./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.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_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/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_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/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_7c331353-9e9a-4604-9b24-165926f3f0f7/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 e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:07:50,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:07:50,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 19:07:50,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:07:50,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:07:51,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:07:51,024 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:07:51,025 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:07:51,026 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:07:51,026 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:07:51,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:07:51,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:07:51,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:07:51,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:07:51,032 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:07:51,033 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:07:51,033 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:07:51,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:07:51,034 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:07:51,034 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:07:51,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:07:51,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:07:51,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:07:51,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:07:51,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:07:51,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:07:51,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:07:51,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:07:51,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:07:51,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:07:51,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:07:51,044 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:07:51,044 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:07:51,045 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:07:51,045 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:07:51,045 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:07:51,046 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:07:51,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:07:51,046 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:07:51,046 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:07:51,047 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:07:51,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:07:51,048 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_7c331353-9e9a-4604-9b24-165926f3f0f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 [2024-11-08 19:07:51,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:07:51,362 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:07:51,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:07:51,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:07:51,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:07:51,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i Unable to find full path for "g++" [2024-11-08 19:07:53,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:07:53,610 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:07:53,611 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-11-08 19:07:53,628 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/53586cfff/e2b20a78d80b43b0b40473bc04b13e96/FLAG19e3ab6cd [2024-11-08 19:07:53,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/53586cfff/e2b20a78d80b43b0b40473bc04b13e96 [2024-11-08 19:07:53,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:07:53,648 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:07:53,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:07:53,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:07:53,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:07:53,659 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:07:53" (1/1) ... [2024-11-08 19:07:53,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9e31e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:53, skipping insertion in model container [2024-11-08 19:07:53,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:07:53" (1/1) ... [2024-11-08 19:07:53,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:07:53,887 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_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-11-08 19:07:53,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:07:53,977 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:07:53,989 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_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-11-08 19:07:54,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:07:54,058 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:07:54,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54 WrapperNode [2024-11-08 19:07:54,059 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:07:54,060 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:07:54,061 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:07:54,061 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:07:54,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,086 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,128 INFO L138 Inliner]: procedures = 29, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 464 [2024-11-08 19:07:54,129 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:07:54,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:07:54,130 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:07:54,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:07:54,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,148 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,181 INFO L175 MemorySlicer]: Split 122 memory accesses to 16 slices as follows [2, 7, 10, 14, 16, 8, 4, 6, 8, 4, 8, 9, 6, 9, 3, 8]. 13 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1]. [2024-11-08 19:07:54,181 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,214 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,222 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:07:54,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:07:54,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:07:54,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:07:54,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (1/1) ... [2024-11-08 19:07:54,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:07:54,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:07:54,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:07:54,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:07:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:07:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-08 19:07:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-08 19:07:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-08 19:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-08 19:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-08 19:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-08 19:07:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-08 19:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-08 19:07:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-08 19:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-08 19:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-08 19:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-08 19:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-08 19:07:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-08 19:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2024-11-08 19:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2024-11-08 19:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 19:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 19:07:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 19:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-08 19:07:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-08 19:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-08 19:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-08 19:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-08 19:07:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-08 19:07:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-08 19:07:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-08 19:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-08 19:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-08 19:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-08 19:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-08 19:07:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-08 19:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-08 19:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-08 19:07:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 19:07:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-08 19:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-08 19:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-08 19:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-08 19:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-08 19:07:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-08 19:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-08 19:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-08 19:07:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-08 19:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-08 19:07:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-08 19:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-08 19:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-08 19:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-08 19:07:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-08 19:07:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-08 19:07:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-08 19:07:54,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-08 19:07:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-08 19:07:54,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-08 19:07:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-08 19:07:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-08 19:07:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-08 19:07:54,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#14 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#15 [2024-11-08 19:07:54,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:07:54,332 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 19:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 19:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-08 19:07:54,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-08 19:07:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-08 19:07:54,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-08 19:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-08 19:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-08 19:07:54,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-08 19:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-08 19:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-08 19:07:54,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-08 19:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-08 19:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-08 19:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-08 19:07:54,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:07:54,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:07:54,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:07:54,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:07:55,248 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-08 19:07:55,248 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:07:55,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:07:55,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:07:55,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:55 BoogieIcfgContainer [2024-11-08 19:07:55,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:07:55,274 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:07:55,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:07:55,278 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:07:55,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:07:53" (1/3) ... [2024-11-08 19:07:55,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdd42e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:07:55, skipping insertion in model container [2024-11-08 19:07:55,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:07:54" (2/3) ... [2024-11-08 19:07:55,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdd42e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:07:55, skipping insertion in model container [2024-11-08 19:07:55,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:55" (3/3) ... [2024-11-08 19:07:55,280 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-84.i [2024-11-08 19:07:55,300 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:07:55,300 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:07:55,367 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:07:55,373 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;@69683a79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:07:55,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:07:55,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:07:55,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:07:55,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:55,393 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:55,394 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:55,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:55,402 INFO L85 PathProgramCache]: Analyzing trace with hash 978504894, now seen corresponding path program 1 times [2024-11-08 19:07:55,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:55,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136989269] [2024-11-08 19:07:55,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:55,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:55,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:07:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:07:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:55,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:07:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:07:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:07:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:07:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:07:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:07:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:07:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:07:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:55,988 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:07:55,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:55,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136989269] [2024-11-08 19:07:55,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136989269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:55,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:55,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:07:55,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367849214] [2024-11-08 19:07:55,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:56,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:07:56,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:56,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:07:56,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:07:56,035 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:07:56,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:56,083 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-08 19:07:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:07:56,085 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-08 19:07:56,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:56,096 INFO L225 Difference]: With dead ends: 199 [2024-11-08 19:07:56,096 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 19:07:56,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 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 19:07:56,107 INFO L432 NwaCegarLoop]: 141 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, 141 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 19:07:56,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:56,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 19:07:56,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 19:07:56,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:07:56,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-08 19:07:56,169 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-11-08 19:07:56,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:56,170 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-08 19:07:56,170 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, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:07:56,170 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-08 19:07:56,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:07:56,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:56,181 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:56,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 19:07:56,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:56,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:56,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1086411042, now seen corresponding path program 1 times [2024-11-08 19:07:56,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:56,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050785001] [2024-11-08 19:07:56,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:56,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:56,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:07:56,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:07:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:07:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:07:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:07:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:07:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:07:56,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:07:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:07:56,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:07:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:07:56,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:56,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050785001] [2024-11-08 19:07:56,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050785001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:56,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:56,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:56,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205907930] [2024-11-08 19:07:56,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:56,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:56,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:56,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:56,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:56,814 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:07:56,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:56,877 INFO L93 Difference]: Finished difference Result 197 states and 282 transitions. [2024-11-08 19:07:56,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:56,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-08 19:07:56,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:56,885 INFO L225 Difference]: With dead ends: 197 [2024-11-08 19:07:56,886 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 19:07:56,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 19:07:56,889 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 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 19:07:56,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:56,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 19:07:56,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 19:07:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:07:56,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-08 19:07:56,918 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-11-08 19:07:56,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:56,920 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-08 19:07:56,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:07:56,920 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-08 19:07:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:07:56,923 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:56,923 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:56,923 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 19:07:56,923 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:56,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:56,924 INFO L85 PathProgramCache]: Analyzing trace with hash 384811168, now seen corresponding path program 1 times [2024-11-08 19:07:56,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:56,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476345411] [2024-11-08 19:07:56,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:56,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:57,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:57,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:57,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:07:57,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:07:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:57,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:07:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:07:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:07:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:07:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:07:57,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:07:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:07:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:07:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:07:57,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:57,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476345411] [2024-11-08 19:07:57,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476345411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:57,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:57,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:07:57,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678474043] [2024-11-08 19:07:57,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:57,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:07:57,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:57,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:07:57,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:07:57,312 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:07:57,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:57,357 INFO L93 Difference]: Finished difference Result 202 states and 287 transitions. [2024-11-08 19:07:57,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:07:57,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 19:07:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:57,360 INFO L225 Difference]: With dead ends: 202 [2024-11-08 19:07:57,360 INFO L226 Difference]: Without dead ends: 104 [2024-11-08 19:07:57,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 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 19:07:57,367 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:57,367 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 405 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:07:57,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-08 19:07:57,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2024-11-08 19:07:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 81 states have (on average 1.2962962962962963) internal successors, (105), 81 states have internal predecessors, (105), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:07:57,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 145 transitions. [2024-11-08 19:07:57,405 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 145 transitions. Word has length 150 [2024-11-08 19:07:57,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:57,408 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 145 transitions. [2024-11-08 19:07:57,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:07:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 145 transitions. [2024-11-08 19:07:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:07:57,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:57,415 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:57,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 19:07:57,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:57,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:57,416 INFO L85 PathProgramCache]: Analyzing trace with hash 386658210, now seen corresponding path program 1 times [2024-11-08 19:07:57,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:57,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185060586] [2024-11-08 19:07:57,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:57,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:57,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:57,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:57,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:07:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:07:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:57,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:07:57,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:07:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:07:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:07:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:07:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:07:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:07:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:07:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:07:57,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:57,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185060586] [2024-11-08 19:07:57,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185060586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:57,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:07:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600038707] [2024-11-08 19:07:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:57,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:07:57,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:57,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:07:57,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:07:57,967 INFO L87 Difference]: Start difference. First operand 103 states and 145 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:07:58,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:07:58,263 INFO L93 Difference]: Finished difference Result 330 states and 465 transitions. [2024-11-08 19:07:58,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:07:58,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 19:07:58,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:07:58,269 INFO L225 Difference]: With dead ends: 330 [2024-11-08 19:07:58,269 INFO L226 Difference]: Without dead ends: 230 [2024-11-08 19:07:58,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:07:58,275 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 209 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:07:58,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 483 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:07:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-08 19:07:58,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 203. [2024-11-08 19:07:58,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 160 states have (on average 1.2875) internal successors, (206), 160 states have internal predecessors, (206), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:07:58,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 286 transitions. [2024-11-08 19:07:58,317 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 286 transitions. Word has length 150 [2024-11-08 19:07:58,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:07:58,318 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 286 transitions. [2024-11-08 19:07:58,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 5 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:07:58,318 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 286 transitions. [2024-11-08 19:07:58,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 19:07:58,323 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:07:58,323 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:07:58,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 19:07:58,323 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:07:58,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:07:58,324 INFO L85 PathProgramCache]: Analyzing trace with hash 1745694528, now seen corresponding path program 1 times [2024-11-08 19:07:58,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:07:58,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407014280] [2024-11-08 19:07:58,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:07:58,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:07:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:07:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:07:59,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:07:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:07:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:07:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:07:59,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:07:59,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:07:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:07:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:07:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:07:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:07:59,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:07:59,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:07:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:07:59,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:07:59,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:07:59,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:07:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:07:59,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:07:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:07:59,780 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:07:59,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:07:59,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407014280] [2024-11-08 19:07:59,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407014280] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:07:59,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:07:59,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 19:07:59,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542211083] [2024-11-08 19:07:59,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:07:59,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:07:59,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:07:59,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:07:59,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:07:59,783 INFO L87 Difference]: Start difference. First operand 203 states and 286 transitions. Second operand has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:00,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:00,097 INFO L93 Difference]: Finished difference Result 493 states and 693 transitions. [2024-11-08 19:08:00,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:08:00,098 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-08 19:08:00,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:00,100 INFO L225 Difference]: With dead ends: 493 [2024-11-08 19:08:00,101 INFO L226 Difference]: Without dead ends: 293 [2024-11-08 19:08:00,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-08 19:08:00,103 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 61 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:00,103 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1136 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:00,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-08 19:08:00,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 237. [2024-11-08 19:08:00,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 194 states have (on average 1.3041237113402062) internal successors, (253), 194 states have internal predecessors, (253), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:08:00,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 333 transitions. [2024-11-08 19:08:00,128 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 333 transitions. Word has length 158 [2024-11-08 19:08:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:00,128 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 333 transitions. [2024-11-08 19:08:00,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.545454545454546) internal successors, (61), 11 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 333 transitions. [2024-11-08 19:08:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:00,131 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:00,131 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:00,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 19:08:00,132 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:00,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:00,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1839748251, now seen corresponding path program 1 times [2024-11-08 19:08:00,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:00,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341727022] [2024-11-08 19:08:00,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:00,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,882 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:00,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:00,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:00,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:00,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:00,967 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:00,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:00,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341727022] [2024-11-08 19:08:00,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341727022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:00,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:00,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:00,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936734267] [2024-11-08 19:08:00,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:00,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:00,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:00,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:00,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:00,973 INFO L87 Difference]: Start difference. First operand 237 states and 333 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:01,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:01,293 INFO L93 Difference]: Finished difference Result 583 states and 815 transitions. [2024-11-08 19:08:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:01,293 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:01,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:01,296 INFO L225 Difference]: With dead ends: 583 [2024-11-08 19:08:01,297 INFO L226 Difference]: Without dead ends: 349 [2024-11-08 19:08:01,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:01,299 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 61 mSDsluCounter, 815 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 971 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:01,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 971 