./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:02:37,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:02:37,343 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:02:37,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:02:37,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:02:37,369 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:02:37,369 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:02:37,369 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:02:37,370 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:02:37,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:02:37,370 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:02:37,370 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:02:37,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:02:37,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:02:37,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:02:37,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:02:37,372 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:02:37,372 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:02:37,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:02:37,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> bb0a504b43b0de742fcc89ebbe9d313056bb1824edece6c56238a649b6f48626 [2024-11-07 20:02:37,600 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:02:37,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:02:37,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:02:37,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:02:37,609 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:02:37,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2024-11-07 20:02:38,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:02:38,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:02:38,993 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-memsafety/memleaks_test17_2-2.i [2024-11-07 20:02:39,006 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f501ccbae/90e6389225964c29b1b026f781c13a07/FLAGb6ca34793 [2024-11-07 20:02:39,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f501ccbae/90e6389225964c29b1b026f781c13a07 [2024-11-07 20:02:39,321 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:02:39,322 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:02:39,323 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:02:39,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:02:39,326 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:02:39,327 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af368e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39, skipping insertion in model container [2024-11-07 20:02:39,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,349 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:02:39,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:02:39,586 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:02:39,623 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:02:39,649 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:02:39,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39 WrapperNode [2024-11-07 20:02:39,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:02:39,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:02:39,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:02:39,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:02:39,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,673 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,699 INFO L138 Inliner]: procedures = 166, calls = 80, calls flagged for inlining = 24, calls inlined = 6, statements flattened = 102 [2024-11-07 20:02:39,701 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:02:39,702 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:02:39,702 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:02:39,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:02:39,708 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,727 INFO L175 MemorySlicer]: Split 7 memory accesses to 2 slices as follows [2, 5]. 71 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 3 writes are split as follows [0, 3]. [2024-11-07 20:02:39,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,735 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,748 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:02:39,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:02:39,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:02:39,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:02:39,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (1/1) ... [2024-11-07 20:02:39,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:02:39,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:39,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:02:39,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:02:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-07 20:02:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 20:02:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 20:02:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 20:02:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 20:02:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 20:02:39,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:02:39,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:02:39,909 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:02:39,910 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:02:40,062 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-11-07 20:02:40,063 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:02:40,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:02:40,070 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 20:02:40,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:40 BoogieIcfgContainer [2024-11-07 20:02:40,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:02:40,072 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:02:40,072 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:02:40,076 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:02:40,076 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:02:39" (1/3) ... [2024-11-07 20:02:40,077 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dddbffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:40, skipping insertion in model container [2024-11-07 20:02:40,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:02:39" (2/3) ... [2024-11-07 20:02:40,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dddbffc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:02:40, skipping insertion in model container [2024-11-07 20:02:40,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:40" (3/3) ... [2024-11-07 20:02:40,079 INFO L112 eAbstractionObserver]: Analyzing ICFG memleaks_test17_2-2.i [2024-11-07 20:02:40,090 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:02:40,090 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-07 20:02:40,151 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:02:40,165 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;@3b669572, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:02:40,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-07 20:02:40,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 38 states have (on average 1.605263157894737) internal successors, (61), 48 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:40,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:02:40,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:40,176 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:40,176 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:40,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:40,182 INFO L85 PathProgramCache]: Analyzing trace with hash -920797956, now seen corresponding path program 1 times [2024-11-07 20:02:40,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:40,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428967029] [2024-11-07 20:02:40,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:40,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:40,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:40,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428967029] [2024-11-07 20:02:40,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428967029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:40,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:40,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:02:40,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617911657] [2024-11-07 20:02:40,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:40,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:02:40,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:40,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:02:40,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:40,402 INFO L87 Difference]: Start difference. First operand has 52 states, 38 states have (on average 1.605263157894737) internal successors, (61), 48 states have internal predecessors, (61), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:40,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:40,444 INFO L93 Difference]: Finished difference Result 101 states and 126 transitions. [2024-11-07 20:02:40,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:02:40,446 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-07 20:02:40,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:40,450 INFO L225 Difference]: With dead ends: 101 [2024-11-07 20:02:40,451 INFO L226 Difference]: Without dead ends: 49 [2024-11-07 20:02:40,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:02:40,455 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 3 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:40,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 113 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:40,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-11-07 20:02:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2024-11-07 20:02:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.4705882352941178) internal successors, (50), 43 states have internal