./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 20:24:47,311 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 20:24:47,373 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 20:24:47,379 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 20:24:47,380 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 20:24:47,402 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 20:24:47,402 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 20:24:47,403 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 20:24:47,403 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 20:24:47,404 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 20:24:47,405 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 20:24:47,405 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 20:24:47,405 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 20:24:47,405 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 20:24:47,407 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 20:24:47,407 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 20:24:47,407 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 20:24:47,408 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 20:24:47,408 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 20:24:47,408 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 20:24:47,408 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 20:24:47,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 20:24:47,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 20:24:47,412 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 20:24:47,412 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 20:24:47,412 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 20:24:47,412 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 20:24:47,413 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 20:24:47,413 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 20:24:47,413 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 20:24:47,413 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 20:24:47,413 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 20:24:47,413 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:24:47,414 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 20:24:47,414 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 20:24:47,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 20:24:47,416 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 20:24:47,416 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 20:24:47,416 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 20:24:47,416 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e63083161b3199c06a87ea66924e1f63d6865962e6a830baf344139b270d928 [2024-11-12 20:24:47,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 20:24:47,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 20:24:47,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 20:24:47,628 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 20:24:47,629 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 20:24:47,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-12 20:24:48,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 20:24:49,097 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 20:24:49,097 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-1.i [2024-11-12 20:24:49,110 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09fafe06f/ea3acc00dd784776aaf0dd3695d61159/FLAG52f6297c3 [2024-11-12 20:24:49,122 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09fafe06f/ea3acc00dd784776aaf0dd3695d61159 [2024-11-12 20:24:49,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 20:24:49,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 20:24:49,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 20:24:49,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 20:24:49,132 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 20:24:49,133 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ada7cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49, skipping insertion in model container [2024-11-12 20:24:49,134 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 20:24:49,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:24:49,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 20:24:49,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 20:24:49,673 INFO L204 MainTranslator]: Completed translation [2024-11-12 20:24:49,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49 WrapperNode [2024-11-12 20:24:49,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 20:24:49,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 20:24:49,675 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 20:24:49,675 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 20:24:49,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,709 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,781 INFO L138 Inliner]: procedures = 177, calls = 291, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1429 [2024-11-12 20:24:49,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 20:24:49,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 20:24:49,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 20:24:49,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 20:24:49,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,805 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,870 INFO L175 MemorySlicer]: Split 256 memory accesses to 3 slices as follows [2, 34, 220]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 54 writes are split as follows [0, 4, 50]. [2024-11-12 20:24:49,871 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,928 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 20:24:49,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 20:24:49,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 20:24:49,948 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 20:24:49,948 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (1/1) ... [2024-11-12 20:24:49,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 20:24:49,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:24:49,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-12 20:24:49,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-12 20:24:50,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-11-12 20:24:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-11-12 20:24:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 20:24:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 20:24:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 20:24:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 20:24:50,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 20:24:50,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 20:24:50,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 20:24:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 20:24:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-12 20:24:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-12 20:24:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-12 20:24:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-12 20:24:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-12 20:24:50,016 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-12 20:24:50,016 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2024-11-12 20:24:50,017 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2024-11-12 20:24:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 20:24:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 20:24:50,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 20:24:50,018 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 20:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 20:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 20:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 20:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 20:24:50,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 20:24:50,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 20:24:50,199 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 20:24:50,201 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 20:24:51,336 INFO L? ?]: Removed 339 outVars from TransFormulas that were not future-live. [2024-11-12 20:24:51,337 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 20:24:51,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 20:24:51,364 INFO L316 CfgBuilder]: Removed 62 assume(true) statements. [2024-11-12 20:24:51,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:24:51 BoogieIcfgContainer [2024-11-12 20:24:51,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 20:24:51,372 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 20:24:51,372 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 20:24:51,375 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 20:24:51,375 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:24:49" (1/3) ... [2024-11-12 20:24:51,376 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be89c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:24:51, skipping