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-08 19:08:01,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 345. [2024-11-08 19:08:01,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 296 states have (on average 1.3243243243243243) internal successors, (392), 298 states have internal predecessors, (392), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 19:08:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 480 transitions. [2024-11-08 19:08:01,339 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 480 transitions. Word has length 160 [2024-11-08 19:08:01,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:01,341 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 480 transitions. [2024-11-08 19:08:01,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:01,342 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 480 transitions. [2024-11-08 19:08:01,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:01,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:01,344 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:01,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 19:08:01,344 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:01,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:01,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1434150691, now seen corresponding path program 1 times [2024-11-08 19:08:01,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:01,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115903727] [2024-11-08 19:08:01,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:01,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:01,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:02,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:02,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:02,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:02,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:02,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:02,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115903727] [2024-11-08 19:08:02,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115903727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:02,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:02,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:08:02,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215366663] [2024-11-08 19:08:02,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:02,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:08:02,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:02,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:08:02,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:08:02,538 INFO L87 Difference]: Start difference. First operand 345 states and 480 transitions. Second operand has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:03,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:03,230 INFO L93 Difference]: Finished difference Result 696 states and 964 transitions. [2024-11-08 19:08:03,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:03,233 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-08 19:08:03,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:03,237 INFO L225 Difference]: With dead ends: 696 [2024-11-08 19:08:03,237 INFO L226 Difference]: Without dead ends: 354 [2024-11-08 19:08:03,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:08:03,241 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 185 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 419 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 738 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:03,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 738 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 419 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:08:03,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-08 19:08:03,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 341. [2024-11-08 19:08:03,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 341 states, 292 states have (on average 1.3150684931506849) internal successors, (384), 294 states have internal predecessors, (384), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 19:08:03,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 472 transitions. [2024-11-08 19:08:03,286 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 472 transitions. Word has length 160 [2024-11-08 19:08:03,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:03,286 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 472 transitions. [2024-11-08 19:08:03,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.875) internal successors, (63), 9 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:03,287 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 472 transitions. [2024-11-08 19:08:03,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:03,289 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:03,290 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:03,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 19:08:03,290 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:03,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:03,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1178400603, now seen corresponding path program 1 times [2024-11-08 19:08:03,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:03,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901177411] [2024-11-08 19:08:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:03,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:04,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:04,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:04,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:04,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:04,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:04,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:04,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901177411] [2024-11-08 19:08:04,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901177411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:04,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:04,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:04,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245476439] [2024-11-08 19:08:04,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:04,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:04,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:04,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:04,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:04,578 INFO L87 Difference]: Start difference. First operand 341 states and 472 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:04,955 INFO L93 Difference]: Finished difference Result 1017 states and 1392 transitions. [2024-11-08 19:08:04,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:08:04,956 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:04,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:04,960 INFO L225 Difference]: With dead ends: 1017 [2024-11-08 19:08:04,960 INFO L226 Difference]: Without dead ends: 679 [2024-11-08 19:08:04,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:08:04,962 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 169 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 837 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:04,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 837 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2024-11-08 19:08:05,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 543. [2024-11-08 19:08:05,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 484 states have (on average 1.3202479338842976) internal successors, (639), 488 states have internal predecessors, (639), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 48 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-08 19:08:05,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 743 transitions. [2024-11-08 19:08:05,010 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 743 transitions. Word has length 160 [2024-11-08 19:08:05,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:05,011 INFO L471 AbstractCegarLoop]: Abstraction has 543 states and 743 transitions. [2024-11-08 19:08:05,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:05,011 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 743 transitions. [2024-11-08 19:08:05,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:05,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:05,014 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:05,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 19:08:05,014 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:05,014 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:05,015 INFO L85 PathProgramCache]: Analyzing trace with hash -262347963, now seen corresponding path program 1 times [2024-11-08 19:08:05,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:05,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251820449] [2024-11-08 19:08:05,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:05,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:05,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:05,617 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:05,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:05,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251820449] [2024-11-08 19:08:05,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251820449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:05,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:05,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:05,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320477110] [2024-11-08 19:08:05,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:05,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:05,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:05,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:05,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:05,619 INFO L87 Difference]: Start difference. First operand 543 states and 743 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:05,874 INFO L93 Difference]: Finished difference Result 1103 states and 1504 transitions. [2024-11-08 19:08:05,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:05,875 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:05,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:05,878 INFO L225 Difference]: With dead ends: 1103 [2024-11-08 19:08:05,878 INFO L226 Difference]: Without dead ends: 563 [2024-11-08 19:08:05,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:05,880 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 58 mSDsluCounter, 766 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:05,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 906 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:05,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2024-11-08 19:08:05,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 473. [2024-11-08 19:08:05,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 418 states have (on average 1.3086124401913874) internal successors, (547), 420 states have internal predecessors, (547), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 19:08:05,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 643 transitions. [2024-11-08 19:08:05,923 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 643 transitions. Word has length 160 [2024-11-08 19:08:05,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:05,923 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 643 transitions. [2024-11-08 19:08:05,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:05,924 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 643 transitions. [2024-11-08 19:08:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:05,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:05,926 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:05,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 19:08:05,927 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:05,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:05,927 INFO L85 PathProgramCache]: Analyzing trace with hash 2038474627, now seen corresponding path program 1 times [2024-11-08 19:08:05,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:05,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000760434] [2024-11-08 19:08:05,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:05,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:06,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:06,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:06,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:06,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:06,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:06,719 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000760434] [2024-11-08 19:08:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000760434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:06,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:06,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139854084] [2024-11-08 19:08:06,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:06,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:06,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:06,722 INFO L87 Difference]: Start difference. First operand 473 states and 643 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:07,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:07,279 INFO L93 Difference]: Finished difference Result 947 states and 1283 transitions. [2024-11-08 19:08:07,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:07,281 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-08 19:08:07,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:07,284 INFO L225 Difference]: With dead ends: 947 [2024-11-08 19:08:07,284 INFO L226 Difference]: Without dead ends: 477 [2024-11-08 19:08:07,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:07,286 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 381 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 381 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:07,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [381 Valid, 469 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:07,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-08 19:08:07,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 465. [2024-11-08 19:08:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 410 states have (on average 1.2951219512195122) internal successors, (531), 412 states have internal predecessors, (531), 48 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-08 19:08:07,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 627 transitions. [2024-11-08 19:08:07,358 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 627 transitions. Word has length 160 [2024-11-08 19:08:07,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:07,359 INFO L471 AbstractCegarLoop]: Abstraction has 465 states and 627 transitions. [2024-11-08 19:08:07,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 627 transitions. [2024-11-08 19:08:07,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:07,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:07,364 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:07,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 19:08:07,365 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:07,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:07,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1318949213, now seen corresponding path program 1 times [2024-11-08 19:08:07,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:07,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219425335] [2024-11-08 19:08:07,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:07,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:07,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:07,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:07,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:07,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:07,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:07,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:07,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:07,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:07,731 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:07,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:07,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219425335] [2024-11-08 19:08:07,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219425335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:07,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:07,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:08:07,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508752795] [2024-11-08 19:08:07,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:07,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:07,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:07,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:07,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:07,733 INFO L87 Difference]: Start difference. First operand 465 states and 627 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:07,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:07,890 INFO L93 Difference]: Finished difference Result 1151 states and 1548 transitions. [2024-11-08 19:08:07,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:07,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:07,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:07,894 INFO L225 Difference]: With dead ends: 1151 [2024-11-08 19:08:07,895 INFO L226 Difference]: Without dead ends: 689 [2024-11-08 19:08:07,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 42 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 19:08:07,896 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 66 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 743 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:07,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 743 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:07,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2024-11-08 19:08:07,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 685. [2024-11-08 19:08:07,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 600 states have (on average 1.2883333333333333) internal successors, (773), 606 states have internal predecessors, (773), 72 states have call successors, (72), 12 states have call predecessors, (72), 12 states have return successors, (72), 66 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 19:08:07,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 917 transitions. [2024-11-08 19:08:07,970 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 917 transitions. Word has length 160 [2024-11-08 19:08:07,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:07,971 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 917 transitions. [2024-11-08 19:08:07,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 917 transitions. [2024-11-08 19:08:07,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:07,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:07,974 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:07,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 19:08:07,974 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:07,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:07,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1817115997, now seen corresponding path program 1 times [2024-11-08 19:08:07,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:07,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156422288] [2024-11-08 19:08:07,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:07,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:08,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:08,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:08,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:08,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:08,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:08,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:08,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:08,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:08,944 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:08,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:08,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156422288] [2024-11-08 19:08:08,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156422288] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:08,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:08,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-08 19:08:08,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061492968] [2024-11-08 19:08:08,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:08,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 19:08:08,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:08,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 19:08:08,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:08,947 INFO L87 Difference]: Start difference. First operand 685 states and 917 transitions. Second operand has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:09,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:09,698 INFO L93 Difference]: Finished difference Result 1688 states and 2249 transitions. [2024-11-08 19:08:09,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 19:08:09,699 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-08 19:08:09,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:09,704 INFO L225 Difference]: With dead ends: 1688 [2024-11-08 19:08:09,704 INFO L226 Difference]: Without dead ends: 1006 [2024-11-08 19:08:09,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:08:09,706 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 452 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 452 SdHoareTripleChecker+Valid, 821 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:09,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [452 Valid, 821 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:08:09,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1006 states. [2024-11-08 19:08:09,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1006 to 788. [2024-11-08 19:08:09,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 695 states have (on average 1.283453237410072) internal successors, (892), 703 states have internal predecessors, (892), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:08:09,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1044 transitions. [2024-11-08 19:08:09,782 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1044 transitions. Word has length 160 [2024-11-08 19:08:09,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:09,783 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1044 transitions. [2024-11-08 19:08:09,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 7.0) internal successors, (63), 10 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:09,784 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1044 transitions. [2024-11-08 19:08:09,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:09,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:09,786 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:09,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 19:08:09,787 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:09,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:09,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1456782945, now seen corresponding path program 1 times [2024-11-08 19:08:09,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:09,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049955494] [2024-11-08 19:08:09,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:09,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:10,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:10,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:10,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:10,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049955494] [2024-11-08 19:08:10,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049955494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:10,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:10,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:10,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000883702] [2024-11-08 19:08:10,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:10,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:10,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:10,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:10,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:10,485 INFO L87 Difference]: Start difference. First operand 788 states and 1044 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:11,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:11,018 INFO L93 Difference]: Finished difference Result 1587 states and 2099 transitions. [2024-11-08 19:08:11,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:11,019 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 160 [2024-11-08 19:08:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:11,025 INFO L225 Difference]: With dead ends: 1587 [2024-11-08 19:08:11,025 INFO L226 Difference]: Without dead ends: 802 [2024-11-08 19:08:11,027 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:11,027 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 335 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 335 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:11,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [335 Valid, 538 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-08 19:08:11,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 788. [2024-11-08 19:08:11,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 788 states, 695 states have (on average 1.2805755395683454) internal successors, (890), 703 states have internal predecessors, (890), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:08:11,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1042 transitions. [2024-11-08 19:08:11,112 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1042 transitions. Word has length 160 [2024-11-08 19:08:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:11,112 INFO L471 AbstractCegarLoop]: Abstraction has 788 states and 1042 transitions. [2024-11-08 19:08:11,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 8 states have internal predecessors, (63), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1042 transitions. [2024-11-08 19:08:11,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:11,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:11,115 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:11,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 19:08:11,116 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:11,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:11,116 INFO L85 PathProgramCache]: Analyzing trace with hash -914956317, now seen corresponding path program 1 times [2024-11-08 19:08:11,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:11,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53664265] [2024-11-08 19:08:11,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:11,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:11,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:11,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:11,722 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:11,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:11,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53664265] [2024-11-08 19:08:11,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53664265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:11,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:11,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-08 19:08:11,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957172573] [2024-11-08 19:08:11,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:11,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:11,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:11,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:11,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:11,724 INFO L87 Difference]: Start difference. First operand 788 states and 1042 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:12,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:12,087 INFO L93 Difference]: Finished difference Result 1774 states and 2329 transitions. [2024-11-08 19:08:12,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:12,088 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:12,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:12,093 INFO L225 Difference]: With dead ends: 1774 [2024-11-08 19:08:12,093 INFO L226 Difference]: Without dead ends: 989 [2024-11-08 19:08:12,095 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:08:12,095 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 62 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:12,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 942 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:12,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2024-11-08 19:08:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 798. [2024-11-08 19:08:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 705 states have (on average 1.2794326241134752) internal successors, (902), 713 states have internal predecessors, (902), 76 states have call successors, (76), 16 states have call predecessors, (76), 16 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:08:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1054 transitions. [2024-11-08 19:08:12,186 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1054 transitions. Word has length 160 [2024-11-08 19:08:12,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:12,187 INFO L471 AbstractCegarLoop]: Abstraction has 798 states and 1054 transitions. [2024-11-08 19:08:12,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:12,188 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1054 transitions. [2024-11-08 19:08:12,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:12,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:12,190 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:12,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 19:08:12,191 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:12,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:12,192 INFO L85 PathProgramCache]: Analyzing trace with hash -793111849, now seen corresponding path program 1 times [2024-11-08 19:08:12,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:12,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687918923] [2024-11-08 19:08:12,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:12,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:12,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:12,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:12,976 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:12,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:12,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687918923] [2024-11-08 19:08:12,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687918923] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:12,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:12,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:12,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165360639] [2024-11-08 19:08:12,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:12,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:12,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:12,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:12,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:12,979 INFO L87 Difference]: Start difference. First operand 798 states and 1054 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:13,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:13,237 INFO L93 Difference]: Finished difference Result 1631 states and 2147 transitions. [2024-11-08 19:08:13,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:08:13,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:13,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:13,242 INFO L225 Difference]: With dead ends: 1631 [2024-11-08 19:08:13,242 INFO L226 Difference]: Without dead ends: 836 [2024-11-08 19:08:13,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:08:13,244 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 56 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:13,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 678 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:13,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2024-11-08 19:08:13,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 738. [2024-11-08 19:08:13,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 649 states have (on average 1.2788906009244991) internal successors, (830), 656 states have internal predecessors, (830), 72 states have call successors, (72), 16 states have call predecessors, (72), 16 states have return successors, (72), 65 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 19:08:13,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 974 transitions. [2024-11-08 19:08:13,324 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 974 transitions. Word has length 160 [2024-11-08 19:08:13,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:13,324 INFO L471 AbstractCegarLoop]: Abstraction has 738 states and 974 transitions. [2024-11-08 19:08:13,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:13,325 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 974 transitions. [2024-11-08 19:08:13,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:13,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:13,327 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:13,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-08 19:08:13,327 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:13,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:13,328 INFO L85 PathProgramCache]: Analyzing trace with hash 2061106881, now seen corresponding path program 1 times [2024-11-08 19:08:13,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:13,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840008876] [2024-11-08 19:08:13,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:13,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:13,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:13,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:13,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:13,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:14,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,016 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:14,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:14,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840008876] [2024-11-08 19:08:14,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840008876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:14,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:14,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:14,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786079035] [2024-11-08 19:08:14,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:14,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:14,031 INFO L87 Difference]: Start difference. First operand 738 states and 974 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:14,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:14,385 INFO L93 Difference]: Finished difference Result 1526 states and 2002 transitions. [2024-11-08 19:08:14,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:14,386 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:14,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:14,390 INFO L225 Difference]: With dead ends: 1526 [2024-11-08 19:08:14,391 INFO L226 Difference]: Without dead ends: 791 [2024-11-08 19:08:14,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-08 19:08:14,393 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 57 mSDsluCounter, 978 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:14,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1174 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:14,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2024-11-08 19:08:14,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 