predecessors, (50), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:40,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2024-11-07 20:02:40,486 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 15 [2024-11-07 20:02:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:40,487 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2024-11-07 20:02:40,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2024-11-07 20:02:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:02:40,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:40,488 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:40,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:02:40,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:40,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:40,489 INFO L85 PathProgramCache]: Analyzing trace with hash -219733378, now seen corresponding path program 1 times [2024-11-07 20:02:40,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:40,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593500694] [2024-11-07 20:02:40,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:40,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:40,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:40,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593500694] [2024-11-07 20:02:40,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593500694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:40,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:40,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:02:40,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102038917] [2024-11-07 20:02:40,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:40,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:40,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:40,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:40,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:40,645 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:40,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:40,706 INFO L93 Difference]: Finished difference Result 55 states and 64 transitions. [2024-11-07 20:02:40,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:40,707 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-07 20:02:40,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:40,708 INFO L225 Difference]: With dead ends: 55 [2024-11-07 20:02:40,708 INFO L226 Difference]: Without dead ends: 53 [2024-11-07 20:02:40,708 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:40,709 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:40,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 189 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:40,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-11-07 20:02:40,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2024-11-07 20:02:40,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 47 states have internal predecessors, (55), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:40,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-11-07 20:02:40,719 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 15 [2024-11-07 20:02:40,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:40,719 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-11-07 20:02:40,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-11-07 20:02:40,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:02:40,720 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:40,720 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:40,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:02:40,721 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:40,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:40,721 INFO L85 PathProgramCache]: Analyzing trace with hash 227966458, now seen corresponding path program 1 times [2024-11-07 20:02:40,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:40,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064463413] [2024-11-07 20:02:40,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:40,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:40,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,869 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:40,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:40,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064463413] [2024-11-07 20:02:40,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064463413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:40,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663685424] [2024-11-07 20:02:40,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:40,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:40,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:40,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:40,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:02:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:40,975 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:02:40,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:41,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:41,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:02:41,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663685424] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:41,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:02:41,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 8 [2024-11-07 20:02:41,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489298630] [2024-11-07 20:02:41,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:41,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:41,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:41,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:41,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:02:41,044 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:41,089 INFO L93 Difference]: Finished difference Result 51 states and 59 transitions. [2024-11-07 20:02:41,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:41,089 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-07 20:02:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:41,090 INFO L225 Difference]: With dead ends: 51 [2024-11-07 20:02:41,091 INFO L226 Difference]: Without dead ends: 50 [2024-11-07 20:02:41,091 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:02:41,092 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 1 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:41,092 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 138 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:41,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2024-11-07 20:02:41,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2024-11-07 20:02:41,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 38 states have (on average 1.4210526315789473) internal successors, (54), 46 states have internal predecessors, (54), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:41,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 58 transitions. [2024-11-07 20:02:41,097 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 58 transitions. Word has length 19 [2024-11-07 20:02:41,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:41,098 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 58 transitions. [2024-11-07 20:02:41,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,099 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 58 transitions. [2024-11-07 20:02:41,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:02:41,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:41,100 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:41,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:02:41,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:41,300 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:41,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:41,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1831347923, now seen corresponding path program 1 times [2024-11-07 20:02:41,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:41,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1185363635] [2024-11-07 20:02:41,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:41,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:41,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:41,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:41,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:41,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1185363635] [2024-11-07 20:02:41,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1185363635] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:41,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:41,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:02:41,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673052807] [2024-11-07 20:02:41,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:41,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:41,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:41,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:41,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:41,386 INFO L87 Difference]: Start difference. First operand 50 states and 58 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:41,429 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2024-11-07 20:02:41,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:41,430 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-07 20:02:41,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:41,430 INFO L225 Difference]: With dead ends: 58 [2024-11-07 20:02:41,430 INFO L226 Difference]: Without dead ends: 56 [2024-11-07 20:02:41,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:41,431 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 4 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:41,431 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 191 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:41,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-07 20:02:41,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-07 20:02:41,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.380952380952381) internal