:05:03,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 807 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 23.8s Time] [2024-11-08 18:05:03,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2024-11-08 18:05:03,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 544. [2024-11-08 18:05:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 509 states have (on average 1.300589390962672) internal successors, (662), 511 states have internal predecessors, (662), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:05:03,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 718 transitions. [2024-11-08 18:05:03,831 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 718 transitions. Word has length 135 [2024-11-08 18:05:03,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:05:03,831 INFO L471 AbstractCegarLoop]: Abstraction has 544 states and 718 transitions. [2024-11-08 18:05:03,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:05:03,832 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 718 transitions. [2024-11-08 18:05:03,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:05:03,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:05:03,833 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:05:03,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-11-08 18:05:04,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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)] Ended with exit code 0 [2024-11-08 18:05:04,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:05:04,235 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:05:04,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:05:04,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1179669535, now seen corresponding path program 1 times [2024-11-08 18:05:04,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:05:04,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1531045486] [2024-11-08 18:05:04,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:04,237 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 18:05:04,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:05:04,240 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:05:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:05:04,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:04,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 18:05:04,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:05:11,293 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 136 treesize of output 88 [2024-11-08 18:05:11,303 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 18:05:11,383 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2024-11-08 18:05:11,383 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:05:24,256 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:05:24,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1531045486] [2024-11-08 18:05:24,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1531045486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:05:24,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [707225008] [2024-11-08 18:05:24,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:05:24,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:05:24,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:05:24,258 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:05:24,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-08 18:05:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:05:24,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 18:05:24,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:05:39,457 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 103 treesize of output 79 [2024-11-08 18:05:39,467 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 55 [2024-11-08 18:05:42,788 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 46 [2024-11-08 18:05:46,470 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-11-08 18:05:46,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:06:05,481 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2024-11-08 18:06:05,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [707225008] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 18:06:05,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 18:06:05,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11, 10] total 26 [2024-11-08 18:06:05,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69544094] [2024-11-08 18:06:05,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:06:05,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 18:06:05,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:06:05,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 18:06:05,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=734, Unknown=0, NotChecked=0, Total=812 [2024-11-08 18:06:05,484 INFO L87 Difference]: Start difference. First operand 544 states and 718 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:06:23,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:06:23,792 INFO L93 Difference]: Finished difference Result 1144 states and 1503 transitions. [2024-11-08 18:06:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 18:06:23,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 135 [2024-11-08 18:06:23,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:06:23,803 INFO L225 Difference]: With dead ends: 1144 [2024-11-08 18:06:23,803 INFO L226 Difference]: Without dead ends: 603 [2024-11-08 18:06:23,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 402 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 52.3s TimeCoverageRelationStatistics Valid=102, Invalid=890, Unknown=0, NotChecked=0, Total=992 [2024-11-08 18:06:23,805 INFO L432 NwaCegarLoop]: 250 mSDtfsCounter, 160 mSDsluCounter, 730 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 980 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:06:23,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 980 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2024-11-08 18:06:23,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-08 18:06:23,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 526. [2024-11-08 18:06:23,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 491 states have (on average 1.2993890020366599) internal successors, (638), 493 states have internal predecessors, (638), 28 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 26 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-08 18:06:23,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 694 transitions. [2024-11-08 18:06:23,839 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 694 transitions. Word has length 135 [2024-11-08 18:06:23,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:06:23,840 INFO L471 AbstractCegarLoop]: Abstraction has 526 states and 694 transitions. [2024-11-08 18:06:23,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 states have internal predecessors, (58), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2024-11-08 18:06:23,840 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 694 transitions. [2024-11-08 18:06:23,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:06:23,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:06:23,842 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:06:23,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-08 18:06:24,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:06:24,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:06:24,244 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 18:06:24,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:06:24,244 INFO L85 PathProgramCache]: Analyzing trace with hash 45231071, now seen corresponding path program 1 times [2024-11-08 18:06:24,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:06:24,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429876526] [2024-11-08 18:06:24,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:06:24,245 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 18:06:24,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 18:06:24,249 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:06:24,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2eb9b11f-058b-401f-9738-cc45a3b3ac01/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 18:06:24,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:06:24,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 18:06:24,909 INFO L278 TraceCheckSpWp]: Computing forward predicates...