609. [2024-11-08 19:08:14,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 531 states have (on average 1.28060263653484) internal successors, (680), 535 states have internal predecessors, (680), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:14,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 808 transitions. [2024-11-08 19:08:14,462 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 808 transitions. Word has length 160 [2024-11-08 19:08:14,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:14,463 INFO L471 AbstractCegarLoop]: Abstraction has 609 states and 808 transitions. [2024-11-08 19:08:14,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:14,463 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 808 transitions. [2024-11-08 19:08:14,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:14,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:14,466 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:14,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-08 19:08:14,466 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:14,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:14,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1309087190, now seen corresponding path program 1 times [2024-11-08 19:08:14,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:14,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177958396] [2024-11-08 19:08:14,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:14,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:15,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:15,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:15,551 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:15,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:15,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177958396] [2024-11-08 19:08:15,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177958396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:15,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:15,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-08 19:08:15,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988870949] [2024-11-08 19:08:15,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:15,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-08 19:08:15,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:15,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-08 19:08:15,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-08 19:08:15,554 INFO L87 Difference]: Start difference. First operand 609 states and 808 transitions. Second operand has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:16,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:16,117 INFO L93 Difference]: Finished difference Result 1401 states and 1856 transitions. [2024-11-08 19:08:16,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-08 19:08:16,118 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:08:16,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:16,122 INFO L225 Difference]: With dead ends: 1401 [2024-11-08 19:08:16,122 INFO L226 Difference]: Without dead ends: 795 [2024-11-08 19:08:16,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-08 19:08:16,124 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 57 mSDsluCounter, 1491 mSDsCounter, 0 mSdLazyCounter, 399 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1642 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:16,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1642 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 399 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 19:08:16,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-08 19:08:16,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 669. [2024-11-08 19:08:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 669 states, 591 states have (on average 1.2859560067681894) internal successors, (760), 595 states have internal predecessors, (760), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 888 transitions. [2024-11-08 19:08:16,196 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 888 transitions. Word has length 162 [2024-11-08 19:08:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:16,196 INFO L471 AbstractCegarLoop]: Abstraction has 669 states and 888 transitions. [2024-11-08 19:08:16,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.0) internal successors, (65), 13 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:16,196 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 888 transitions. [2024-11-08 19:08:16,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:16,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:16,199 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:16,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-08 19:08:16,199 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:16,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:16,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1706016428, now seen corresponding path program 1 times [2024-11-08 19:08:16,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:16,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943854462] [2024-11-08 19:08:16,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:16,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:16,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:16,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:16,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:16,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:16,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:16,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:16,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:16,985 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:16,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:16,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943854462] [2024-11-08 19:08:16,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943854462] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:16,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:16,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-08 19:08:16,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581992196] [2024-11-08 19:08:16,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:16,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:08:16,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:16,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:08:16,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:08:16,988 INFO L87 Difference]: Start difference. First operand 669 states and 888 transitions. Second operand has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:17,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:17,679 INFO L93 Difference]: Finished difference Result 1505 states and 1984 transitions. [2024-11-08 19:08:17,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 19:08:17,680 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-08 19:08:17,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:17,685 INFO L225 Difference]: With dead ends: 1505 [2024-11-08 19:08:17,685 INFO L226 Difference]: Without dead ends: 839 [2024-11-08 19:08:17,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:08:17,687 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 200 mSDsluCounter, 495 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 650 SdHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:17,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 650 Invalid, 408 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:08:17,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-08 19:08:17,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 681. [2024-11-08 19:08:17,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 603 states have (on average 1.2736318407960199) internal successors, (768), 607 states have internal predecessors, (768), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 896 transitions. [2024-11-08 19:08:17,779 INFO L78 Accepts]: Start accepts. Automaton has 681 states and 896 transitions. Word has length 162 [2024-11-08 19:08:17,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:17,779 INFO L471 AbstractCegarLoop]: Abstraction has 681 states and 896 transitions. [2024-11-08 19:08:17,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.125) internal successors, (65), 9 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:17,780 INFO L276 IsEmpty]: Start isEmpty. Operand 681 states and 896 transitions. [2024-11-08 19:08:17,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:17,782 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:17,782 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:17,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-08 19:08:17,782 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:17,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:17,783 INFO L85 PathProgramCache]: Analyzing trace with hash 77116204, now seen corresponding path program 1 times [2024-11-08 19:08:17,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:17,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413001657] [2024-11-08 19:08:17,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:17,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:18,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:18,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:18,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:18,526 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:18,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:18,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413001657] [2024-11-08 19:08:18,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413001657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:18,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:18,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-08 19:08:18,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919659507] [2024-11-08 19:08:18,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:18,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:08:18,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:18,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:08:18,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:18,531 INFO L87 Difference]: Start difference. First operand 681 states and 896 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:19,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:19,069 INFO L93 Difference]: Finished difference Result 1303 states and 1717 transitions. [2024-11-08 19:08:19,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:19,070 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) Word has length 162 [2024-11-08 19:08:19,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:19,073 INFO L225 Difference]: With dead ends: 1303 [2024-11-08 19:08:19,074 INFO L226 Difference]: Without dead ends: 625 [2024-11-08 19:08:19,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:19,075 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 131 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:19,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 431 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:08:19,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2024-11-08 19:08:19,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 625. [2024-11-08 19:08:19,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 625 states, 547 states have (on average 1.2687385740402193) internal successors, (694), 551 states have internal predecessors, (694), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:19,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 822 transitions. [2024-11-08 19:08:19,148 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 822 transitions. Word has length 162 [2024-11-08 19:08:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:19,149 INFO L471 AbstractCegarLoop]: Abstraction has 625 states and 822 transitions. [2024-11-08 19:08:19,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 3 states have call predecessors, (20), 4 states have call successors, (20) [2024-11-08 19:08:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 822 transitions. [2024-11-08 19:08:19,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:19,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:19,152 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:19,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-08 19:08:19,153 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:19,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:19,153 INFO L85 PathProgramCache]: Analyzing trace with hash 835268685, now seen corresponding path program 1 times [2024-11-08 19:08:19,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:19,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137084810] [2024-11-08 19:08:19,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:19,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:19,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:19,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:19,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:19,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137084810] [2024-11-08 19:08:19,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137084810] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:19,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:19,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:08:19,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146707668] [2024-11-08 19:08:19,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:19,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:19,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:19,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:19,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:19,427 INFO L87 Difference]: Start difference. First operand 625 states and 822 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:19,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:19,520 INFO L93 Difference]: Finished difference Result 1265 states and 1665 transitions. [2024-11-08 19:08:19,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:19,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:08:19,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:19,524 INFO L225 Difference]: With dead ends: 1265 [2024-11-08 19:08:19,524 INFO L226 Difference]: Without dead ends: 643 [2024-11-08 19:08:19,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:19,527 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:19,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:19,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 643 states. [2024-11-08 19:08:19,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 643 to 643. [2024-11-08 19:08:19,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 565 states have (on average 1.2601769911504426) internal successors, (712), 569 states have internal predecessors, (712), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 840 transitions. [2024-11-08 19:08:19,596 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 840 transitions. Word has length 162 [2024-11-08 19:08:19,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:19,596 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 840 transitions. [2024-11-08 19:08:19,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:19,597 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 840 transitions. [2024-11-08 19:08:19,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:19,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:19,599 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:19,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-08 19:08:19,600 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:19,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:19,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1642268888, now seen corresponding path program 1 times [2024-11-08 19:08:19,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:19,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880236986] [2024-11-08 19:08:19,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:19,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:20,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:20,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:20,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:20,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880236986] [2024-11-08 19:08:20,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880236986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:20,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:20,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:20,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377628319] [2024-11-08 19:08:20,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:20,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:20,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:20,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:20,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:20,209 INFO L87 Difference]: Start difference. First operand 643 states and 840 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:20,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:20,555 INFO L93 Difference]: Finished difference Result 1445 states and 1872 transitions. [2024-11-08 19:08:20,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:08:20,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:08:20,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:20,560 INFO L225 Difference]: With dead ends: 1445 [2024-11-08 19:08:20,560 INFO L226 Difference]: Without dead ends: 805 [2024-11-08 19:08:20,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 19:08:20,562 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 56 mSDsluCounter, 561 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 729 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:20,563 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 729 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:20,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 805 states. [2024-11-08 19:08:20,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 805 to 643. [2024-11-08 19:08:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 643 states, 565 states have (on average 1.2530973451327434) internal successors, (708), 569 states have internal predecessors, (708), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:20,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 643 states to 643 states and 836 transitions. [2024-11-08 19:08:20,637 INFO L78 Accepts]: Start accepts. Automaton has 643 states and 836 transitions. Word has length 162 [2024-11-08 19:08:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:20,637 INFO L471 AbstractCegarLoop]: Abstraction has 643 states and 836 transitions. [2024-11-08 19:08:20,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:20,638 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 836 transitions. [2024-11-08 19:08:20,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:20,640 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:20,640 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:20,640 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-08 19:08:20,641 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:20,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:20,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1372834730, now seen corresponding path program 1 times [2024-11-08 19:08:20,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:20,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135912774] [2024-11-08 19:08:20,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:20,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:21,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:21,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:21,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135912774] [2024-11-08 19:08:21,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135912774] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:21,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:21,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-11-08 19:08:21,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151022957] [2024-11-08 19:08:21,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:21,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 19:08:21,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:21,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 19:08:21,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-08 19:08:21,847 INFO L87 Difference]: Start difference. First operand 643 states and 836 transitions. Second operand has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:22,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:22,924 INFO L93 Difference]: Finished difference Result 1709 states and 2202 transitions. [2024-11-08 19:08:22,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-08 19:08:22,925 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:08:22,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:22,930 INFO L225 Difference]: With dead ends: 1709 [2024-11-08 19:08:22,930 INFO L226 Difference]: Without dead ends: 1069 [2024-11-08 19:08:22,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:08:22,933 INFO L432 NwaCegarLoop]: 202 mSDtfsCounter, 156 mSDsluCounter, 1694 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:22,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 1896 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:08:22,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-08 19:08:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 675. [2024-11-08 19:08:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 597 states have (on average 1.2495812395309882) internal successors, (746), 601 states have internal predecessors, (746), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:23,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 874 transitions. [2024-11-08 19:08:23,003 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 874 transitions. Word has length 162 [2024-11-08 19:08:23,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:23,004 INFO L471 AbstractCegarLoop]: Abstraction has 675 states and 874 transitions. [2024-11-08 19:08:23,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.642857142857143) internal successors, (65), 14 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 874 transitions. [2024-11-08 19:08:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:08:23,007 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:23,007 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:23,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-08 19:08:23,007 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:23,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:23,008 INFO L85 PathProgramCache]: Analyzing trace with hash -432603604, now seen corresponding path program 1 times [2024-11-08 19:08:23,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:23,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799446753] [2024-11-08 19:08:23,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:23,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 19:08:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 19:08:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 19:08:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-08 19:08:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-08 19:08:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-08 19:08:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 19:08:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-08 19:08:23,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-08 19:08:23,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-08 19:08:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 19:08:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 19:08:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-08 19:08:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-08 19:08:23,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-08 19:08:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-08 19:08:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,949 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-08 19:08:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-08 19:08:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-08 19:08:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-08 19:08:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:23,961 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:23,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:08:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799446753] [2024-11-08 19:08:23,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799446753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:23,962 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:23,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:08:23,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253245878] [2024-11-08 19:08:23,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:23,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:08:23,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:08:23,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:08:23,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:08:23,964 INFO L87 Difference]: Start difference. First operand 675 states and 874 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:24,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:24,496 INFO L93 Difference]: Finished difference Result 1473 states and 1900 transitions. [2024-11-08 19:08:24,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:08:24,496 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:08:24,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:24,500 INFO L225 Difference]: With dead ends: 1473 [2024-11-08 19:08:24,501 INFO L226 Difference]: Without dead ends: 801 [2024-11-08 19:08:24,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:08:24,503 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 52 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1562 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:24,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1562 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:08:24,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2024-11-08 19:08:24,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 627. [2024-11-08 19:08:24,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 549 states have (on average 1.2531876138433515) internal successors, (688), 553 states have internal predecessors, (688), 64 states have call successors, (64), 13 states have call predecessors, (64), 13 states have return successors, (64), 60 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:08:24,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 816 transitions. [2024-11-08 19:08:24,569 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 816 transitions. Word has length 162 [2024-11-08 19:08:24,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:24,569 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 816 transitions. [2024-11-08 19:08:24,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:24,570 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 816 transitions. [2024-11-08 19:08:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:08:24,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:24,572 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:24,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-08 19:08:24,573 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:24,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:24,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2039728058, now seen corresponding path program 1 times [2024-11-08 19:08:24,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:08:24,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906716527] [2024-11-08 19:08:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:24,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:08:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:24,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:08:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:08:25,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:08:25,084 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 19:08:25,085 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:08:25,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-08 19:08:25,090 INFO L407 BasicCegarLoop]: Path program histogram: [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 19:08:25,299 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 19:08:25,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:08:25 BoogieIcfgContainer [2024-11-08 19:08:25,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 19:08:25,305 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:08:25,305 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:08:25,306 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:08:25,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:07:55" (3/4) ... [2024-11-08 19:08:25,309 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 19:08:25,310 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:08:25,314 INFO L158 Benchmark]: Toolchain (without parser) took 31663.63ms. Allocated memory was 172.0MB in the beginning and 650.1MB in the end (delta: 478.2MB). Free memory was 134.7MB in the beginning and 483.5MB in the end (delta: -348.7MB). Peak memory consumption was 130.8MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,315 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:25,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.44ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 118.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,315 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.57ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 114.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,316 INFO L158 Benchmark]: Boogie Preprocessor took 100.03ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 107.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,316 INFO L158 Benchmark]: RCFGBuilder took 1037.28ms. Allocated memory is still 172.0MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,316 INFO L158 Benchmark]: TraceAbstraction took 30030.87ms. Allocated memory was 172.0MB in the beginning and 650.1MB in the end (delta: 478.2MB). Free memory was 102.4MB in the beginning and 483.5MB in the end (delta: -381.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. [2024-11-08 19:08:25,316 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 650.1MB. Free memory is still 483.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:08:25,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 119.5MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.44ms. Allocated memory is still 172.0MB. Free memory was 134.7MB in the beginning and 118.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.57ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 114.2MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.03ms. Allocated memory is still 172.0MB. Free memory was 114.2MB in the beginning and 107.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1037.28ms. Allocated memory is still 172.0MB. Free memory was 107.5MB in the beginning and 103.3MB in the end (delta: 4.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * TraceAbstraction took 30030.87ms. Allocated memory was 172.0MB in the beginning and 650.1MB in the end (delta: 478.2MB). Free memory was 102.4MB in the beginning and 483.5MB in the end (delta: -381.1MB). Peak memory consumption was 97.8MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 650.1MB. Free memory is still 483.5MB. 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 115. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 128; [L22] unsigned char var_1_1 = 128; [L23] unsigned char* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_4 = 25; [L24] unsigned char var_1_4 = 25; [L25] unsigned char* var_1_4_Pointer = &(var_1_4); [L26] unsigned char var_1_5 = 64; [L26] unsigned char var_1_5 = 64; [L27] unsigned char* var_1_5_Pointer = &(var_1_5); [L28] unsigned char var_1_6 = 8; [L28] unsigned char var_1_6 = 8; [L29] unsigned char* var_1_6_Pointer = &(var_1_6); [L30] unsigned char var_1_7 = 0; [L30] unsigned char var_1_7 = 0; [L31] unsigned char* var_1_7_Pointer = &(var_1_7); [L32] unsigned short int var_1_8 = 64; [L32] unsigned short int var_1_8 = 64; [L33] unsigned short int* var_1_8_Pointer = &(var_1_8); [L34] unsigned char var_1_9 = 1; [L34] unsigned char var_1_9 = 1; [L35] unsigned char* var_1_9_Pointer = &(var_1_9); [L36] unsigned short int var_1_10 = 27843; [L36] unsigned short int var_1_10 = 27843; [L37] unsigned short int* var_1_10_Pointer = &(var_1_10); [L38] signed short int var_1_11 = -4; [L38] signed short int var_1_11 = -4; [L39] signed short int* var_1_11_Pointer = &(var_1_11); [L40] unsigned char var_1_13 = 128; [L40] unsigned char var_1_13 = 128; [L41] unsigned char* var_1_13_Pointer = &(var_1_13); [L42] unsigned char var_1_14 = 5; [L42] unsigned char var_1_14 = 5; [L43] unsigned char* var_1_14_Pointer = &(var_1_14); [L44] signed short int var_1_15 = 28020; [L44] signed short int var_1_15 = 28020; [L45] signed short int* var_1_15_Pointer = &(var_1_15); [L46] signed short int var_1_16 = 128; [L46] signed short int var_1_16 = 128; [L47] signed short int* var_1_16_Pointer = &(var_1_16); [L48] float var_1_17 = 10000000000000.926; [L48] float var_1_17 = 10000000000000.926; [L49] float* var_1_17_Pointer = &(var_1_17); [L50] float var_1_18 = 1000000.6; [L50] float var_1_18 = 1000000.6; [L51] float* var_1_18_Pointer = &(var_1_18); [L52] unsigned short int last_1_var_1_8 = 64; [L53] signed short int last_1_var_1_11 = -4; VAL [isInitial=0, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L119] isInitial = 1 [L120] FCALL initially() [L121] COND TRUE 1 [L122] CALL updateLastVariables() [L111] EXPR \read(var_1_8) [L111] last_1_var_1_8 = var_1_8 [L112] EXPR \read(var_1_11) [L112] last_1_var_1_11 = var_1_11 [L122] RET updateLastVariables() [L123] CALL updateVariables() [L79] var_1_4 = __VERIFIER_nondet_uchar() [L80] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L80] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] EXPR \read(var_1_4) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] CALL assume_abort_if_not(var_1_4 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L81] RET assume_abort_if_not(var_1_4 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L82] var_1_5 = __VERIFIER_nondet_uchar() [L83] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L83] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L84] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L85] var_1_6 = __VERIFIER_nondet_uchar() [L86] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L86] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] CALL assume_abort_if_not(var_1_6 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L87] RET assume_abort_if_not(var_1_6 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L88] var_1_7 = __VERIFIER_nondet_uchar() [L89] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L89] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_7 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_7 <= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L91] var_1_9 = __VERIFIER_nondet_uchar() [L92] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L92] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] EXPR \read(var_1_9) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L94] var_1_10 = __VERIFIER_nondet_ushort() [L95] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] CALL assume_abort_if_not(var_1_10 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L95] RET assume_abort_if_not(var_1_10 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L97] var_1_13 = __VERIFIER_nondet_uchar() [L98] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] CALL assume_abort_if_not(var_1_13 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L98] RET assume_abort_if_not(var_1_13 >= 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L99] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L100] var_1_14 = __VERIFIER_nondet_uchar() [L101] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L101] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L102] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] EXPR \read(var_1_14) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_14 != 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L103] RET assume_abort_if_not(var_1_14 != 127) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L104] var_1_15 = __VERIFIER_nondet_short() [L105] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] CALL assume_abort_if_not(var_1_15 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L105] RET assume_abort_if_not(var_1_15 >= 16383) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] EXPR \read(var_1_15) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L106] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L107] var_1_18 = __VERIFIER_nondet_float() [L108] EXPR \read(var_1_18) [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F [L108] EXPR \read(var_1_18) [L108] EXPR var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] EXPR (var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L108] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L123] RET updateVariables() [L124] CALL step() [L57] signed long int stepLocal_0 = last_1_var_1_11; VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, stepLocal_0=-4, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L58] COND TRUE stepLocal_0 != last_1_var_1_8 [L59] EXPR \read(*var_1_4_Pointer) [L59] EXPR \read(*var_1_5_Pointer) [L59] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) [L59] EXPR \read(*var_1_5_Pointer) [L59] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) [L59] EXPR \read(*var_1_7_Pointer) [L59] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L59] (*(var_1_1_Pointer)) = ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))) [L63] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L63] COND TRUE (*(var_1_9_Pointer)) [L64] EXPR \read(*var_1_10_Pointer) [L64] EXPR \read(*var_1_6_Pointer) [L64] (*(var_1_8_Pointer)) = (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))) [L66] EXPR \read(*var_1_5_Pointer) [L66] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L66] COND TRUE ! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer))) [L67] (*(var_1_16_Pointer)) = (32 - 8) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L71] EXPR \read(*var_1_18_Pointer) [L71] (*(var_1_17_Pointer)) = (*(var_1_18_Pointer)) [L72] EXPR \read(*var_1_1_Pointer) [L72] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L72] COND FALSE !((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) [L124] RET step() [L125] CALL, EXPR property() [L115] EXPR (last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer)))) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR \read(*var_1_4_Pointer) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR \read(*var_1_6_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR (((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR \read(*var_1_7_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) [L115] EXPR \read(*var_1_7_Pointer) [L115] EXPR (((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) [L115] EXPR \read(*var_1_9_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1 [L115] EXPR \read(*var_1_8_Pointer) [L115] EXPR \read(*var_1_10_Pointer) [L115] EXPR \read(*var_1_6_Pointer) [L115] EXPR (*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) [L115] EXPR \read(*var_1_1_Pointer) [L115] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1 [L115] EXPR ((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1 VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) [L115] EXPR \read(*var_1_5_Pointer) [L115] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))) [L115] EXPR \read(*var_1_16_Pointer) [L115] EXPR (! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR ((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer)))))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) [L115] EXPR \read(*var_1_17_Pointer) [L115] EXPR \read(*var_1_18_Pointer) [L115] EXPR (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L115-L116] return (((((last_1_var_1_11 != last_1_var_1_8) ? ((*(var_1_1_Pointer)) == ((unsigned char) ((*(var_1_4_Pointer)) + (((((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) > ((*(var_1_7_Pointer)))) ? ((((((*(var_1_5_Pointer))) < ((*(var_1_6_Pointer)))) ? ((*(var_1_5_Pointer))) : ((*(var_1_6_Pointer)))))) : ((*(var_1_7_Pointer)))))))) : ((*(var_1_1_Pointer)) == ((unsigned char) (*(var_1_4_Pointer))))) && ((*(var_1_9_Pointer)) ? ((*(var_1_8_Pointer)) == ((unsigned short int) (((*(var_1_10_Pointer)) + 23103) - (32 + (*(var_1_6_Pointer)))))) : 1)) && (((*(var_1_1_Pointer)) < (*(var_1_16_Pointer))) ? ((((- 8) / ((*(var_1_13_Pointer)) - (*(var_1_14_Pointer)))) >= (*(var_1_6_Pointer))) ? ((*(var_1_11_Pointer)) == ((signed short int) ((*(var_1_16_Pointer)) - ((*(var_1_15_Pointer)) - (*(var_1_14_Pointer)))))) : 1) : 1)) && ((! ((*(var_1_5_Pointer)) > (*(var_1_10_Pointer)))) ? ((*(var_1_16_Pointer)) == ((signed short int) (32 - 8))) : ((*(var_1_16_Pointer)) == ((signed short int) ((*(var_1_13_Pointer)) - (*(var_1_4_Pointer))))))) && ((*(var_1_17_Pointer)) == ((float) (*(var_1_18_Pointer)))) ; [L125] RET, EXPR property() [L125] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_11=-4, last_1_var_1_8=64, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_14={14:0}, var_1_14_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_17={17:0}, var_1_17_Pointer={17:0}, var_1_18={18:0}, var_1_18_Pointer={18:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_4={5:0}, var_1_4_Pointer={5:0}, var_1_5={6:0}, var_1_5_Pointer={6:0}, var_1_6={7:0}, var_1_6_Pointer={7:0}, var_1_7={8:0}, var_1_7_Pointer={8:0}, var_1_8={9:0}, var_1_8_Pointer={9:0}, var_1_9={10:0}, var_1_9_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 103 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.7s, OverallIterations: 24, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2805 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2805 mSDsluCounter, 18833 SdHoareTripleChecker+Invalid, 5.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15218 mSDsCounter, 235 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4918 IncrementalHoareTripleChecker+Invalid, 5153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 235 mSolverCounterUnsat, 3615 mSDtfsCounter, 4918 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1213 GetRequests, 1008 SyntacticMatches, 1 SemanticMatches, 204 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 301 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=798occurred in iteration=14, InterpolantAutomatonStates: 182, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 2060 StatesRemovedByMinimization, 19 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 15.8s InterpolantComputationTime, 3816 NumberOfCodeBlocks, 3816 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 3629 ConstructedInterpolants, 0 QuantifiedInterpolants, 10068 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 PerfectInterpolantSequences, 17480/17480 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 19:08:25,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/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_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/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_7c331353-9e9a-4604-9b24-165926f3f0f7/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 e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:08:27,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:08:27,802 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 19:08:27,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:08:27,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:08:27,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:08:27,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:08:27,851 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:08:27,852 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:08:27,853 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:08:27,854 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:08:27,854 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 19:08:27,855 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:08:27,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:08:27,856 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:08:27,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:08:27,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:08:27,859 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:08:27,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:08:27,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:08:27,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:08:27,864 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:08:27,864 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:08:27,864 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 19:08:27,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 19:08:27,865 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:08:27,865 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 19:08:27,865 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:08:27,865 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:08:27,866 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:08:27,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:08:27,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:08:27,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 19:08:27,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 19:08:27,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:27,869 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:08:27,870 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:08:27,871 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:08:27,871 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 19:08:27,871 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 19:08:27,872 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 19:08:27,872 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 19:08:27,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 19:08:27,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 19:08:27,881 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_7c331353-9e9a-4604-9b24-165926f3f0f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e5c5150a720fdced1e7cf7a03c2f6f18e193ebaeb85e2a46b50fbe0597998c07 [2024-11-08 19:08:28,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:08:28,330 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:08:28,333 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:08:28,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:08:28,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:08:28,337 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i Unable to find full path for "g++" [2024-11-08 19:08:30,401 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:08:30,653 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:08:30,654 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i [2024-11-08 19:08:30,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/59bc089cd/a9bdcf76028e4beea20aca8580e504d6/FLAG25b88e10c [2024-11-08 19:08:30,683 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/data/59bc089cd/a9bdcf76028e4beea20aca8580e504d6 [2024-11-08 19:08:30,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:08:30,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:08:30,689 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:30,689 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:08:30,698 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:08:30,699 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:30" (1/1) ... [2024-11-08 19:08:30,700 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238e83a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:30, skipping insertion in model container [2024-11-08 19:08:30,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:08:30" (1/1) ... [2024-11-08 19:08:30,732 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:08:30,953 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_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-11-08 19:08:31,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:31,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:08:31,093 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_7c331353-9e9a-4604-9b24-165926f3f0f7/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-84.i[916,929] [2024-11-08 19:08:31,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:08:31,173 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:08:31,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31 WrapperNode [2024-11-08 19:08:31,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:08:31,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:31,177 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:08:31,177 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:08:31,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,304 INFO L138 Inliner]: procedures = 33, calls = 168, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2024-11-08 19:08:31,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:08:31,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:08:31,305 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:08:31,305 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:08:31,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,352 INFO L175 MemorySlicer]: Split 122 memory accesses to 16 slices as follows [2, 7, 10, 14, 16, 8, 4, 6, 8, 4, 8, 9, 6, 9, 3, 8]. 13 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1]. [2024-11-08 19:08:31,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,378 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,407 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,421 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:08:31,425 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:08:31,425 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:08:31,425 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:08:31,426 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (1/1) ... [2024-11-08 19:08:31,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 19:08:31,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:08:31,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 19:08:31,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 19:08:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:08:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-08 19:08:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-08 19:08:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-08 19:08:31,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-08 19:08:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-08 19:08:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-08 19:08:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-08 19:08:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-08 19:08:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-08 19:08:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-08 19:08:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-08 19:08:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-08 19:08:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-08 19:08:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-08 19:08:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#14 [2024-11-08 19:08:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#15 [2024-11-08 19:08:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-08 19:08:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-08 19:08:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-08 19:08:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-08 19:08:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-08 19:08:31,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-08 19:08:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-08 19:08:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-08 19:08:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-08 19:08:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-08 19:08:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-08 19:08:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-08 19:08:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-08 19:08:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-08 19:08:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#14 [2024-11-08 19:08:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#15 [2024-11-08 19:08:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-08 19:08:31,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-08 19:08:31,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-08 19:08:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-08 19:08:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2024-11-08 19:08:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2024-11-08 19:08:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-08 19:08:31,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-08 19:08:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-08 19:08:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-08 19:08:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-08 19:08:31,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-08 19:08:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-08 19:08:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-08 19:08:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-08 19:08:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-08 19:08:31,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-08 19:08:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-08 19:08:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-08 19:08:31,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-08 19:08:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2024-11-08 19:08:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2024-11-08 19:08:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-08 19:08:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-08 19:08:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-08 19:08:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-08 19:08:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-08 19:08:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-08 19:08:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-08 19:08:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-08 19:08:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-08 19:08:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-08 19:08:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-08 19:08:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-08 19:08:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-08 19:08:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#14 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#15 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-08 19:08:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-08 19:08:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-08 19:08:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-08 19:08:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-08 19:08:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-08 19:08:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-08 19:08:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#14 [2024-11-08 19:08:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#15 [2024-11-08 19:08:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 19:08:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 19:08:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:08:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:08:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-08 19:08:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-08 19:08:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-08 19:08:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-08 19:08:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-08 19:08:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-08 19:08:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-08 19:08:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-08 19:08:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#14 [2024-11-08 19:08:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#15 [2024-11-08 19:08:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-08 19:08:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-08 19:08:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#14 [2024-11-08 19:08:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#15 [2024-11-08 19:08:31,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:08:31,917 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:08:32,821 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-08 19:08:32,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:08:32,849 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:08:32,850 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:08:32,850 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:32 BoogieIcfgContainer [2024-11-08 19:08:32,850 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:08:32,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 19:08:32,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 19:08:32,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 19:08:32,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:08:30" (1/3) ... [2024-11-08 19:08:32,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47189f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:32, skipping insertion in model container [2024-11-08 19:08:32,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:08:31" (2/3) ... [2024-11-08 19:08:32,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47189f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:08:32, skipping insertion in model container [2024-11-08 19:08:32,860 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:08:32" (3/3) ... [2024-11-08 19:08:32,862 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-84.i [2024-11-08 19:08:32,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 19:08:32,882 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 19:08:32,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 19:08:32,976 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;@1875da93, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 19:08:32,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 19:08:32,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:08:32,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:08:33,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:33,003 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:33,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:33,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:33,010 INFO L85 PathProgramCache]: Analyzing trace with hash 978504894, now seen corresponding path program 1 times [2024-11-08 19:08:33,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [271862018] [2024-11-08 19:08:33,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:33,032 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 19:08:33,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:33,036 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:33,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:33,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 19:08:33,585 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:33,642 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 390 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-11-08 19:08:33,643 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:33,643 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:33,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [271862018] [2024-11-08 19:08:33,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [271862018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:33,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:33,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 19:08:33,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409845039] [2024-11-08 19:08:33,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:33,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 19:08:33,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:33,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 19:08:33,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 19:08:33,680 INFO L87 Difference]: Start difference. First operand has 103 states, 80 states have (on average 1.35) internal successors, (108), 81 states have internal predecessors, (108), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:08:33,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:33,731 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-08 19:08:33,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 19:08:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-08 19:08:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:33,745 INFO L225 Difference]: With dead ends: 199 [2024-11-08 19:08:33,746 INFO L226 Difference]: Without dead ends: 99 [2024-11-08 19:08:33,751 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 19:08:33,756 INFO L432 NwaCegarLoop]: 141 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, 141 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 19:08:33,759 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:33,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-08 19:08:33,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-08 19:08:33,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 77 states have (on average 1.3116883116883118) internal successors, (101), 77 states have internal predecessors, (101), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:08:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2024-11-08 19:08:33,824 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 150 [2024-11-08 19:08:33,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:33,826 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2024-11-08 19:08:33,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:08:33,827 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2024-11-08 19:08:33,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:08:33,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:33,833 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:33,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 19:08:34,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,034 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:34,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:34,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1086411042, now seen corresponding path program 1 times [2024-11-08 19:08:34,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:34,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [59859711] [2024-11-08 19:08:34,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:34,036 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 19:08:34,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:34,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:34,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:08:34,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:08:34,605 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:34,606 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:34,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [59859711] [2024-11-08 19:08:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [59859711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:34,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:34,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:08:34,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828144989] [2024-11-08 19:08:34,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:34,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:08:34,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:34,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:08:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:08:34,613 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:08:34,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:34,684 INFO L93 Difference]: Finished difference Result 197 states and 282 transitions. [2024-11-08 19:08:34,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:08:34,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 150 [2024-11-08 19:08:34,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:34,690 INFO L225 Difference]: With dead ends: 197 [2024-11-08 19:08:34,690 INFO L226 Difference]: Without dead ends: 101 [2024-11-08 19:08:34,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 147 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 19:08:34,695 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 406 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 19:08:34,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 19:08:34,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-08 19:08:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-08 19:08:34,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 79 states have (on average 1.3037974683544304) internal successors, (103), 79 states have internal predecessors, (103), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 19:08:34,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2024-11-08 19:08:34,720 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 150 [2024-11-08 19:08:34,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:34,721 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2024-11-08 19:08:34,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:08:34,722 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2024-11-08 19:08:34,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-08 19:08:34,727 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:34,727 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:34,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:34,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:34,933 INFO L85 PathProgramCache]: Analyzing trace with hash 384811168, now seen corresponding path program 1 times [2024-11-08 19:08:34,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:34,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940242858] [2024-11-08 19:08:34,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:34,934 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 19:08:34,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:34,937 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:34,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:35,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:08:35,414 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:35,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:08:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:35,914 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:35,914 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:35,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940242858] [2024-11-08 19:08:35,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940242858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:35,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:35,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:08:35,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102497535] [2024-11-08 19:08:35,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:35,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:08:35,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:35,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:08:35,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:08:35,917 INFO L87 Difference]: Start difference. First operand 101 states and 143 transitions. Second operand has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:36,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:36,245 INFO L93 Difference]: Finished difference Result 328 states and 466 transitions. [2024-11-08 19:08:36,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:08:36,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 150 [2024-11-08 19:08:36,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:36,249 INFO L225 Difference]: With dead ends: 328 [2024-11-08 19:08:36,249 INFO L226 Difference]: Without dead ends: 230 [2024-11-08 19:08:36,250 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:08:36,251 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 206 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:36,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 536 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:08:36,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-08 19:08:36,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 199. [2024-11-08 19:08:36,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 156 states have (on average 1.294871794871795) internal successors, (202), 156 states have internal predecessors, (202), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:08:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 282 transitions. [2024-11-08 19:08:36,286 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 282 transitions. Word has length 150 [2024-11-08 19:08:36,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:36,287 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 282 transitions. [2024-11-08 19:08:36,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.6) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:36,288 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 282 transitions. [2024-11-08 19:08:36,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 19:08:36,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:36,291 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:36,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:08:36,491 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:36,492 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:36,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:36,492 INFO L85 PathProgramCache]: Analyzing trace with hash 1743847486, now seen corresponding path program 1 times [2024-11-08 19:08:36,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:36,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168959872] [2024-11-08 19:08:36,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:36,494 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 19:08:36,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:36,496 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:36,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:36,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:08:36,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:37,015 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:37,015 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:08:37,016 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:37,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168959872] [2024-11-08 19:08:37,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168959872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:08:37,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:08:37,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:08:37,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750320202] [2024-11-08 19:08:37,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:37,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:37,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:37,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:37,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:37,019 INFO L87 Difference]: Start difference. First operand 199 states and 282 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:37,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:37,113 INFO L93 Difference]: Finished difference Result 409 states and 581 transitions. [2024-11-08 19:08:37,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:08:37,113 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-08 19:08:37,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:37,116 INFO L225 Difference]: With dead ends: 409 [2024-11-08 19:08:37,116 INFO L226 Difference]: Without dead ends: 213 [2024-11-08 19:08:37,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:08:37,118 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 1 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:37,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 653 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:08:37,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-08 19:08:37,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2024-11-08 19:08:37,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 168 states have (on average 1.2738095238095237) internal successors, (214), 168 states have internal predecessors, (214), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:08:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 