successors, (58), 50 states have internal predecessors, (58), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:41,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-07 20:02:41,436 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 20 [2024-11-07 20:02:41,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:41,436 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-07 20:02:41,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,436 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-07 20:02:41,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:02:41,436 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:41,437 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:41,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:02:41,437 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:41,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:41,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1522974324, now seen corresponding path program 1 times [2024-11-07 20:02:41,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:41,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56893408] [2024-11-07 20:02:41,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:41,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:41,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:41,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:41,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:41,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56893408] [2024-11-07 20:02:41,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56893408] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:41,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293430008] [2024-11-07 20:02:41,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:41,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:41,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:41,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:41,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:02:41,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:41,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:02:41,608 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:41,639 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:41,640 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:41,699 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:41,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293430008] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:41,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:41,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-07 20:02:41,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244092979] [2024-11-07 20:02:41,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:41,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:02:41,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:41,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:02:41,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:02:41,703 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:41,817 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2024-11-07 20:02:41,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:02:41,818 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 20 [2024-11-07 20:02:41,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:41,820 INFO L225 Difference]: With dead ends: 69 [2024-11-07 20:02:41,820 INFO L226 Difference]: Without dead ends: 68 [2024-11-07 20:02:41,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:02:41,821 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 3 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:41,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 426 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:41,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2024-11-07 20:02:41,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2024-11-07 20:02:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 54 states have (on average 1.3518518518518519) internal successors, (73), 62 states have internal predecessors, (73), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2024-11-07 20:02:41,830 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 20 [2024-11-07 20:02:41,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:41,830 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2024-11-07 20:02:41,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.75) internal successors, (33), 12 states have internal predecessors, (33), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2024-11-07 20:02:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:02:41,830 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:41,830 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:41,844 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:02:42,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:42,031 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,032 INFO L85 PathProgramCache]: Analyzing trace with hash -607812044, now seen corresponding path program 1 times [2024-11-07 20:02:42,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600997061] [2024-11-07 20:02:42,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:02:42,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-07 20:02:42,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600997061] [2024-11-07 20:02:42,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600997061] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:02:42,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457922625] [2024-11-07 20:02:42,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:42,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:42,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,116 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:42,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,151 INFO L93 Difference]: Finished difference Result 92 states and 106 transitions. [2024-11-07 20:02:42,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:42,153 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-07 20:02:42,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,153 INFO L225 Difference]: With dead ends: 92 [2024-11-07 20:02:42,153 INFO L226 Difference]: Without dead ends: 70 [2024-11-07 20:02:42,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,154 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 3 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,156 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 247 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-07 20:02:42,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-07 20:02:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 57 states have (on average 1.3333333333333333) internal successors, (76), 65 states have internal predecessors, (76), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:02:42,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 82 transitions. [2024-11-07 20:02:42,165 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 82 transitions. Word has length 23 [2024-11-07 20:02:42,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,165 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 82 transitions. [2024-11-07 20:02:42,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.0) internal successors, (18), 4 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 82 transitions. [2024-11-07 20:02:42,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:02:42,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,166 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:42,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:02:42,168 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,168 INFO L85 PathProgramCache]: Analyzing trace with hash -579182893, now seen corresponding path program 1 times [2024-11-07 20:02:42,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5718168] [2024-11-07 20:02:42,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:02:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,223 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:42,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5718168] [2024-11-07 20:02:42,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5718168] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:02:42,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237768709] [2024-11-07 20:02:42,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,223 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:02:42,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:02:42,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:42,224 INFO L87 Difference]: Start difference. First operand 70 states and 82 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,265 INFO L93 Difference]: Finished difference Result 81 states and 97 transitions. [2024-11-07 20:02:42,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:02:42,266 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 23 [2024-11-07 20:02:42,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,267 INFO L225 Difference]: With dead ends: 81 [2024-11-07 20:02:42,267 INFO L226 Difference]: Without dead ends: 79 [2024-11-07 20:02:42,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:02:42,269 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 5 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 132 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:42,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-07 20:02:42,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2024-11-07 20:02:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 70 states have internal predecessors, (83), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:42,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2024-11-07 20:02:42,280 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 23 [2024-11-07 20:02:42,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,280 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2024-11-07 20:02:42,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,281 