insertion in model container [2024-11-12 20:24:51,376 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:24:49" (2/3) ... [2024-11-12 20:24:51,380 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4be89c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:24:51, skipping insertion in model container [2024-11-12 20:24:51,380 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:24:51" (3/3) ... [2024-11-12 20:24:51,381 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-1.i [2024-11-12 20:24:51,404 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 20:24:51,404 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-12 20:24:51,480 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 20:24:51,485 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;@1addafbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 20:24:51,485 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-12 20:24:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 453 states, 418 states have (on average 1.631578947368421) internal successors, (682), 443 states have internal predecessors, (682), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-12 20:24:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 20:24:51,493 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:51,493 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:51,494 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:51,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:51,498 INFO L85 PathProgramCache]: Analyzing trace with hash -148890198, now seen corresponding path program 1 times [2024-11-12 20:24:51,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:51,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006867715] [2024-11-12 20:24:51,504 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:51,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 20:24:51,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [772244406] [2024-11-12 20:24:51,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:51,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:24:51,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:24:51,622 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:24:51,624 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 20:24:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:51,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:24:51,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:24:51,804 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 11 treesize of output 7 [2024-11-12 20:24:51,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:24:51,841 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:24:51,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:51,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006867715] [2024-11-12 20:24:51,841 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:24:51,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772244406] [2024-11-12 20:24:51,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772244406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:51,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:51,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:24:51,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053057820] [2024-11-12 20:24:51,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:51,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:24:51,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:51,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:24:51,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:24:51,865 INFO L87 Difference]: Start difference. First operand has 453 states, 418 states have (on average 1.631578947368421) internal successors, (682), 443 states have internal predecessors, (682), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 8 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-12 20:24:52,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:52,078 INFO L93 Difference]: Finished difference Result 1299 states and 2110 transitions. [2024-11-12 20:24:52,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:24:52,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) Word has length 7 [2024-11-12 20:24:52,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:52,093 INFO L225 Difference]: With dead ends: 1299 [2024-11-12 20:24:52,093 INFO L226 Difference]: Without dead ends: 839 [2024-11-12 20:24:52,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:24:52,104 INFO L435 NwaCegarLoop]: 630 mSDtfsCounter, 557 mSDsluCounter, 1252 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 562 SdHoareTripleChecker+Valid, 1882 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:52,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [562 Valid, 1882 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:24:52,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2024-11-12 20:24:52,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 449. [2024-11-12 20:24:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 418 states have (on average 1.4665071770334928) internal successors, (613), 440 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 20:24:52,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 653 transitions. [2024-11-12 20:24:52,180 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 653 transitions. Word has length 7 [2024-11-12 20:24:52,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:52,181 INFO L471 AbstractCegarLoop]: Abstraction has 449 states and 653 transitions. [2024-11-12 20:24:52,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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) [2024-11-12 20:24:52,181 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 653 transitions. [2024-11-12 20:24:52,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-12 20:24:52,181 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:52,181 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:52,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 20:24:52,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-12 20:24:52,383 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:52,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:52,384 INFO L85 PathProgramCache]: Analyzing trace with hash -320628661, now seen corresponding path program 1 times [2024-11-12 20:24:52,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:52,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008147324] [2024-11-12 20:24:52,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:52,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-12 20:24:52,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [877945418] [2024-11-12 20:24:52,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:52,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:24:52,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:24:52,477 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:24:52,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 20:24:52,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:52,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 20:24:52,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:24:52,605 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 11 treesize of output 7 [2024-11-12 20:24:52,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:24:52,623 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:24:52,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:52,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008147324] [2024-11-12 20:24:52,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-12 20:24:52,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [877945418] [2024-11-12 20:24:52,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [877945418] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:52,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:52,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:24:52,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027022134] [2024-11-12 20:24:52,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:52,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:24:52,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:52,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:24:52,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:24:52,626 INFO L87 Difference]: Start difference. First operand 449 states and 653 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-12 20:24:52,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:52,751 INFO L93 Difference]: Finished difference Result 839 states and 1217 transitions. [2024-11-12 20:24:52,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:24:52,752 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) Word has length 8 [2024-11-12 20:24:52,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:52,755 INFO L225 Difference]: With dead ends: 839 [2024-11-12 20:24:52,755 INFO L226 Difference]: Without dead ends: 838 [2024-11-12 20:24:52,755 