294 transitions. [2024-11-08 19:08:37,140 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 294 transitions. Word has length 158 [2024-11-08 19:08:37,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:37,141 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 294 transitions. [2024-11-08 19:08:37,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 294 transitions. [2024-11-08 19:08:37,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2024-11-08 19:08:37,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:37,150 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:37,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:37,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:37,350 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:37,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:37,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1745694528, now seen corresponding path program 1 times [2024-11-08 19:08:37,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:37,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562345727] [2024-11-08 19:08:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:37,353 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 19:08:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:37,356 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:37,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:37,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:08:37,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:38,322 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 27 treesize of output 23 [2024-11-08 19:08:38,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:08:38,416 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 28 treesize of output 20 [2024-11-08 19:08:38,526 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 19:08:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 336 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-08 19:08:38,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:41,780 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:41,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562345727] [2024-11-08 19:08:41,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562345727] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:41,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:41,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 16 [2024-11-08 19:08:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080432934] [2024-11-08 19:08:41,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:41,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:08:41,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:41,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:08:41,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:08:41,784 INFO L87 Difference]: Start difference. First operand 211 states and 294 transitions. Second operand has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:42,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:42,642 INFO L93 Difference]: Finished difference Result 517 states and 717 transitions. [2024-11-08 19:08:42,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:08:42,643 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2024-11-08 19:08:42,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:42,650 INFO L225 Difference]: With dead ends: 517 [2024-11-08 19:08:42,653 INFO L226 Difference]: Without dead ends: 309 [2024-11-08 19:08:42,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 299 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:08:42,660 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 62 mSDsluCounter, 926 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 1070 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:42,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 1070 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 19:08:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-08 19:08:42,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 245. [2024-11-08 19:08:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 202 states have (on average 1.2920792079207921) internal successors, (261), 202 states have internal predecessors, (261), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 19:08:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 341 transitions. [2024-11-08 19:08:42,729 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 341 transitions. Word has length 158 [2024-11-08 19:08:42,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:42,734 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 341 transitions. [2024-11-08 19:08:42,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.777777777777778) internal successors, (61), 9 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:42,734 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 341 transitions. [2024-11-08 19:08:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:42,741 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:42,741 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:42,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 19:08:42,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:42,943 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:42,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:42,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1839748251, now seen corresponding path program 1 times [2024-11-08 19:08:42,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:42,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672413884] [2024-11-08 19:08:42,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:42,946 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 19:08:42,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:42,955 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:42,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:43,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:08:43,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:45,846 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 19:08:45,939 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 19:08:46,014 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 457 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 19:08:46,014 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:46,492 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:46,493 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:46,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672413884] [2024-11-08 19:08:46,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672413884] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:46,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:46,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-11-08 19:08:46,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543579450] [2024-11-08 19:08:46,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:46,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:08:46,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:46,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:08:46,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:08:46,504 INFO L87 Difference]: Start difference. First operand 245 states and 341 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:46,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:46,950 INFO L93 Difference]: Finished difference Result 607 states and 839 transitions. [2024-11-08 19:08:46,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:08:46,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:46,957 INFO L225 Difference]: With dead ends: 607 [2024-11-08 19:08:46,958 INFO L226 Difference]: Without dead ends: 365 [2024-11-08 19:08:46,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:08:46,962 INFO L432 NwaCegarLoop]: 169 mSDtfsCounter, 62 mSDsluCounter, 663 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 832 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:46,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 832 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:08:46,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-08 19:08:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-08 19:08:47,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 312 states have (on average 1.3076923076923077) internal successors, (408), 314 states have internal predecessors, (408), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 19:08:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 496 transitions. [2024-11-08 19:08:47,005 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 496 transitions. Word has length 160 [2024-11-08 19:08:47,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:47,006 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 496 transitions. [2024-11-08 19:08:47,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 496 transitions. [2024-11-08 19:08:47,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:47,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:47,009 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:47,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:47,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:47,210 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:47,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:47,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1434150691, now seen corresponding path program 1 times [2024-11-08 19:08:47,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:47,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1749919065] [2024-11-08 19:08:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:47,211 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 19:08:47,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:47,213 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:47,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:47,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-08 19:08:47,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:51,318 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 27 [2024-11-08 19:08:51,423 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 14 proven. 470 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2024-11-08 19:08:51,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:52,371 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:52,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1749919065] [2024-11-08 19:08:52,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1749919065] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:52,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:52,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22] total 30 [2024-11-08 19:08:52,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101908683] [2024-11-08 19:08:52,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:52,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 19:08:52,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:52,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 19:08:52,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=767, Unknown=0, NotChecked=0, Total=870 [2024-11-08 19:08:52,375 INFO L87 Difference]: Start difference. First operand 361 states and 496 transitions. Second operand has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:53,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:53,620 INFO L93 Difference]: Finished difference Result 931 states and 1271 transitions. [2024-11-08 19:08:53,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:08:53,621 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:53,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:53,626 INFO L225 Difference]: With dead ends: 931 [2024-11-08 19:08:53,627 INFO L226 Difference]: Without dead ends: 573 [2024-11-08 19:08:53,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=171, Invalid=1089, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 19:08:53,629 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 106 mSDsluCounter, 910 mSDsCounter, 0 mSdLazyCounter, 294 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1104 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:53,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1104 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 294 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 19:08:53,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-08 19:08:53,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 369. [2024-11-08 19:08:53,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 320 states have (on average 1.315625) internal successors, (421), 322 states have internal predecessors, (421), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 19:08:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 509 transitions. [2024-11-08 19:08:53,656 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 509 transitions. Word has length 160 [2024-11-08 19:08:53,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:53,657 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 509 transitions. [2024-11-08 19:08:53,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.0) internal successors, (63), 9 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:53,657 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 509 transitions. [2024-11-08 19:08:53,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:53,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:53,660 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:53,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:53,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:53,861 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:53,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:53,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1178400603, now seen corresponding path program 1 times [2024-11-08 19:08:53,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:53,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623838910] [2024-11-08 19:08:53,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:53,862 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 19:08:53,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:53,865 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:53,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:54,309 INFO L255 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-08 19:08:54,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:08:56,670 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 31 treesize of output 27 [2024-11-08 19:08:57,116 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 94 [2024-11-08 19:08:57,124 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 77 [2024-11-08 19:08:57,131 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 60 [2024-11-08 19:08:57,317 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 28 proven. 552 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-08 19:08:57,318 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:08:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:08:57,778 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:08:57,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623838910] [2024-11-08 19:08:57,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623838910] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:08:57,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:08:57,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [20] total 23 [2024-11-08 19:08:57,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137073777] [2024-11-08 19:08:57,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:08:57,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:08:57,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:08:57,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:08:57,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:08:57,781 INFO L87 Difference]: Start difference. First operand 369 states and 509 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:58,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:08:58,182 INFO L93 Difference]: Finished difference Result 993 states and 1361 transitions. [2024-11-08 19:08:58,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-08 19:08:58,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:08:58,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:08:58,187 INFO L225 Difference]: With dead ends: 993 [2024-11-08 19:08:58,187 INFO L226 Difference]: Without dead ends: 627 [2024-11-08 19:08:58,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:08:58,189 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 55 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:08:58,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 681 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:08:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2024-11-08 19:08:58,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 623. [2024-11-08 19:08:58,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 558 states have (on average 1.3118279569892473) internal successors, (732), 564 states have internal predecessors, (732), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:08:58,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 844 transitions. [2024-11-08 19:08:58,230 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 844 transitions. Word has length 160 [2024-11-08 19:08:58,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:08:58,232 INFO L471 AbstractCegarLoop]: Abstraction has 623 states and 844 transitions. [2024-11-08 19:08:58,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:08:58,233 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 844 transitions. [2024-11-08 19:08:58,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:08:58,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:08:58,238 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:08:58,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:58,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:58,438 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:08:58,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:08:58,439 INFO L85 PathProgramCache]: Analyzing trace with hash -262347963, now seen corresponding path program 1 times [2024-11-08 19:08:58,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:08:58,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161727000] [2024-11-08 19:08:58,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:08:58,439 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 19:08:58,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:08:58,441 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:58,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:08:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:08:58,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:08:58,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:00,638 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 19:09:00,707 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 19:09:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 457 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2024-11-08 19:09:00,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:01,366 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:01,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161727000] [2024-11-08 19:09:01,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161727000] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:01,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:01,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-11-08 19:09:01,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884183443] [2024-11-08 19:09:01,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:01,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:09:01,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:01,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:09:01,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:09:01,368 INFO L87 Difference]: Start difference. First operand 623 states and 844 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:01,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:01,799 INFO L93 Difference]: Finished difference Result 1477 states and 1988 transitions. [2024-11-08 19:09:01,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:09:01,800 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:01,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:01,805 INFO L225 Difference]: With dead ends: 1477 [2024-11-08 19:09:01,805 INFO L226 Difference]: Without dead ends: 857 [2024-11-08 19:09:01,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:09:01,808 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 112 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:01,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 644 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:09:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-08 19:09:01,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 693. [2024-11-08 19:09:01,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 628 states have (on average 1.3152866242038217) internal successors, (826), 634 states have internal predecessors, (826), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:09:01,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 938 transitions. [2024-11-08 19:09:01,848 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 938 transitions. Word has length 160 [2024-11-08 19:09:01,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:01,849 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 938 transitions. [2024-11-08 19:09:01,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:01,849 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 938 transitions. [2024-11-08 19:09:01,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:01,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:01,852 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:01,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:02,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:02,052 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:02,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:02,053 INFO L85 PathProgramCache]: Analyzing trace with hash 2038474627, now seen corresponding path program 1 times [2024-11-08 19:09:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:02,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1155857377] [2024-11-08 19:09:02,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:02,054 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 19:09:02,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:02,057 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:02,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:02,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:02,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:04,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:09:04,163 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 19:09:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:04,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:04,547 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:04,548 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:04,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1155857377] [2024-11-08 19:09:04,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1155857377] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:04,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:04,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:04,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378679797] [2024-11-08 19:09:04,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:04,549 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:04,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:04,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:04,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:04,550 INFO L87 Difference]: Start difference. First operand 693 states and 938 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:04,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:04,782 INFO L93 Difference]: Finished difference Result 1547 states and 2074 transitions. [2024-11-08 19:09:04,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:04,783 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:04,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:04,788 INFO L225 Difference]: With dead ends: 1547 [2024-11-08 19:09:04,788 INFO L226 Difference]: Without dead ends: 857 [2024-11-08 19:09:04,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:04,790 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 114 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:04,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 393 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:04,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 857 states. [2024-11-08 19:09:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 857 to 685. [2024-11-08 19:09:04,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 620 states have (on average 1.3) internal successors, (806), 626 states have internal predecessors, (806), 56 states have call successors, (56), 8 states have call predecessors, (56), 8 states have return successors, (56), 50 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-08 19:09:04,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 918 transitions. [2024-11-08 19:09:04,830 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 918 transitions. Word has length 160 [2024-11-08 19:09:04,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:04,831 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 918 transitions. [2024-11-08 19:09:04,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:04,831 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 918 transitions. [2024-11-08 19:09:04,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:04,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:04,834 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:04,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:05,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:05,035 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:05,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:05,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1318949213, now seen corresponding path program 1 times [2024-11-08 19:09:05,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:05,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1982666646] [2024-11-08 19:09:05,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:09:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:05,040 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:05,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:05,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:09:05,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:06,200 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 10 proven. 426 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-08 19:09:06,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:06,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:06,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1982666646] [2024-11-08 19:09:06,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1982666646] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:06,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:06,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-08 19:09:06,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195220377] [2024-11-08 19:09:06,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:06,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:06,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:06,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:06,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-08 19:09:06,437 INFO L87 Difference]: Start difference. First operand 685 states and 918 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:06,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:06,548 INFO L93 Difference]: Finished difference Result 1396 states and 1866 transitions. [2024-11-08 19:09:06,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:06,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:06,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:06,553 INFO L225 Difference]: With dead ends: 1396 [2024-11-08 19:09:06,553 INFO L226 Difference]: Without dead ends: 714 [2024-11-08 19:09:06,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:09:06,555 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 66 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 685 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:06,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 685 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:06,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2024-11-08 19:09:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 710. [2024-11-08 19:09:06,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 710 states, 630 states have (on average 1.2825396825396826) internal successors, (808), 637 states have internal predecessors, (808), 68 states have call successors, (68), 11 states have call predecessors, (68), 11 states have return successors, (68), 61 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-08 19:09:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 710 states and 944 transitions. [2024-11-08 19:09:06,592 INFO L78 Accepts]: Start accepts. Automaton has 710 states and 944 transitions. Word has length 160 [2024-11-08 19:09:06,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:06,592 INFO L471 AbstractCegarLoop]: Abstraction has 710 states and 944 transitions. [2024-11-08 19:09:06,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 944 transitions. [2024-11-08 19:09:06,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:06,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:06,595 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:06,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:06,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:06,796 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:06,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:06,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1817115997, now seen corresponding path program 1 times [2024-11-08 19:09:06,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:06,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424783568] [2024-11-08 19:09:06,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:06,798 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 19:09:06,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:06,801 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:06,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:07,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:07,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:07,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:08,792 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 19:09:08,797 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 19:09:08,881 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:08,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:09,155 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:09,155 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:09,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424783568] [2024-11-08 19:09:09,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424783568] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:09,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:09,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:09,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757976542] [2024-11-08 19:09:09,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:09,157 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:09,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:09,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:09,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:09,158 INFO L87 Difference]: Start difference. First operand 710 states and 944 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:09,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:09,386 INFO L93 Difference]: Finished difference Result 1654 states and 2173 transitions. [2024-11-08 19:09:09,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:09,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:09,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:09,393 INFO L225 Difference]: With dead ends: 1654 [2024-11-08 19:09:09,396 INFO L226 Difference]: Without dead ends: 960 [2024-11-08 19:09:09,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:09,399 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 136 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:09,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 437 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:09,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-08 19:09:09,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 630. [2024-11-08 19:09:09,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 630 states, 554 states have (on average 1.2870036101083033) internal successors, (713), 559 states have internal predecessors, (713), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:09:09,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 841 transitions. [2024-11-08 19:09:09,434 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 841 transitions. Word has length 160 [2024-11-08 19:09:09,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:09,435 INFO L471 AbstractCegarLoop]: Abstraction has 630 states and 841 transitions. [2024-11-08 19:09:09,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:09,435 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 841 transitions. [2024-11-08 19:09:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:09,438 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:09,438 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:09,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:09,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:09,639 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:09,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:09,639 INFO L85 PathProgramCache]: Analyzing trace with hash 106112037, now seen corresponding path program 1 times [2024-11-08 19:09:09,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:09,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [128020152] [2024-11-08 19:09:09,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:09,640 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 19:09:09,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:09,641 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:09,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:10,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:10,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:11,712 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 19:09:11,718 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 19:09:11,796 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:11,797 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:12,090 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:12,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [128020152] [2024-11-08 19:09:12,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [128020152] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:12,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:12,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:12,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892188735] [2024-11-08 19:09:12,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:12,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:12,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:12,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:12,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:12,092 INFO L87 Difference]: Start difference. First operand 630 states and 841 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:12,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:12,316 INFO L93 Difference]: Finished difference Result 1414 states and 1866 transitions. [2024-11-08 19:09:12,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:12,317 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:12,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:12,322 INFO L225 Difference]: With dead ends: 1414 [2024-11-08 19:09:12,322 INFO L226 Difference]: Without dead ends: 800 [2024-11-08 19:09:12,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:12,324 