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2024-11-07 20:02:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 20:02:42,283 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,283 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:42,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:02:42,284 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1662302506, now seen corresponding path program 1 times [2024-11-07 20:02:42,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346175016] [2024-11-07 20:02:42,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 20:02:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,368 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:42,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346175016] [2024-11-07 20:02:42,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346175016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:02:42,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298842736] [2024-11-07 20:02:42,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:42,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:42,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:42,374 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,432 INFO L93 Difference]: Finished difference Result 83 states and 99 transitions. [2024-11-07 20:02:42,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:42,432 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2024-11-07 20:02:42,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,433 INFO L225 Difference]: With dead ends: 83 [2024-11-07 20:02:42,433 INFO L226 Difference]: Without dead ends: 81 [2024-11-07 20:02:42,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:42,433 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 6 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 170 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:42,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-07 20:02:42,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-07 20:02:42,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 74 states have internal predecessors, (88), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:42,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2024-11-07 20:02:42,441 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 24 [2024-11-07 20:02:42,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,441 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2024-11-07 20:02:42,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2024-11-07 20:02:42,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 20:02:42,444 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,444 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:42,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:02:42,444 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1140733481, now seen corresponding path program 1 times [2024-11-07 20:02:42,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492878601] [2024-11-07 20:02:42,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 20:02:42,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492878601] [2024-11-07 20:02:42,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1492878601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:02:42,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054768916] [2024-11-07 20:02:42,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:42,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:42,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,518 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:42,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,559 INFO L93 Difference]: Finished difference Result 133 states and 157 transitions. [2024-11-07 20:02:42,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:42,559 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-07 20:02:42,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,560 INFO L225 Difference]: With dead ends: 133 [2024-11-07 20:02:42,560 INFO L226 Difference]: Without dead ends: 81 [2024-11-07 20:02:42,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,564 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 36 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 172 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-07 20:02:42,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-07 20:02:42,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 74 states have internal predecessors, (87), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:42,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 96 transitions. [2024-11-07 20:02:42,572 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 96 transitions. Word has length 24 [2024-11-07 20:02:42,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,573 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 96 transitions. [2024-11-07 20:02:42,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:42,573 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 96 transitions. [2024-11-07 20:02:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:02:42,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,573 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:02:42,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:02:42,573 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,574 INFO L85 PathProgramCache]: Analyzing trace with hash 754452013, now seen corresponding path program 1 times [2024-11-07 20:02:42,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924885113] [2024-11-07 20:02:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,673 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:42,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924885113] [2024-11-07 20:02:42,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924885113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:02:42,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87828652] [2024-11-07 20:02:42,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:02:42,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:02:42,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,675 INFO L87 Difference]: Start difference. First operand 81 states and 96 transitions. Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:42,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,750 INFO L93 Difference]: Finished difference Result 93 states and 108 transitions. [2024-11-07 20:02:42,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:02:42,751 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2024-11-07 20:02:42,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,751 INFO L225 Difference]: With dead ends: 93 [2024-11-07 20:02:42,751 INFO L226 Difference]: Without dead ends: 81 [2024-11-07 20:02:42,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:02:42,752 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 39 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,752 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 154 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:42,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-07 20:02:42,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-07 20:02:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 67 states have (on average 1.2835820895522387) internal successors, (86), 74 states have internal predecessors, (86), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2024-11-07 20:02:42,756 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 28 [2024-11-07 20:02:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,756 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2024-11-07 20:02:42,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:02:42,756 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2024-11-07 20:02:42,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:02:42,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,757 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:02:42,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:02:42,757 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1876932633, now seen corresponding path program 1 times [2024-11-07 20:02:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354230104] [2024-11-07 20:02:42,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:02:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:02:42,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354230104] [2024-11-07 20:02:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354230104] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:42,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:42,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:02:42,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133521968] [2024-11-07 20:02:42,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:42,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:42,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:42,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:42,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:42,824 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:42,871 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions. [2024-11-07 20:02:42,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:42,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-11-07 20:02:42,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:42,872 INFO L225 Difference]: With dead ends: 100 [2024-11-07 20:02:42,872 INFO L226 Difference]: Without dead ends: 82 [2024-11-07 20:02:42,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:42,873 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 4 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:42,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 175 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:42,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-07 20:02:42,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-07 20:02:42,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.2794117647058822) internal successors, (87), 75 states have internal predecessors, (87), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:42,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-11-07 