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:24:52,756 INFO L435 NwaCegarLoop]: 624 mSDtfsCounter, 553 mSDsluCounter, 1241 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 1865 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:52,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 1865 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:24:52,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2024-11-12 20:24:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 450. [2024-11-12 20:24:52,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4653937947494033) internal successors, (614), 441 states have internal predecessors, (614), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 20:24:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 654 transitions. [2024-11-12 20:24:52,772 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 654 transitions. Word has length 8 [2024-11-12 20:24:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:52,772 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 654 transitions. [2024-11-12 20:24:52,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-12 20:24:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 654 transitions. [2024-11-12 20:24:52,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-12 20:24:52,775 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:52,775 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:52,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 20:24:52,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-12 20:24:52,980 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:52,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:52,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1563576467, now seen corresponding path program 1 times [2024-11-12 20:24:52,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:52,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653435183] [2024-11-12 20:24:52,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:52,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:53,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:24:53,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:53,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653435183] [2024-11-12 20:24:53,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653435183] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:53,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:53,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:24:53,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343471007] [2024-11-12 20:24:53,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:53,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:24:53,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:53,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:24:53,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:24:53,337 INFO L87 Difference]: Start difference. First operand 450 states and 654 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:53,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:53,428 INFO L93 Difference]: Finished difference Result 1069 states and 1561 transitions. [2024-11-12 20:24:53,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:24:53,429 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-12 20:24:53,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:53,433 INFO L225 Difference]: With dead ends: 1069 [2024-11-12 20:24:53,434 INFO L226 Difference]: Without dead ends: 837 [2024-11-12 20:24:53,434 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:24:53,436 INFO L435 NwaCegarLoop]: 626 mSDtfsCounter, 555 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 560 SdHoareTripleChecker+Valid, 1870 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:53,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [560 Valid, 1870 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:24:53,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2024-11-12 20:24:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 450. [2024-11-12 20:24:53,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 441 states have internal predecessors, (613), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 20:24:53,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 653 transitions. [2024-11-12 20:24:53,457 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 653 transitions. Word has length 72 [2024-11-12 20:24:53,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:53,457 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 653 transitions. [2024-11-12 20:24:53,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:53,458 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 653 transitions. [2024-11-12 20:24:53,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-12 20:24:53,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:53,462 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:53,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 20:24:53,463 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:53,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:53,463 INFO L85 PathProgramCache]: Analyzing trace with hash 325651206, now seen corresponding path program 1 times [2024-11-12 20:24:53,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:53,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796006838] [2024-11-12 20:24:53,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:24:53,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:53,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796006838] [2024-11-12 20:24:53,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796006838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:53,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:53,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:24:53,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657919896] [2024-11-12 20:24:53,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:53,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 20:24:53,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:53,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 20:24:53,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 20:24:53,696 INFO L87 Difference]: Start difference. First operand 450 states and 653 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:53,823 INFO L93 Difference]: Finished difference Result 895 states and 1301 transitions. [2024-11-12 20:24:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 20:24:53,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-12 20:24:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:53,825 INFO L225 Difference]: With dead ends: 895 [2024-11-12 20:24:53,825 INFO L226 Difference]: Without dead ends: 453 [2024-11-12 20:24:53,826 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:24:53,826 INFO L435 NwaCegarLoop]: 619 mSDtfsCounter, 105 mSDsluCounter, 1145 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1764 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:53,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1764 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 20:24:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2024-11-12 20:24:53,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 450. [2024-11-12 20:24:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 419 states have (on average 1.4463007159904535) internal successors, (606), 441 states have internal predecessors, (606), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-12 20:24:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 646 transitions. [2024-11-12 20:24:53,846 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 646 transitions. Word has length 83 [2024-11-12 20:24:53,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:53,847 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 646 transitions. [2024-11-12 20:24:53,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 646 transitions. [2024-11-12 20:24:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-12 20:24:53,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:53,851 INFO L218 NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:53,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-12 20:24:53,852 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:53,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:53,852 INFO L85 PathProgramCache]: Analyzing trace with hash 153514234, now seen corresponding path program 1 times [2024-11-12 20:24:53,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:53,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942674081] [2024-11-12 20:24:53,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:53,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 20:24:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942674081] [2024-11-12 20:24:54,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942674081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:54,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 