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 112 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:12,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 439 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:12,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-08 19:09:12,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 622. [2024-11-08 19:09:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 546 states have (on average 1.2692307692307692) internal successors, (693), 551 states have internal predecessors, (693), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:09:12,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 821 transitions. [2024-11-08 19:09:12,368 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 821 transitions. Word has length 160 [2024-11-08 19:09:12,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:12,369 INFO L471 AbstractCegarLoop]: Abstraction has 622 states and 821 transitions. [2024-11-08 19:09:12,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 821 transitions. [2024-11-08 19:09:12,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:12,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:12,372 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:12,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:12,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:12,573 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:12,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:12,574 INFO L85 PathProgramCache]: Analyzing trace with hash 2061106881, now seen corresponding path program 1 times [2024-11-08 19:09:12,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:12,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329669387] [2024-11-08 19:09:12,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:12,575 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 19:09:12,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:12,578 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:12,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:13,014 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:13,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:14,593 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 19:09:14,602 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 21 treesize of output 13 [2024-11-08 19:09:14,679 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:14,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:15,031 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:15,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329669387] [2024-11-08 19:09:15,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329669387] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:15,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:15,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:15,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256525224] [2024-11-08 19:09:15,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:15,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:15,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:15,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:15,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:15,034 INFO L87 Difference]: Start difference. First operand 622 states and 821 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:15,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:15,289 INFO L93 Difference]: Finished difference Result 1406 states and 1838 transitions. [2024-11-08 19:09:15,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:15,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:15,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:15,294 INFO L225 Difference]: With dead ends: 1406 [2024-11-08 19:09:15,294 INFO L226 Difference]: Without dead ends: 800 [2024-11-08 19:09:15,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:15,297 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 56 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:15,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 558 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:15,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-08 19:09:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 634. [2024-11-08 19:09:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 634 states, 558 states have (on average 1.2634408602150538) internal successors, (705), 563 states have internal predecessors, (705), 64 states have call successors, (64), 11 states have call predecessors, (64), 11 states have return successors, (64), 59 states have call predecessors, (64), 64 states have call successors, (64) [2024-11-08 19:09:15,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 634 states and 833 transitions. [2024-11-08 19:09:15,332 INFO L78 Accepts]: Start accepts. Automaton has 634 states and 833 transitions. Word has length 160 [2024-11-08 19:09:15,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:15,332 INFO L471 AbstractCegarLoop]: Abstraction has 634 states and 833 transitions. [2024-11-08 19:09:15,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:15,333 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 833 transitions. [2024-11-08 19:09:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-08 19:09:15,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:15,335 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:15,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Ended with exit code 0 [2024-11-08 19:09:15,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:15,536 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:15,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:15,536 INFO L85 PathProgramCache]: Analyzing trace with hash 781243203, now seen corresponding path program 1 times [2024-11-08 19:09:15,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:15,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1844375598] [2024-11-08 19:09:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:15,537 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 19:09:15,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:15,538 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:15,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:15,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:15,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:09:15,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:17,729 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 19:09:17,791 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 19:09:17,884 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 13 proven. 443 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-11-08 19:09:17,884 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:18,372 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:18,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1844375598] [2024-11-08 19:09:18,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1844375598] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:18,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:18,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 23 [2024-11-08 19:09:18,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927219695] [2024-11-08 19:09:18,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:18,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:09:18,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:09:18,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=436, Unknown=0, NotChecked=0, Total=506 [2024-11-08 19:09:18,375 INFO L87 Difference]: Start difference. First operand 634 states and 833 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:18,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:18,847 INFO L93 Difference]: Finished difference Result 1430 states and 1860 transitions. [2024-11-08 19:09:18,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 19:09:18,848 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 160 [2024-11-08 19:09:18,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:18,853 INFO L225 Difference]: With dead ends: 1430 [2024-11-08 19:09:18,853 INFO L226 Difference]: Without dead ends: 812 [2024-11-08 19:09:18,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:09:18,856 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 106 mSDsluCounter, 593 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 790 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:18,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 790 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:09:18,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2024-11-08 19:09:18,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 764. [2024-11-08 19:09:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 764 states, 670 states have (on average 1.2447761194029852) internal successors, (834), 678 states have internal predecessors, (834), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:18,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 986 transitions. [2024-11-08 19:09:18,914 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 986 transitions. Word has length 160 [2024-11-08 19:09:18,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:18,915 INFO L471 AbstractCegarLoop]: Abstraction has 764 states and 986 transitions. [2024-11-08 19:09:18,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 986 transitions. [2024-11-08 19:09:18,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:09:18,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:18,917 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:18,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Ended with exit code 0 [2024-11-08 19:09:19,118 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:19,120 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:19,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:19,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1309087190, now seen corresponding path program 1 times [2024-11-08 19:09:19,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:19,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [652972234] [2024-11-08 19:09:19,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:19,122 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 19:09:19,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:19,125 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:19,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:09:19,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:19,903 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 27 treesize of output 23 [2024-11-08 19:09:19,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:09:19,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:09:20,052 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 19:09:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-11-08 19:09:20,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:23,419 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:23,419 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:23,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [652972234] [2024-11-08 19:09:23,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [652972234] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:23,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:23,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [13] total 20 [2024-11-08 19:09:23,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282317613] [2024-11-08 19:09:23,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:23,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 19:09:23,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:23,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 19:09:23,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:23,421 INFO L87 Difference]: Start difference. First operand 764 states and 986 transitions. Second operand has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:24,431 INFO L93 Difference]: Finished difference Result 1706 states and 2200 transitions. [2024-11-08 19:09:24,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:09:24,433 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:09:24,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:24,437 INFO L225 Difference]: With dead ends: 1706 [2024-11-08 19:09:24,438 INFO L226 Difference]: Without dead ends: 958 [2024-11-08 19:09:24,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=85, Invalid=617, Unknown=0, NotChecked=0, Total=702 [2024-11-08 19:09:24,440 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 59 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:24,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1449 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:09:24,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-08 19:09:24,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 824. [2024-11-08 19:09:24,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 730 states have (on average 1.252054794520548) internal successors, (914), 738 states have internal predecessors, (914), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:24,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1066 transitions. [2024-11-08 19:09:24,500 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1066 transitions. Word has length 162 [2024-11-08 19:09:24,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:24,500 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1066 transitions. [2024-11-08 19:09:24,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:24,501 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1066 transitions. [2024-11-08 19:09:24,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:09:24,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:24,502 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:24,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:24,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:24,707 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:24,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:24,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1706016428, now seen corresponding path program 1 times [2024-11-08 19:09:24,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:24,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1739113624] [2024-11-08 19:09:24,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:24,708 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 19:09:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:24,711 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:24,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:25,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:25,195 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:26,831 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 24 treesize of output 16 [2024-11-08 19:09:26,835 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 29 treesize of output 17 [2024-11-08 19:09:26,902 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:26,903 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:27,221 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:27,221 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:27,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1739113624] [2024-11-08 19:09:27,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1739113624] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:27,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:27,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:27,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89603866] [2024-11-08 19:09:27,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:27,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:27,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:27,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:27,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:27,223 INFO L87 Difference]: Start difference. First operand 824 states and 1066 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:27,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:27,457 INFO L93 Difference]: Finished difference Result 1791 states and 2305 transitions. [2024-11-08 19:09:27,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:27,458 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:09:27,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:27,463 INFO L225 Difference]: With dead ends: 1791 [2024-11-08 19:09:27,463 INFO L226 Difference]: Without dead ends: 983 [2024-11-08 19:09:27,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:27,466 INFO L432 NwaCegarLoop]: 137 mSDtfsCounter, 102 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:27,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 385 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:27,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 983 states. [2024-11-08 19:09:27,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 983 to 824. [2024-11-08 19:09:27,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 824 states, 730 states have (on average 1.2410958904109588) internal successors, (906), 738 states have internal predecessors, (906), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:27,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 824 states and 1058 transitions. [2024-11-08 19:09:27,514 INFO L78 Accepts]: Start accepts. Automaton has 824 states and 1058 transitions. Word has length 162 [2024-11-08 19:09:27,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:27,515 INFO L471 AbstractCegarLoop]: Abstraction has 824 states and 1058 transitions. [2024-11-08 19:09:27,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:27,515 INFO L276 IsEmpty]: Start isEmpty. Operand 824 states and 1058 transitions. [2024-11-08 19:09:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:09:27,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:27,517 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:27,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:27,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:27,718 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:27,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:27,718 INFO L85 PathProgramCache]: Analyzing trace with hash 77116204, now seen corresponding path program 1 times [2024-11-08 19:09:27,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:27,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078378125] [2024-11-08 19:09:27,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:27,719 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 19:09:27,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:27,720 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:27,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:28,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:28,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 19:09:28,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:29,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:09:29,870 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 19:09:29,946 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 15 proven. 369 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2024-11-08 19:09:29,946 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:30,209 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:30,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078378125] [2024-11-08 19:09:30,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078378125] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:30,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:09:30,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 19 [2024-11-08 19:09:30,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922563000] [2024-11-08 19:09:30,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:30,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:30,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:30,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:30,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:30,211 INFO L87 Difference]: Start difference. First operand 824 states and 1058 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:30,471 INFO L93 Difference]: Finished difference Result 1715 states and 2195 transitions. [2024-11-08 19:09:30,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:30,472 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:09:30,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:30,476 INFO L225 Difference]: With dead ends: 1715 [2024-11-08 19:09:30,477 INFO L226 Difference]: Without dead ends: 907 [2024-11-08 19:09:30,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2024-11-08 19:09:30,479 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 128 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:30,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 391 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 19:09:30,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 907 states. [2024-11-08 19:09:30,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 907 to 768. [2024-11-08 19:09:30,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 674 states have (on average 1.2344213649851632) internal successors, (832), 682 states have internal predecessors, (832), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:30,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 984 transitions. [2024-11-08 19:09:30,528 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 984 transitions. Word has length 162 [2024-11-08 19:09:30,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:30,529 INFO L471 AbstractCegarLoop]: Abstraction has 768 states and 984 transitions. [2024-11-08 19:09:30,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:30,529 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 984 transitions. [2024-11-08 19:09:30,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:09:30,531 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:30,531 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:30,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:30,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:30,732 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:30,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:30,732 INFO L85 PathProgramCache]: Analyzing trace with hash 835268685, now seen corresponding path program 1 times [2024-11-08 19:09:30,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:30,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [454822057] [2024-11-08 19:09:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:30,733 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 19:09:30,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:30,735 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:30,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:31,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 398 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 19:09:31,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:31,224 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:31,224 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:31,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [454822057] [2024-11-08 19:09:31,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [454822057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:31,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:31,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 19:09:31,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271532470] [2024-11-08 19:09:31,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:31,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:09:31,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:31,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:09:31,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:09:31,227 INFO L87 Difference]: Start difference. First operand 768 states and 984 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:31,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:31,317 INFO L93 Difference]: Finished difference Result 1547 states and 1985 transitions. [2024-11-08 19:09:31,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:09:31,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:09:31,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:31,322 INFO L225 Difference]: With dead ends: 1547 [2024-11-08 19:09:31,323 INFO L226 Difference]: Without dead ends: 795 [2024-11-08 19:09:31,324 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 19:09:31,325 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 535 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:31,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 535 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:09:31,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2024-11-08 19:09:31,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 795. [2024-11-08 19:09:31,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 701 states have (on average 1.225392296718973) internal successors, (859), 709 states have internal predecessors, (859), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:31,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1011 transitions. [2024-11-08 19:09:31,375 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1011 transitions. Word has length 162 [2024-11-08 19:09:31,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:31,376 INFO L471 AbstractCegarLoop]: Abstraction has 795 states and 1011 transitions. [2024-11-08 19:09:31,376 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:31,376 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1011 transitions. [2024-11-08 19:09:31,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-08 19:09:31,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:31,378 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:31,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:31,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:31,579 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:31,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:31,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1372834730, now seen corresponding path program 1 times [2024-11-08 19:09:31,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:31,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812150694] [2024-11-08 19:09:31,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:31,582 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 19:09:31,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:31,585 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:31,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:32,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 19:09:32,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:32,218 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 27 treesize of output 23 [2024-11-08 19:09:32,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:09:32,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:09:32,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2024-11-08 19:09:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:32,614 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:32,614 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:32,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812150694] [2024-11-08 19:09:32,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812150694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:32,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:32,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 19:09:32,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226861384] [2024-11-08 19:09:32,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:32,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 19:09:32,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:32,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 19:09:32,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:09:32,617 INFO L87 Difference]: Start difference. First operand 795 states and 1011 transitions. Second operand has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:34,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:34,333 INFO L93 Difference]: Finished difference Result 1684 states and 2142 transitions. [2024-11-08 19:09:34,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:09:34,334 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 162 [2024-11-08 19:09:34,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:34,337 INFO L225 Difference]: With dead ends: 1684 [2024-11-08 19:09:34,337 INFO L226 Difference]: Without dead ends: 905 [2024-11-08 19:09:34,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:09:34,338 INFO L432 NwaCegarLoop]: 165 mSDtfsCounter, 190 mSDsluCounter, 1066 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 1231 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:34,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 1231 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-08 19:09:34,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-08 19:09:34,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 775. [2024-11-08 19:09:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 775 states, 681 states have (on average 1.2290748898678414) internal successors, (837), 689 states have internal predecessors, (837), 76 states have call successors, (76), 17 states have call predecessors, (76), 17 states have return successors, (76), 68 states have call predecessors, (76), 76 states have call successors, (76) [2024-11-08 19:09:34,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 775 states and 989 transitions. [2024-11-08 19:09:34,395 INFO L78 Accepts]: Start accepts. Automaton has 775 states and 989 transitions. Word has length 162 [2024-11-08 19:09:34,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:34,396 INFO L471 AbstractCegarLoop]: Abstraction has 775 states and 989 transitions. [2024-11-08 19:09:34,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 5.416666666666667) internal successors, (65), 12 states have internal predecessors, (65), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:34,396 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 989 transitions. [2024-11-08 19:09:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:09:34,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:34,398 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:34,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:34,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:34,599 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:34,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:34,599 INFO L85 PathProgramCache]: Analyzing trace with hash -2039728058, now seen corresponding path program 1 times [2024-11-08 19:09:34,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:34,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850460457] [2024-11-08 19:09:34,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:34,601 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 19:09:34,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:34,604 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:34,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:35,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:09:35,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:36,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:09:37,316 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 125 treesize of output 89 [2024-11-08 19:09:37,319 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 137 treesize of output 77 [2024-11-08 19:09:37,423 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:09:37,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:37,829 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:37,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1850460457] [2024-11-08 19:09:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1850460457] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:37,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [760808465] [2024-11-08 19:09:37,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:37,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:37,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:37,831 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:37,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-08 19:09:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:38,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:09:38,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:39,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:09:40,001 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 125 treesize of output 89 [2024-11-08 19:09:40,004 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 113 treesize of output 65 [2024-11-08 19:09:40,035 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 19:09:40,036 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:40,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [760808465] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:40,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:09:40,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 17 [2024-11-08 19:09:40,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607343484] [2024-11-08 19:09:40,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:09:40,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 19:09:40,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:40,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 19:09:40,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-11-08 19:09:40,306 INFO L87 Difference]: Start difference. First operand 775 states and 989 transitions. Second operand has 18 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-08 19:09:44,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:44,567 INFO L93 Difference]: Finished difference Result 1623 states and 2048 transitions. [2024-11-08 19:09:44,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 19:09:44,568 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) Word has length 164 [2024-11-08 19:09:44,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:44,574 INFO L225 Difference]: With dead ends: 1623 [2024-11-08 19:09:44,574 INFO L226 Difference]: Without dead ends: 1621 [2024-11-08 19:09:44,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 418 GetRequests, 381 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=240, Invalid=1166, Unknown=0, NotChecked=0, Total=1406 [2024-11-08 19:09:44,576 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 267 mSDsluCounter, 1194 mSDsCounter, 0 mSdLazyCounter, 901 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 1342 SdHoareTripleChecker+Invalid, 987 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 901 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:44,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [268 Valid, 1342 Invalid, 987 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 901 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 19:09:44,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2024-11-08 19:09:44,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1551. [2024-11-08 19:09:44,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1551 states, 1367 states have (on average 1.2238478419897585) internal successors, (1673), 1384 states have internal predecessors, (1673), 148 states have call successors, (148), 35 states have call predecessors, (148), 35 states have return successors, (148), 131 states have call predecessors, (148), 148 states have call successors, (148) [2024-11-08 19:09:44,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1551 states and 1969 transitions. [2024-11-08 19:09:44,726 INFO L78 Accepts]: Start accepts. Automaton has 1551 states and 1969 transitions. Word has length 164 [2024-11-08 19:09:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:44,727 INFO L471 AbstractCegarLoop]: Abstraction has 1551 states and 1969 transitions. [2024-11-08 19:09:44,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.722222222222222) internal successors, (139), 17 states have internal predecessors, (139), 4 states have call successors, (40), 4 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 4 states have call successors, (40) [2024-11-08 19:09:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1969 transitions. [2024-11-08 19:09:44,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:09:44,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:44,730 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:44,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:44,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:45,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:45,131 