20:02:42,880 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 31 [2024-11-07 20:02:42,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:42,880 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-11-07 20:02:42,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:42,880 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-07 20:02:42,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:02:42,883 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:42,883 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:42,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 20:02:42,883 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:42,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:42,884 INFO L85 PathProgramCache]: Analyzing trace with hash 491237784, now seen corresponding path program 2 times [2024-11-07 20:02:42,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:42,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712780418] [2024-11-07 20:02:42,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:42,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:02:43,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:43,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712780418] [2024-11-07 20:02:43,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712780418] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:43,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688187653] [2024-11-07 20:02:43,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:02:43,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:43,056 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:43,058 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:02:43,125 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 20:02:43,125 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:43,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:02:43,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:02:43,212 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:43,282 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:02:43,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688187653] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:43,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:43,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6, 6] total 17 [2024-11-07 20:02:43,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553373556] [2024-11-07 20:02:43,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:43,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:02:43,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:43,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:02:43,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:02:43,283 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 18 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:43,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:43,478 INFO L93 Difference]: Finished difference Result 87 states and 104 transitions. [2024-11-07 20:02:43,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:02:43,479 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 32 [2024-11-07 20:02:43,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:43,479 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:02:43,479 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:02:43,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 55 SyntacticMatches, 4 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=699, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:02:43,480 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 33 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:43,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 381 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:02:43,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 66. [2024-11-07 20:02:43,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:43,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 77 transitions. [2024-11-07 20:02:43,488 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 77 transitions. Word has length 32 [2024-11-07 20:02:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:43,488 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 77 transitions. [2024-11-07 20:02:43,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.6470588235294117) internal successors, (45), 17 states have internal predecessors, (45), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:02:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 77 transitions. [2024-11-07 20:02:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:02:43,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:43,490 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 20:02:43,503 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:02:43,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:43,691 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:43,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:43,691 INFO L85 PathProgramCache]: Analyzing trace with hash -539706370, now seen corresponding path program 1 times [2024-11-07 20:02:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:43,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075716490] [2024-11-07 20:02:43,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:43,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:02:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 20:02:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,786 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:02:43,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:43,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075716490] [2024-11-07 20:02:43,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075716490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:43,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250711527] [2024-11-07 20:02:43,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:43,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:43,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:43,788 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:43,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:02:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:43,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:02:43,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:02:43,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:02:43,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250711527] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:43,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:02:43,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-11-07 20:02:43,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700295458] [2024-11-07 20:02:43,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:43,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:43,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:43,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:43,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:02:43,887 INFO L87 Difference]: Start difference. First operand 66 states and 77 transitions. Second operand has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:02:43,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:43,918 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-07 20:02:43,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:43,919 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 38 [2024-11-07 20:02:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:43,919 INFO L225 Difference]: With dead ends: 66 [2024-11-07 20:02:43,919 INFO L226 Difference]: Without dead ends: 64 [2024-11-07 20:02:43,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:02:43,920 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 4 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:43,920 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 124 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:43,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-07 20:02:43,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-07 20:02:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 53 states have (on average 1.2452830188679245) internal successors, (66), 57 states have internal predecessors, (66), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:43,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 75 transitions. [2024-11-07 20:02:43,924 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 75 transitions. Word has length 38 [2024-11-07 20:02:43,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:43,924 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 75 transitions. [2024-11-07 20:02:43,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:02:43,924 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 75 transitions. [2024-11-07 20:02:43,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:02:43,924 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:43,924 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 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] [2024-11-07 20:02:43,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:02:44,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 20:02:44,132 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:44,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:44,132 INFO L85 PathProgramCache]: Analyzing trace with hash 448971818, now seen corresponding path program 1 times [2024-11-07 20:02:44,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:44,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168671064] [2024-11-07 20:02:44,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:44,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:02:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 20:02:44,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,206 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:02:44,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168671064] [2024-11-07 