20:24:54,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697268893] [2024-11-12 20:24:54,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:54,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 20:24:54,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:54,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 20:24:54,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:24:54,034 INFO L87 Difference]: Start difference. First operand 450 states and 646 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:54,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:54,104 INFO L93 Difference]: Finished difference Result 1186 states and 1716 transitions. [2024-11-12 20:24:54,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 20:24:54,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83 [2024-11-12 20:24:54,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:54,111 INFO L225 Difference]: With dead ends: 1186 [2024-11-12 20:24:54,111 INFO L226 Difference]: Without dead ends: 744 [2024-11-12 20:24:54,112 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 20:24:54,113 INFO L435 NwaCegarLoop]: 832 mSDtfsCounter, 373 mSDsluCounter, 617 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 1449 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:54,114 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 1449 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 20:24:54,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2024-11-12 20:24:54,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 741. [2024-11-12 20:24:54,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 741 states, 709 states have (on average 1.456981664315938) internal successors, (1033), 731 states have internal predecessors, (1033), 21 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (21), 7 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-12 20:24:54,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 1075 transitions. [2024-11-12 20:24:54,129 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 1075 transitions. Word has length 83 [2024-11-12 20:24:54,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:54,130 INFO L471 AbstractCegarLoop]: Abstraction has 741 states and 1075 transitions. [2024-11-12 20:24:54,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-12 20:24:54,130 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 1075 transitions. [2024-11-12 20:24:54,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-12 20:24:54,131 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:54,131 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:54,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-12 20:24:54,132 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:54,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:54,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1620671929, now seen corresponding path program 1 times [2024-11-12 20:24:54,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:54,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100326302] [2024-11-12 20:24:54,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:54,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:54,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:24:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:54,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:24:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:24:54,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:54,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100326302] [2024-11-12 20:24:54,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100326302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:54,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:54,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 20:24:54,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541454458] [2024-11-12 20:24:54,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:54,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 20:24:54,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:54,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 20:24:54,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 20:24:54,392 INFO L87 Difference]: Start difference. First operand 741 states and 1075 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:24:54,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:54,774 INFO L93 Difference]: Finished difference Result 848 states and 1237 transitions. [2024-11-12 20:24:54,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:24:54,775 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 98 [2024-11-12 20:24:54,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:54,778 INFO L225 Difference]: With dead ends: 848 [2024-11-12 20:24:54,778 INFO L226 Difference]: Without dead ends: 846 [2024-11-12 20:24:54,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:24:54,780 INFO L435 NwaCegarLoop]: 569 mSDtfsCounter, 320 mSDsluCounter, 1622 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 2191 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:54,781 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 2191 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-12 20:24:54,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 846 states. [2024-11-12 20:24:54,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 846 to 811. [2024-11-12 20:24:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 811 states, 774 states have (on average 1.441860465116279) internal successors, (1116), 796 states have internal predecessors, (1116), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 20:24:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 1166 transitions. [2024-11-12 20:24:54,804 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 1166 transitions. Word has length 98 [2024-11-12 20:24:54,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:54,805 INFO L471 AbstractCegarLoop]: Abstraction has 811 states and 1166 transitions. [2024-11-12 20:24:54,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-12 20:24:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 1166 transitions. [2024-11-12 20:24:54,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-12 20:24:54,806 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:54,806 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:54,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 20:24:54,806 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:54,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:54,807 INFO L85 PathProgramCache]: Analyzing trace with hash -326518187, now seen corresponding path program 1 times [2024-11-12 20:24:54,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:54,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712943431] [2024-11-12 20:24:54,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:24:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:24:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 20:24:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 20:24:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:24:55,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:55,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712943431] [2024-11-12 20:24:55,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712943431] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:55,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 20:24:55,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 20:24:55,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605691651] [2024-11-12 20:24:55,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:55,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 20:24:55,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:55,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 20:24:55,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-12 20:24:55,120 INFO L87 Difference]: Start difference. First operand 811 states and 1166 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:24:55,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:55,598 INFO L93 Difference]: Finished difference Result 1047 states and 1507 transitions. [2024-11-12 20:24:55,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-12 20:24:55,598 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 111 [2024-11-12 20:24:55,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:55,602 INFO L225 Difference]: With dead ends: 1047 [2024-11-12 20:24:55,602 INFO L226 Difference]: Without dead ends: 1045 [2024-11-12 20:24:55,602 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-12 20:24:55,603 INFO L435 NwaCegarLoop]: 545 mSDtfsCounter, 532 mSDsluCounter, 2073 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 2618 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:55,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 2618 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-12 20:24:55,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-12 20:24:55,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 815. [2024-11-12 