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:45,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:45,132 INFO L85 PathProgramCache]: Analyzing trace with hash -2037881016, now seen corresponding path program 1 times [2024-11-08 19:09:45,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:45,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [752244747] [2024-11-08 19:09:45,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:45,133 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 19:09:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:45,134 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:45,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:45,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-08 19:09:45,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:45,598 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 12 treesize of output 8 [2024-11-08 19:09:45,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 19:09:45,746 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:45,747 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:45,747 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:45,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [752244747] [2024-11-08 19:09:45,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [752244747] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:45,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:45,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:09:45,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440464552] [2024-11-08 19:09:45,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:45,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:09:45,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:45,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:09:45,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:09:45,750 INFO L87 Difference]: Start difference. First operand 1551 states and 1969 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:46,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:46,270 INFO L93 Difference]: Finished difference Result 4675 states and 5941 transitions. [2024-11-08 19:09:46,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:09:46,272 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-08 19:09:46,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:46,284 INFO L225 Difference]: With dead ends: 4675 [2024-11-08 19:09:46,285 INFO L226 Difference]: Without dead ends: 3140 [2024-11-08 19:09:46,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-08 19:09:46,288 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 121 mSDsluCounter, 779 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 999 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:46,288 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 999 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 19:09:46,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3140 states. [2024-11-08 19:09:46,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3140 to 2533. [2024-11-08 19:09:46,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 2272 states have (on average 1.2275528169014085) internal successors, (2789), 2295 states have internal predecessors, (2789), 211 states have call successors, (211), 49 states have call predecessors, (211), 49 states have return successors, (211), 188 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-08 19:09:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 3211 transitions. [2024-11-08 19:09:46,531 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 3211 transitions. Word has length 164 [2024-11-08 19:09:46,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:46,532 INFO L471 AbstractCegarLoop]: Abstraction has 2533 states and 3211 transitions. [2024-11-08 19:09:46,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:46,532 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 3211 transitions. [2024-11-08 19:09:46,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:09:46,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:46,535 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:46,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:46,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:46,737 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:46,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:46,737 INFO L85 PathProgramCache]: Analyzing trace with hash 1447739654, now seen corresponding path program 1 times [2024-11-08 19:09:46,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:46,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82220449] [2024-11-08 19:09:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:46,738 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 19:09:46,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:46,741 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:46,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:47,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:09:47,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:48,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-08 19:09:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 420 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-08 19:09:48,564 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:48,760 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:48,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82220449] [2024-11-08 19:09:48,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82220449] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:48,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963819199] [2024-11-08 19:09:48,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:48,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:48,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:48,765 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:48,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-08 19:09:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:49,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:09:49,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:49,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 19:09:49,954 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 427 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-08 19:09:49,954 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:50,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963819199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:50,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:09:50,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2024-11-08 19:09:50,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459288231] [2024-11-08 19:09:50,079 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:09:50,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 19:09:50,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:50,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 19:09:50,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:50,081 INFO L87 Difference]: Start difference. First operand 2533 states and 3211 transitions. Second operand has 17 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-08 19:09:52,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:52,512 INFO L93 Difference]: Finished difference Result 5174 states and 6509 transitions. [2024-11-08 19:09:52,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 19:09:52,513 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 164 [2024-11-08 19:09:52,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:52,525 INFO L225 Difference]: With dead ends: 5174 [2024-11-08 19:09:52,525 INFO L226 Difference]: Without dead ends: 2657 [2024-11-08 19:09:52,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2024-11-08 19:09:52,529 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 216 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 759 SdHoareTripleChecker+Invalid, 453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:52,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 759 Invalid, 453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:09:52,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2657 states. [2024-11-08 19:09:52,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2657 to 2563. [2024-11-08 19:09:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2563 states, 2290 states have (on average 1.2074235807860263) internal successors, (2765), 2313 states have internal predecessors, (2765), 211 states have call successors, (211), 61 states have call predecessors, (211), 61 states have return successors, (211), 188 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-08 19:09:52,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2563 states and 3187 transitions. [2024-11-08 19:09:52,791 INFO L78 Accepts]: Start accepts. Automaton has 2563 states and 3187 transitions. Word has length 164 [2024-11-08 19:09:52,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:52,792 INFO L471 AbstractCegarLoop]: Abstraction has 2563 states and 3187 transitions. [2024-11-08 19:09:52,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 8.928571428571429) internal successors, (125), 15 states have internal predecessors, (125), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-08 19:09:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 2563 states and 3187 transitions. [2024-11-08 19:09:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:09:52,795 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:52,795 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:52,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:53,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-08 19:09:53,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:53,196 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:53,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:53,197 INFO L85 PathProgramCache]: Analyzing trace with hash 239615412, now seen corresponding path program 1 times [2024-11-08 19:09:53,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:53,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1365001654] [2024-11-08 19:09:53,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:53,198 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 19:09:53,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:53,201 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:53,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:53,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:09:53,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:53,696 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 12 treesize of output 8 [2024-11-08 19:09:53,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-11-08 19:09:53,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2024-11-08 19:09:53,906 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:09:53,906 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:09:53,907 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1365001654] [2024-11-08 19:09:53,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1365001654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:09:53,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:09:53,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:09:53,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438489134] [2024-11-08 19:09:53,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:09:53,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:09:53,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:53,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:09:53,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:09:53,909 INFO L87 Difference]: Start difference. First operand 2563 states and 3187 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:54,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:09:54,949 INFO L93 Difference]: Finished difference Result 6905 states and 8495 transitions. [2024-11-08 19:09:54,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:09:54,950 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 164 [2024-11-08 19:09:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:09:54,969 INFO L225 Difference]: With dead ends: 6905 [2024-11-08 19:09:54,969 INFO L226 Difference]: Without dead ends: 4358 [2024-11-08 19:09:54,973 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:09:54,974 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 243 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 167 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 975 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 167 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:09:54,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 975 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 167 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:09:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4358 states. [2024-11-08 19:09:55,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4358 to 2931. [2024-11-08 19:09:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2931 states, 2658 states have (on average 1.1982693754702785) internal successors, (3185), 2681 states have internal predecessors, (3185), 211 states have call successors, (211), 61 states have call predecessors, (211), 61 states have return successors, (211), 188 states have call predecessors, (211), 211 states have call successors, (211) [2024-11-08 19:09:55,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 3607 transitions. [2024-11-08 19:09:55,343 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 3607 transitions. Word has length 164 [2024-11-08 19:09:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:09:55,344 INFO L471 AbstractCegarLoop]: Abstraction has 2931 states and 3607 transitions. [2024-11-08 19:09:55,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:09:55,344 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3607 transitions. [2024-11-08 19:09:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-08 19:09:55,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:09:55,351 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:09:55,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:55,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:55,551 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:09:55,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:09:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash -114652982, now seen corresponding path program 1 times [2024-11-08 19:09:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:09:55,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1542426482] [2024-11-08 19:09:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:55,552 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 19:09:55,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:09:55,554 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:55,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:09:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:55,983 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 19:09:55,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:57,122 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 19:09:57,171 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 420 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-08 19:09:57,171 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:57,337 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:09:57,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1542426482] [2024-11-08 19:09:57,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1542426482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:57,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710669340] [2024-11-08 19:09:57,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:09:57,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:09:57,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:09:57,339 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:09:57,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-08 19:09:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:09:57,656 INFO L255 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:09:57,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:09:58,416 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 18 treesize of output 10 [2024-11-08 19:09:58,557 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 9 proven. 427 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2024-11-08 19:09:58,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:09:58,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710669340] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:09:58,615 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:09:58,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2024-11-08 19:09:58,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154409168] [2024-11-08 19:09:58,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:09:58,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 19:09:58,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:09:58,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 19:09:58,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=284, Unknown=0, NotChecked=0, Total=342 [2024-11-08 19:09:58,616 INFO L87 Difference]: Start difference. First operand 2931 states and 3607 transitions. Second operand has 17 states, 14 states have (on average 7.571428571428571) internal successors, (106), 15 states have internal predecessors, (106), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-08 19:10:00,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:00,927 INFO L93 Difference]: Finished difference Result 4985 states and 6100 transitions. [2024-11-08 19:10:00,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 19:10:00,928 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 7.571428571428571) internal successors, (106), 15 states have internal predecessors, (106), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 164 [2024-11-08 19:10:00,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:00,937 INFO L225 Difference]: With dead ends: 4985 [2024-11-08 19:10:00,937 INFO L226 Difference]: Without dead ends: 2070 [2024-11-08 19:10:00,941 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=161, Invalid=651, Unknown=0, NotChecked=0, Total=812 [2024-11-08 19:10:00,941 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 258 mSDsluCounter, 734 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 844 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:00,942 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 844 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 19:10:00,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2070 states. [2024-11-08 19:10:01,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2070 to 2002. [2024-11-08 19:10:01,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2002 states, 1791 states have (on average 1.1613623673925182) internal successors, (2080), 1808 states have internal predecessors, (2080), 164 states have call successors, (164), 46 states have call predecessors, (164), 46 states have return successors, (164), 147 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-08 19:10:01,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2002 states to 2002 states and 2408 transitions. [2024-11-08 19:10:01,210 INFO L78 Accepts]: Start accepts. Automaton has 2002 states and 2408 transitions. Word has length 164 [2024-11-08 19:10:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:01,211 INFO L471 AbstractCegarLoop]: Abstraction has 2002 states and 2408 transitions. [2024-11-08 19:10:01,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 7.571428571428571) internal successors, (106), 15 states have internal predecessors, (106), 6 states have call successors, (30), 4 states have call predecessors, (30), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2024-11-08 19:10:01,212 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2408 transitions. [2024-11-08 19:10:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 19:10:01,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:01,219 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:01,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:01,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-08 19:10:01,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:10:01,620 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:01,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:01,621 INFO L85 PathProgramCache]: Analyzing trace with hash 584436634, now seen corresponding path program 1 times [2024-11-08 19:10:01,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:01,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756995519] [2024-11-08 19:10:01,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:01,622 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 19:10:01,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:01,623 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:01,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:02,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 19:10:02,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:10:02,238 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:10:02,238 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:02,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756995519] [2024-11-08 19:10:02,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756995519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:10:02,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:10:02,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:10:02,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280517780] [2024-11-08 19:10:02,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:02,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:10:02,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:02,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:10:02,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:10:02,240 INFO L87 Difference]: Start difference. First operand 2002 states and 2408 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:02,445 INFO L93 Difference]: Finished difference Result 4009 states and 4820 transitions. [2024-11-08 19:10:02,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:10:02,446 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-08 19:10:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:02,454 INFO L225 Difference]: With dead ends: 4009 [2024-11-08 19:10:02,454 INFO L226 Difference]: Without dead ends: 2074 [2024-11-08 19:10:02,457 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:10:02,457 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:02,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 654 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:10:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2024-11-08 19:10:02,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2020. [2024-11-08 19:10:02,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 1809 states have (on average 1.1597567716970703) internal successors, (2098), 1826 states have internal predecessors, (2098), 164 states have call successors, (164), 46 states have call predecessors, (164), 46 states have return successors, (164), 147 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-08 19:10:02,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2426 transitions. [2024-11-08 19:10:02,649 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2426 transitions. Word has length 165 [2024-11-08 19:10:02,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:02,650 INFO L471 AbstractCegarLoop]: Abstraction has 2020 states and 2426 transitions. [2024-11-08 19:10:02,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:02,650 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2426 transitions. [2024-11-08 19:10:02,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 19:10:02,652 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:02,653 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:02,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:02,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:02,854 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:02,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:02,854 INFO L85 PathProgramCache]: Analyzing trace with hash -116627944, now seen corresponding path program 1 times [2024-11-08 19:10:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1049230916] [2024-11-08 19:10:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:02,855 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 19:10:02,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:02,858 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:02,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:03,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:03,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:10:03,526 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:08,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 19:10:08,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-08 19:10:08,400 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 27 treesize of output 15 [2024-11-08 19:10:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 617 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-11-08 19:10:08,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:12,320 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1049230916] [2024-11-08 19:10:12,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1049230916] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:12,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1651055613] [2024-11-08 19:10:12,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:12,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:10:12,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:10:12,322 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:10:12,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-08 19:10:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:12,724 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-08 19:10:12,728 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:15,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:10:18,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 19:10:18,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-08 19:10:18,288 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 19:10:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 26 proven. 618 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-08 19:10:18,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:19,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1651055613] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:19,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:10:19,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27] total 31 [2024-11-08 19:10:19,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88221511] [2024-11-08 19:10:19,125 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:10:19,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-08 19:10:19,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:19,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-08 19:10:19,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=1117, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 19:10:19,127 INFO L87 Difference]: Start difference. First operand 2020 states and 2426 transitions. Second operand has 32 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 6 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-08 19:10:28,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:28,906 INFO L93 Difference]: Finished difference Result 3960 states and 4665 transitions. [2024-11-08 19:10:28,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-08 19:10:28,907 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 6 states have call predecessors, (22), 10 states have call successors, (22) Word has length 165 [2024-11-08 19:10:28,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:28,919 INFO L225 Difference]: With dead ends: 3960 [2024-11-08 19:10:28,919 INFO L226 Difference]: Without dead ends: 2762 [2024-11-08 19:10:28,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 370 SyntacticMatches, 2 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1228 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=697, Invalid=3995, Unknown=0, NotChecked=0, Total=4692 [2024-11-08 19:10:28,923 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 753 mSDsluCounter, 1294 mSDsCounter, 0 mSdLazyCounter, 1116 mSolverCounterSat, 177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 753 SdHoareTripleChecker+Valid, 1391 SdHoareTripleChecker+Invalid, 1293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 177 IncrementalHoareTripleChecker+Valid, 1116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:28,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [753 Valid, 1391 Invalid, 1293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [177 Valid, 1116 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-08 19:10:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2762 states. [2024-11-08 19:10:29,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2762 to 1913. [2024-11-08 19:10:29,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1714 states have (on average 1.1528588098016337) internal successors, (1976), 1728 states have internal predecessors, (1976), 136 states have call successors, (136), 62 states have call predecessors, (136), 62 states have return successors, (136), 122 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-08 19:10:29,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2248 transitions. [2024-11-08 19:10:29,232 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2248 transitions. Word has length 165 [2024-11-08 19:10:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:29,233 INFO L471 AbstractCegarLoop]: Abstraction has 1913 states and 2248 transitions. [2024-11-08 19:10:29,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 26 states have (on average 3.730769230769231) internal successors, (97), 26 states have internal predecessors, (97), 10 states have call successors, (22), 8 states have call predecessors, (22), 10 states have return successors, (22), 6 states have call predecessors, (22), 10 states have call successors, (22) [2024-11-08 19:10:29,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2248 transitions. [2024-11-08 19:10:29,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 19:10:29,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:29,236 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:29,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-08 19:10:29,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:29,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:29,637 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:29,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:29,637 INFO L85 PathProgramCache]: Analyzing trace with hash 23920666, now seen corresponding path program 1 times [2024-11-08 19:10:29,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:29,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [911144958] [2024-11-08 19:10:29,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:29,638 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 19:10:29,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:29,639 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:29,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:30,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 19:10:30,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:34,446 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 28 [2024-11-08 19:10:34,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 24 [2024-11-08 19:10:34,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 25 [2024-11-08 19:10:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 6 proven. 590 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2024-11-08 19:10:35,168 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:40,590 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:10:40,590 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:40,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [911144958] [2024-11-08 19:10:40,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [911144958] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:40,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:10:40,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-08 19:10:40,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393002436] [2024-11-08 19:10:40,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:40,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 19:10:40,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:40,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 19:10:40,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:10:40,593 INFO L87 Difference]: Start difference. First operand 1913 states and 2248 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:43,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:43,961 INFO L93 Difference]: Finished difference Result 4505 states and 5280 transitions. [2024-11-08 19:10:43,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:10:43,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-08 19:10:43,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:43,977 INFO L225 Difference]: With dead ends: 4505 [2024-11-08 19:10:43,978 INFO L226 Difference]: Without dead ends: 2595 [2024-11-08 19:10:43,980 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2024-11-08 19:10:43,981 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 84 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:43,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 437 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 19:10:43,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2595 states. [2024-11-08 19:10:44,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2595 to 2083. [2024-11-08 19:10:44,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1884 states have (on average 1.1624203821656052) internal successors, (2190), 1898 states have internal predecessors, (2190), 136 states have call successors, (136), 62 states have call predecessors, (136), 62 states have return successors, (136), 122 states have call predecessors, (136), 136 states have call successors, (136) [2024-11-08 19:10:44,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 2462 transitions. [2024-11-08 19:10:44,311 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 2462 transitions. Word has length 165 [2024-11-08 19:10:44,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:44,312 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 2462 transitions. [2024-11-08 19:10:44,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2462 transitions. [2024-11-08 19:10:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-08 19:10:44,314 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:44,315 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:44,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:44,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:44,515 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:44,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:44,516 INFO L85 PathProgramCache]: Analyzing trace with hash -741778728, now seen corresponding path program 1 times [2024-11-08 19:10:44,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:44,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [337190254] [2024-11-08 19:10:44,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:44,516 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 19:10:44,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:44,517 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:44,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:45,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:45,131 INFO L255 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-08 19:10:45,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:52,236 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 12 treesize of output 8 [2024-11-08 19:10:52,578 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 19:10:53,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 107 [2024-11-08 19:10:53,791 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 120 treesize of output 100 [2024-11-08 19:10:53,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 82 [2024-11-08 19:10:53,815 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 81 treesize of output 69 [2024-11-08 19:10:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 45 proven. 