20:02:44,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168671064] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:44,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1399574248] [2024-11-07 20:02:44,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:44,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:44,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:44,208 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:44,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:02:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,274 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:02:44,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:44,288 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:02:44,289 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:02:44,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1399574248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:44,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:02:44,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 20:02:44,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235047723] [2024-11-07 20:02:44,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:44,289 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:02:44,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:44,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:02:44,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:02:44,290 INFO L87 Difference]: Start difference. First operand 64 states and 75 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:02:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:44,301 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-11-07 20:02:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:02:44,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-07 20:02:44,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:44,302 INFO L225 Difference]: With dead ends: 64 [2024-11-07 20:02:44,302 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 20:02:44,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:02:44,303 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:44,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 80 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:44,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 20:02:44,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 20:02:44,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 53 states have (on average 1.2264150943396226) internal successors, (65), 56 states have internal predecessors, (65), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:02:44,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 74 transitions. [2024-11-07 20:02:44,306 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 74 transitions. Word has length 39 [2024-11-07 20:02:44,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:44,307 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 74 transitions. [2024-11-07 20:02:44,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:02:44,307 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2024-11-07 20:02:44,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:02:44,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:44,310 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:02:44,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:02:44,514 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 20:02:44,515 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:44,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:44,515 INFO L85 PathProgramCache]: Analyzing trace with hash -264908981, now seen corresponding path program 1 times [2024-11-07 20:02:44,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:44,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309135757] [2024-11-07 20:02:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:44,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:44,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:02:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,582 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:02:44,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309135757] [2024-11-07 20:02:44,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309135757] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:44,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [954017609] [2024-11-07 20:02:44,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:44,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:44,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:44,584 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:44,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:02:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:44,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:02:44,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:44,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:44,756 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:44,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [954017609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:44,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:44,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 17 [2024-11-07 20:02:44,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688353301] [2024-11-07 20:02:44,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:44,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:02:44,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:44,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:02:44,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:02:44,852 INFO L87 Difference]: Start difference. First operand 63 states and 74 transitions. Second operand has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:02:44,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:44,978 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-11-07 20:02:44,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:02:44,978 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 38 [2024-11-07 20:02:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:44,979 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:02:44,979 INFO L226 Difference]: Without dead ends: 95 [2024-11-07 20:02:44,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 64 SyntacticMatches, 4 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:02:44,980 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 18 mSDsluCounter, 470 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:44,981 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 515 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:44,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-07 20:02:44,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2024-11-07 20:02:44,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 78 states have (on average 1.205128205128205) internal successors, (94), 79 states have internal predecessors, (94), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (10), 8 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:02:44,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 109 transitions. [2024-11-07 20:02:44,990 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 109 transitions. Word has length 38 [2024-11-07 20:02:44,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:44,990 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 109 transitions. [2024-11-07 20:02:44,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.588235294117647) internal successors, (61), 16 states have internal predecessors, (61), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:02:44,990 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2024-11-07 20:02:44,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:02:44,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:44,991 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:45,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:45,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:02:45,191 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:45,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:45,191 INFO L85 PathProgramCache]: Analyzing trace with hash -709537100, now seen corresponding path program 1 times [2024-11-07 20:02:45,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:45,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676254592] [2024-11-07 20:02:45,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:45,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:02:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-07 20:02:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:02:45,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:45,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676254592] [2024-11-07 20:02:45,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676254592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:45,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913470231] [2024-11-07 20:02:45,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:45,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:45,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:45,281 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:45,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:02:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,354 INFO L255 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:02:45,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:45,456 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:45,542 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:02:45,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913470231] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:45,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:45,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 9] total 17 [2024-11-07 20:02:45,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524909873] [2024-11-07 20:02:45,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:45,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:02:45,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:45,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:02:45,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:02:45,543 