20:24:55,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 778 states have (on average 1.4395886889460154) internal successors, (1120), 799 states have internal predecessors, (1120), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 20:24:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1170 transitions. [2024-11-12 20:24:55,626 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1170 transitions. Word has length 111 [2024-11-12 20:24:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:55,627 INFO L471 AbstractCegarLoop]: Abstraction has 815 states and 1170 transitions. [2024-11-12 20:24:55,627 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 4 states have internal predecessors, (100), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-12 20:24:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1170 transitions. [2024-11-12 20:24:55,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-12 20:24:55,628 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:55,628 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:55,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 20:24:55,629 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:55,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:55,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1733981712, now seen corresponding path program 1 times [2024-11-12 20:24:55,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:55,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622754894] [2024-11-12 20:24:55,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:55,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-12 20:24:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 20:24:55,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-12 20:24:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 20:24:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:55,958 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:24:55,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622754894] [2024-11-12 20:24:55,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622754894] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:24:55,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564326101] [2024-11-12 20:24:55,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:55,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:24:55,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:24:55,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:24:55,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 20:24:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:56,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 647 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-11-12 20:24:56,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:24:56,230 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 11 treesize of output 7 [2024-11-12 20:24:56,245 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 11 treesize of output 7 [2024-11-12 20:24:56,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select 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 11 [2024-11-12 20:24:56,854 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-12 20:24:56,854 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 20:24:56,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564326101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 20:24:56,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 20:24:56,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-11-12 20:24:56,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117196983] [2024-11-12 20:24:56,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 20:24:56,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-12 20:24:56,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 20:24:56,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-12 20:24:56,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-12 20:24:56,856 INFO L87 Difference]: Start difference. First operand 815 states and 1170 transitions. Second operand has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:24:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 20:24:58,298 INFO L93 Difference]: Finished difference Result 1815 states and 2603 transitions. [2024-11-12 20:24:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-12 20:24:58,298 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 117 [2024-11-12 20:24:58,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 20:24:58,303 INFO L225 Difference]: With dead ends: 1815 [2024-11-12 20:24:58,303 INFO L226 Difference]: Without dead ends: 1088 [2024-11-12 20:24:58,304 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=403, Unknown=0, NotChecked=0, Total=506 [2024-11-12 20:24:58,305 INFO L435 NwaCegarLoop]: 618 mSDtfsCounter, 822 mSDsluCounter, 3006 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 3624 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-12 20:24:58,305 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 3624 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-12 20:24:58,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1088 states. [2024-11-12 20:24:58,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1088 to 841. [2024-11-12 20:24:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 841 states, 804 states have (on average 1.431592039800995) internal successors, (1151), 825 states have internal predecessors, (1151), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 11 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-12 20:24:58,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 841 states and 1201 transitions. [2024-11-12 20:24:58,330 INFO L78 Accepts]: Start accepts. Automaton has 841 states and 1201 transitions. Word has length 117 [2024-11-12 20:24:58,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 20:24:58,330 INFO L471 AbstractCegarLoop]: Abstraction has 841 states and 1201 transitions. [2024-11-12 20:24:58,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.636363636363637) internal successors, (106), 11 states have internal predecessors, (106), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-12 20:24:58,330 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1201 transitions. [2024-11-12 20:24:58,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-12 20:24:58,332 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 20:24:58,332 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 20:24:58,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 20:24:58,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:24:58,533 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-12 20:24:58,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 20:24:58,534 INFO L85 PathProgramCache]: Analyzing trace with hash 151676885, now seen corresponding path program 1 times [2024-11-12 20:24:58,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 20:24:58,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607367241] [2024-11-12 20:24:58,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:58,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 20:24:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:58,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 20:24:58,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:58,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-12 20:24:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:58,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 20:24:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:58,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-12 20:24:58,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-12 20:24:58,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 20:24:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607367241] [2024-11-12 20:24:58,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607367241] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 20:24:58,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878602005] [2024-11-12 20:24:58,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 20:24:58,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 20:24:58,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 20:24:58,865 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 20:24:58,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 20:24:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 20:24:59,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-12 20:24:59,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 20:25:24,115 WARN L286 SmtUtils]: Spent 8.30s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:25:41,296 WARN L286 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 31 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:26:12,705 WARN L286 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:26:18,658 WARN L286 SmtUtils]: Spent 5.92s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-12 20:26:28,726 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 30 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)