333 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2024-11-08 19:10:54,421 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:10:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 19:10:55,690 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:10:55,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [337190254] [2024-11-08 19:10:55,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [337190254] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:10:55,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:10:55,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 26 [2024-11-08 19:10:55,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114988595] [2024-11-08 19:10:55,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:10:55,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-08 19:10:55,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:10:55,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-08 19:10:55,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2024-11-08 19:10:55,693 INFO L87 Difference]: Start difference. First operand 2083 states and 2462 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:57,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:10:57,114 INFO L93 Difference]: Finished difference Result 4011 states and 4738 transitions. [2024-11-08 19:10:57,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 19:10:57,114 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 165 [2024-11-08 19:10:57,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:10:57,120 INFO L225 Difference]: With dead ends: 4011 [2024-11-08 19:10:57,120 INFO L226 Difference]: Without dead ends: 2589 [2024-11-08 19:10:57,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=87, Invalid=783, Unknown=0, NotChecked=0, Total=870 [2024-11-08 19:10:57,122 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 75 mSDsluCounter, 929 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1141 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 19:10:57,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1141 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 19:10:57,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2589 states. [2024-11-08 19:10:57,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2589 to 2537. [2024-11-08 19:10:57,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2537 states, 2240 states have (on average 1.136607142857143) internal successors, (2546), 2266 states have internal predecessors, (2546), 204 states have call successors, (204), 92 states have call predecessors, (204), 92 states have return successors, (204), 178 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-08 19:10:57,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 2537 states and 2954 transitions. [2024-11-08 19:10:57,437 INFO L78 Accepts]: Start accepts. Automaton has 2537 states and 2954 transitions. Word has length 165 [2024-11-08 19:10:57,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:10:57,438 INFO L471 AbstractCegarLoop]: Abstraction has 2537 states and 2954 transitions. [2024-11-08 19:10:57,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:10:57,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2537 states and 2954 transitions. [2024-11-08 19:10:57,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 19:10:57,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:10:57,440 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:10:57,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:57,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:57,641 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:10:57,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:10:57,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1799412818, now seen corresponding path program 1 times [2024-11-08 19:10:57,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:10:57,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455093286] [2024-11-08 19:10:57,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:10:57,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 19:10:57,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:10:57,646 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:10:57,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2024-11-08 19:10:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:10:58,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 19:10:58,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:10:59,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 43 [2024-11-08 19:10:59,870 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:10:59,870 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:00,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2024-11-08 19:11:00,864 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 19:11:00,864 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:00,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455093286] [2024-11-08 19:11:00,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1455093286] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:00,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 19:11:00,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2024-11-08 19:11:00,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120976877] [2024-11-08 19:11:00,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:00,865 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:11:00,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:00,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:11:00,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-08 19:11:00,867 INFO L87 Difference]: Start difference. First operand 2537 states and 2954 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:11:02,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:02,623 INFO L93 Difference]: Finished difference Result 5225 states and 6063 transitions. [2024-11-08 19:11:02,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-08 19:11:02,624 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 166 [2024-11-08 19:11:02,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:02,632 INFO L225 Difference]: With dead ends: 5225 [2024-11-08 19:11:02,632 INFO L226 Difference]: Without dead ends: 2669 [2024-11-08 19:11:02,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2024-11-08 19:11:02,638 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 13 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 628 SdHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:02,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 628 Invalid, 214 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 19:11:02,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2669 states. [2024-11-08 19:11:03,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2669 to 2533. [2024-11-08 19:11:03,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2533 states, 2236 states have (on average 1.135062611806798) internal successors, (2538), 2262 states have internal predecessors, (2538), 204 states have call successors, (204), 92 states have call predecessors, (204), 92 states have return successors, (204), 178 states have call predecessors, (204), 204 states have call successors, (204) [2024-11-08 19:11:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2533 states to 2533 states and 2946 transitions. [2024-11-08 19:11:03,020 INFO L78 Accepts]: Start accepts. Automaton has 2533 states and 2946 transitions. Word has length 166 [2024-11-08 19:11:03,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:03,021 INFO L471 AbstractCegarLoop]: Abstraction has 2533 states and 2946 transitions. [2024-11-08 19:11:03,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 8 states have internal predecessors, (72), 2 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 19:11:03,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2533 states and 2946 transitions. [2024-11-08 19:11:03,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-08 19:11:03,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:03,024 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:03,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2024-11-08 19:11:03,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:03,224 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:03,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:03,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1446324436, now seen corresponding path program 1 times [2024-11-08 19:11:03,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:03,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1574822187] [2024-11-08 19:11:03,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:03,225 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 19:11:03,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:03,226 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:03,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:03,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 19:11:03,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:08,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:11:09,694 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 125 treesize of output 89 [2024-11-08 19:11:09,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 135 treesize of output 75 [2024-11-08 19:11:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 19:11:10,042 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:11,291 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:11,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1574822187] [2024-11-08 19:11:11,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1574822187] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:11,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743605214] [2024-11-08 19:11:11,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:11:11,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:11:11,293 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:11:11,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-08 19:11:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:11,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-08 19:11:11,837 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:16,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 19:11:17,432 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 125 treesize of output 89 [2024-11-08 19:11:17,447 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 135 treesize of output 75 [2024-11-08 19:11:17,534 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-11-08 19:11:17,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:18,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743605214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:18,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:11:18,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 15 [2024-11-08 19:11:18,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893843635] [2024-11-08 19:11:18,277 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 19:11:18,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 19:11:18,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:18,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 19:11:18,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2024-11-08 19:11:18,279 INFO L87 Difference]: Start difference. First operand 2533 states and 2946 transitions. Second operand has 16 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:11:27,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:27,588 INFO L93 Difference]: Finished difference Result 2805 states and 3236 transitions. [2024-11-08 19:11:27,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-08 19:11:27,589 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 166 [2024-11-08 19:11:27,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:27,594 INFO L225 Difference]: With dead ends: 2805 [2024-11-08 19:11:27,594 INFO L226 Difference]: Without dead ends: 2803 [2024-11-08 19:11:27,595 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 386 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=283, Invalid=1199, Unknown=0, NotChecked=0, Total=1482 [2024-11-08 19:11:27,596 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 187 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 1022 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 2089 SdHoareTripleChecker+Invalid, 1151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 1022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:27,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 2089 Invalid, 1151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 1022 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-08 19:11:27,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2803 states. [2024-11-08 19:11:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2803 to 1297. [2024-11-08 19:11:27,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1147 states have (on average 1.1316477768090671) internal successors, (1298), 1159 states have internal predecessors, (1298), 102 states have call successors, (102), 47 states have call predecessors, (102), 47 states have return successors, (102), 90 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 19:11:27,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1502 transitions. [2024-11-08 19:11:27,841 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1502 transitions. Word has length 166 [2024-11-08 19:11:27,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:27,842 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1502 transitions. [2024-11-08 19:11:27,842 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.0) internal successors, (75), 14 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 3 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-08 19:11:27,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1502 transitions. [2024-11-08 19:11:27,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2024-11-08 19:11:27,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:27,847 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:27,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:28,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-08 19:11:28,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:28,248 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:28,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:28,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1435790018, now seen corresponding path program 1 times [2024-11-08 19:11:28,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:28,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1371519707] [2024-11-08 19:11:28,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:28,250 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 19:11:28,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:28,253 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:28,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:28,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 656 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 19:11:28,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:29,000 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 12 treesize of output 8 [2024-11-08 19:11:29,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-08 19:11:29,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2024-11-08 19:11:29,657 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 1659 proven. 0 refuted. 0 times theorem prover too weak. 1527 trivial. 0 not checked. [2024-11-08 19:11:29,657 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:11:29,657 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:29,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1371519707] [2024-11-08 19:11:29,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1371519707] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:11:29,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:11:29,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 19:11:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482044939] [2024-11-08 19:11:29,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:11:29,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 19:11:29,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:11:29,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 19:11:29,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-08 19:11:29,661 INFO L87 Difference]: Start difference. First operand 1297 states and 1502 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 19:11:31,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:11:31,372 INFO L93 Difference]: Finished difference Result 3175 states and 3653 transitions. [2024-11-08 19:11:31,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 19:11:31,373 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 312 [2024-11-08 19:11:31,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:11:31,379 INFO L225 Difference]: With dead ends: 3175 [2024-11-08 19:11:31,379 INFO L226 Difference]: Without dead ends: 1881 [2024-11-08 19:11:31,381 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-08 19:11:31,382 INFO L432 NwaCegarLoop]: 293 mSDtfsCounter, 238 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 961 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-08 19:11:31,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 961 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-08 19:11:31,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1881 states. [2024-11-08 19:11:31,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1881 to 1297. [2024-11-08 19:11:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1297 states, 1147 states have (on average 1.1194420226678292) internal successors, (1284), 1159 states have internal predecessors, (1284), 102 states have call successors, (102), 47 states have call predecessors, (102), 47 states have return successors, (102), 90 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 19:11:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1297 states and 1488 transitions. [2024-11-08 19:11:31,673 INFO L78 Accepts]: Start accepts. Automaton has 1297 states and 1488 transitions. Word has length 312 [2024-11-08 19:11:31,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:11:31,673 INFO L471 AbstractCegarLoop]: Abstraction has 1297 states and 1488 transitions. [2024-11-08 19:11:31,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-08 19:11:31,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1297 states and 1488 transitions. [2024-11-08 19:11:31,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-08 19:11:31,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:11:31,677 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:11:31,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Ended with exit code 0 [2024-11-08 19:11:31,877 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:31,878 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:11:31,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:11:31,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1247981495, now seen corresponding path program 1 times [2024-11-08 19:11:31,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:11:31,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1699213277] [2024-11-08 19:11:31,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:31,880 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 19:11:31,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:11:31,883 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:11:31,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2024-11-08 19:11:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:32,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-08 19:11:32,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:43,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 38 [2024-11-08 19:11:43,052 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 19:11:43,064 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 23 treesize of output 19 [2024-11-08 19:11:44,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 20 [2024-11-08 19:11:51,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 47 proven. 2199 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2024-11-08 19:11:51,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:11:51,475 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:11:51,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1699213277] [2024-11-08 19:11:51,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1699213277] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 19:11:51,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203169454] [2024-11-08 19:11:51,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:11:51,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 19:11:51,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:11:51,478 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 19:11:51,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-08 19:11:51,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:11:52,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 661 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-08 19:11:52,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:11:58,001 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 19:11:58,321 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 12 treesize of output 8 [2024-11-08 19:11:58,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-08 19:11:59,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 51 [2024-11-08 19:11:59,280 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 69 treesize of output 45 [2024-11-08 19:11:59,801 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 27 proven. 1763 refuted. 0 times theorem prover too weak. 1396 trivial. 0 not checked. [2024-11-08 19:11:59,801 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 19:12:02,177 INFO L134 CoverageAnalysis]: Checked inductivity of 3186 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 3167 trivial. 0 not checked. [2024-11-08 19:12:02,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203169454] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 19:12:02,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-08 19:12:02,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19, 15] total 38 [2024-11-08 19:12:02,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612863462] [2024-11-08 19:12:02,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:02,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 19:12:02,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:02,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 19:12:02,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1422, Unknown=0, NotChecked=0, Total=1560 [2024-11-08 19:12:02,180 INFO L87 Difference]: Start difference. First operand 1297 states and 1488 transitions. Second operand has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:03,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:03,256 INFO L93 Difference]: Finished difference Result 2272 states and 2623 transitions. [2024-11-08 19:12:03,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 19:12:03,257 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 314 [2024-11-08 19:12:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:03,261 INFO L225 Difference]: With dead ends: 2272 [2024-11-08 19:12:03,261 INFO L226 Difference]: Without dead ends: 1311 [2024-11-08 19:12:03,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 965 GetRequests, 925 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 522 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=152, Invalid=1570, Unknown=0, NotChecked=0, Total=1722 [2024-11-08 19:12:03,265 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 52 mSDsluCounter, 841 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 1023 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:03,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 1023 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 19:12:03,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2024-11-08 19:12:03,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1309. [2024-11-08 19:12:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1309 states, 1159 states have (on average 1.1182053494391717) internal successors, (1296), 1171 states have internal predecessors, (1296), 102 states have call successors, (102), 47 states have call predecessors, (102), 47 states have return successors, (102), 90 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 19:12:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1309 states and 1500 transitions. [2024-11-08 19:12:03,590 INFO L78 Accepts]: Start accepts. Automaton has 1309 states and 1500 transitions. Word has length 314 [2024-11-08 19:12:03,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:03,591 INFO L471 AbstractCegarLoop]: Abstraction has 1309 states and 1500 transitions. [2024-11-08 19:12:03,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.375) internal successors, (91), 8 states have internal predecessors, (91), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:03,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1500 transitions. [2024-11-08 19:12:03,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-08 19:12:03,595 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:03,595 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:12:03,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-08 19:12:03,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Ended with exit code 0 [2024-11-08 19:12:03,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:12:04,000 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:04,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:04,000 INFO L85 PathProgramCache]: Analyzing trace with hash 832258342, now seen corresponding path program 1 times [2024-11-08 19:12:04,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:04,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444439411] [2024-11-08 19:12:04,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:04,001 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 19:12:04,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:04,002 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:12:04,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2024-11-08 19:12:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:04,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 671 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:12:04,833 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:05,006 INFO L134 CoverageAnalysis]: Checked inductivity of 3190 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2024-11-08 19:12:05,006 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:05,006 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:05,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444439411] [2024-11-08 19:12:05,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444439411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:05,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:05,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:12:05,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974398747] [2024-11-08 19:12:05,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:05,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:12:05,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:05,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:12:05,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:12:05,009 INFO L87 Difference]: Start difference. First operand 1309 states and 1500 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:05,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:05,421 INFO L93 Difference]: Finished difference Result 2272 states and 2603 transitions. [2024-11-08 19:12:05,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:12:05,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 318 [2024-11-08 19:12:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:05,427 INFO L225 Difference]: With dead ends: 2272 [2024-11-08 19:12:05,427 INFO L226 Difference]: Without dead ends: 1299 [2024-11-08 19:12:05,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 315 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 19:12:05,430 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 50 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:05,430 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 367 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:12:05,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1299 states. [2024-11-08 19:12:05,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1299 to 1205. [2024-11-08 19:12:05,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1205 states, 1055 states have (on average 1.0919431279620853) internal successors, (1152), 1067 states have internal predecessors, (1152), 102 states have call successors, (102), 47 states have call predecessors, (102), 47 states have return successors, (102), 90 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-08 19:12:05,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 1205 states and 1356 transitions. [2024-11-08 19:12:05,720 INFO L78 Accepts]: Start accepts. Automaton has 1205 states and 1356 transitions. Word has length 318 [2024-11-08 19:12:05,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:05,720 INFO L471 AbstractCegarLoop]: Abstraction has 1205 states and 1356 transitions. [2024-11-08 19:12:05,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:05,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1356 transitions. [2024-11-08 19:12:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2024-11-08 19:12:05,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 19:12:05,724 INFO L215 NwaCegarLoop]: trace histogram [40, 40, 40, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:12:05,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Ended with exit code 0 [2024-11-08 19:12:05,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:12:05,925 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 19:12:05,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:12:05,926 INFO L85 PathProgramCache]: Analyzing trace with hash -711145370, now seen corresponding path program 1 times [2024-11-08 19:12:05,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 19:12:05,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1609718645] [2024-11-08 19:12:05,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:12:05,926 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 19:12:05,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 19:12:05,927 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:12:05,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2024-11-08 19:12:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:12:06,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 670 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 19:12:06,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 19:12:06,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3190 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2024-11-08 19:12:06,973 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 19:12:06,974 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 19:12:06,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1609718645] [2024-11-08 19:12:06,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1609718645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:12:06,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:12:06,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 19:12:06,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480033136] [2024-11-08 19:12:06,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:12:06,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 19:12:06,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 19:12:06,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 19:12:06,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 19:12:06,976 INFO L87 Difference]: Start difference. First operand 1205 states and 1356 transitions. Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:07,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:12:07,275 INFO L93 Difference]: Finished difference Result 1996 states and 2235 transitions. [2024-11-08 19:12:07,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 19:12:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 318 [2024-11-08 19:12:07,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 19:12:07,279 INFO L225 Difference]: With dead ends: 1996 [2024-11-08 19:12:07,279 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 19:12:07,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 315 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 19:12:07,282 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 28 mSDsluCounter, 280 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 19:12:07,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 443 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 19:12:07,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 19:12:07,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 19:12:07,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:12:07,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 19:12:07,285 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2024-11-08 19:12:07,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 19:12:07,286 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 19:12:07,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 19:12:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 19:12:07,286 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:12:07,289 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 19:12:07,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Ended with exit code 0 [2024-11-08 19:12:07,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c331353-9e9a-4604-9b24-165926f3f0f7/bin/uautomizer-verify-jihMAELWvX/mathsat -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 19:12:07,496 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:12:07,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 19:12:31,286 WARN L286 SmtUtils]: Spent 23.33s on a formula simplification. DAG size of input: 518 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:12:55,208 WARN L286 SmtUtils]: Spent 22.95s on a formula simplification. DAG size of input: 518 DAG size of output: 595 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:13:20,307 WARN L286 SmtUtils]: Spent 21.90s on a formula simplification. DAG size of input: 255 DAG size of output: 238 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:14:14,955 WARN L286 SmtUtils]: Spent 54.65s on a formula simplification. DAG size of input: 235 DAG size of output: 258 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:14:44,728 WARN L286 SmtUtils]: Spent 22.45s on a formula simplification. DAG size of input: 255 DAG size of output: 238 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:15:18,095 WARN L286 SmtUtils]: Spent 32.92s on a formula simplification. DAG size of input: 226 DAG size of output: 249 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:15:31,907 WARN L286 SmtUtils]: Spent 13.81s on a formula simplification. DAG size of input: 246 DAG size of output: 229 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:15:43,152 WARN L286 SmtUtils]: Spent 6.24s on a formula simplification. DAG size of input: 235 DAG size of output: 274 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:17:59,130 WARN L286 SmtUtils]: Spent 2.27m on a formula simplification. DAG size of input: 272 DAG size of output: 342 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:18:38,921 WARN L286 SmtUtils]: Spent 36.67s on a formula simplification. DAG size of input: 226 DAG size of output: 249 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:19:22,537 WARN L286 SmtUtils]: Spent 42.78s on a formula simplification. DAG size of input: 292 DAG size of output: 263 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:20:31,846 WARN L286 SmtUtils]: Spent 1.03m on a formula simplification. DAG size of input: 235 DAG size of output: 258 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:20:47,920 WARN L286 SmtUtils]: Spent 15.09s on a formula simplification. DAG size of input: 237 DAG size of output: 334 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-08 19:21:28,805 WARN L286 SmtUtils]: Spent 27.53s on a formula simplification. DAG size of input: 283 DAG size of output: 256 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)