INFO L87 Difference]: Start difference. First operand 89 states and 109 transitions. Second operand has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-07 20:02:45,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:45,692 INFO L93 Difference]: Finished difference Result 111 states and 132 transitions. [2024-11-07 20:02:45,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:02:45,692 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 40 [2024-11-07 20:02:45,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:45,693 INFO L225 Difference]: With dead ends: 111 [2024-11-07 20:02:45,693 INFO L226 Difference]: Without dead ends: 78 [2024-11-07 20:02:45,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 70 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:02:45,693 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 15 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:45,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 464 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:45,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-07 20:02:45,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2024-11-07 20:02:45,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 65 states have (on average 1.2) internal successors, (78), 66 states have internal predecessors, (78), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:02:45,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 90 transitions. [2024-11-07 20:02:45,697 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 90 transitions. Word has length 40 [2024-11-07 20:02:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:45,697 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 90 transitions. [2024-11-07 20:02:45,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.4705882352941178) internal successors, (59), 16 states have internal predecessors, (59), 6 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-07 20:02:45,697 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 90 transitions. [2024-11-07 20:02:45,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:02:45,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:45,697 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:45,733 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:45,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:45,898 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:45,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:45,898 INFO L85 PathProgramCache]: Analyzing trace with hash 116900379, now seen corresponding path program 1 times [2024-11-07 20:02:45,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:45,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001146455] [2024-11-07 20:02:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:45,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:45,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:45,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:45,970 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:02:45,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:45,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001146455] [2024-11-07 20:02:45,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001146455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:45,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844435810] [2024-11-07 20:02:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:45,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:45,973 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:45,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:02:46,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:02:46,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:02:46,069 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:02:46,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844435810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:46,105 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:46,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2024-11-07 20:02:46,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070880306] [2024-11-07 20:02:46,105 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:46,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:02:46,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:46,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:02:46,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:02:46,106 INFO L87 Difference]: Start difference. First operand 75 states and 90 transitions. Second operand has 13 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:46,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:46,142 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2024-11-07 20:02:46,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:02:46,142 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2024-11-07 20:02:46,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:46,143 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:02:46,143 INFO L226 Difference]: Without dead ends: 87 [2024-11-07 20:02:46,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:02:46,143 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 3 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:46,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 262 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:46,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-07 20:02:46,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-07 20:02:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 78 states have internal predecessors, (90), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:02:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2024-11-07 20:02:46,147 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 43 [2024-11-07 20:02:46,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:46,147 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2024-11-07 20:02:46,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.0) internal successors, (48), 12 states have internal predecessors, (48), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-11-07 20:02:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:02:46,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:46,147 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:46,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:02:46,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:02:46,348 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:46,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:46,348 INFO L85 PathProgramCache]: Analyzing trace with hash -772088500, now seen corresponding path program 1 times [2024-11-07 20:02:46,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:46,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134895163] [2024-11-07 20:02:46,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 20:02:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,396 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 20:02:46,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:46,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134895163] [2024-11-07 20:02:46,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134895163] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:02:46,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:02:46,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:02:46,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988903956] [2024-11-07 20:02:46,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:02:46,397 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:02:46,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:46,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:02:46,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:46,397 INFO L87 Difference]: Start difference. First operand 87 states and 102 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:46,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:46,421 INFO L93 Difference]: Finished difference Result 87 states and 102 transitions. [2024-11-07 20:02:46,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:02:46,421 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-07 20:02:46,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:46,422 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:02:46,422 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:02:46,422 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:02:46,423 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 4 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:46,423 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 163 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:02:46,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:02:46,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:02:46,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 77 states have (on average 1.155844155844156) internal successors, (89), 77 states have internal predecessors, (89), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:02:46,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 101 transitions. [2024-11-07 20:02:46,428 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 101 transitions. Word has length 46 [2024-11-07 20:02:46,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:46,428 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 101 transitions. [2024-11-07 20:02:46,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:02:46,429 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 101 transitions. [2024-11-07 20:02:46,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:02:46,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:46,429 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:46,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 20:02:46,429 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:46,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:46,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1835060394, now seen corresponding path program 1 times [2024-11-07 20:02:46,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:46,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201031046] [2024-11-07 20:02:46,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:46,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 20:02:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,518 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 20:02:46,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:46,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201031046] [2024-11-07 20:02:46,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201031046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:46,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963123281] [2024-11-07 20:02:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:46,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:46,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:46,522 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:46,544 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 20:02:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:46,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:02:46,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:46,673 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 20:02:46,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:46,736 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 20:02:46,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963123281] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:46,736 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:46,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 14 [2024-11-07 20:02:46,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100361001] [2024-11-07 20:02:46,737 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:46,737 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:02:46,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:46,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:02:46,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:02:46,737 INFO L87 Difference]: Start difference. First operand 86 states and 101 transitions. Second operand has 15 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:02:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:46,834 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-11-07 20:02:46,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:02:46,835 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 47 [2024-11-07 20:02:46,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:46,836 INFO L225 Difference]: With dead ends: 92 [2024-11-07 20:02:46,836 INFO L226 Difference]: Without dead ends: 91 [2024-11-07 20:02:46,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:02:46,836 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:46,836 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 285 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:46,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-07 20:02:46,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 85. [2024-11-07 20:02:46,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.1428571428571428) internal successors, (88), 76 states have internal predecessors, (88), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (8), 7 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:02:46,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 100 transitions. [2024-11-07 20:02:46,840 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 100 transitions. Word has length 47 [2024-11-07 20:02:46,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:46,841 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 100 transitions. [2024-11-07 20:02:46,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 4.0) internal successors, (56), 14 states have internal predecessors, (56), 6 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:02:46,841 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2024-11-07 20:02:46,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:02:46,841 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:46,841 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:46,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:47,045 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:47,045 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:47,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:47,046 INFO L85 PathProgramCache]: Analyzing trace with hash -369797407, now seen corresponding path program 2 times [2024-11-07 20:02:47,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:47,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661635861] [2024-11-07 20:02:47,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:47,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:47,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:47,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:47,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 20:02:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:47,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:02:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:47,156 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-07 20:02:47,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:47,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661635861] [2024-11-07 20:02:47,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661635861] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:47,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [919805920] [2024-11-07 20:02:47,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:02:47,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:47,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:47,160 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:47,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 20:02:47,251 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:02:47,251 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:47,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:02:47,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-07 20:02:47,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:47,389 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-07 20:02:47,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [919805920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:47,389 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:47,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-07 20:02:47,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373201528] [2024-11-07 20:02:47,390 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:47,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:02:47,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:47,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:02:47,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:02:47,391 INFO L87 Difference]: Start difference. First operand 85 states and 100 transitions. Second operand has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:02:47,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:47,487 INFO L93 Difference]: Finished difference Result 132 states and 166 transitions. [2024-11-07 20:02:47,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:02:47,487 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 55 [2024-11-07 20:02:47,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:47,488 INFO L225 Difference]: With dead ends: 132 [2024-11-07 20:02:47,488 INFO L226 Difference]: Without dead ends: 131 [2024-11-07 20:02:47,489 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:02:47,489 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 27 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:47,489 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 189 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:47,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-07 20:02:47,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 121. [2024-11-07 20:02:47,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 109 states have (on average 1.1743119266055047) internal successors, (128), 104 states have internal predecessors, (128), 8 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (16), 15 states have call predecessors, (16), 8 states have call successors, (16) [2024-11-07 20:02:47,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 152 transitions. [2024-11-07 20:02:47,498 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 152 transitions. Word has length 55 [2024-11-07 20:02:47,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:47,498 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 152 transitions. [2024-11-07 20:02:47,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 8 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:02:47,498 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 152 transitions. [2024-11-07 20:02:47,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:02:47,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:47,499 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 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] [2024-11-07 20:02:47,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:47,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:47,699 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:47,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:47,700 INFO L85 PathProgramCache]: Analyzing trace with hash -1963645273, now seen corresponding path program 2 times [2024-11-07 20:02:47,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:47,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955781456] [2024-11-07 20:02:47,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:47,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:48,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:48,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 27 proven. 19 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:02:48,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955781456] [2024-11-07 20:02:48,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955781456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:48,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158308414] [2024-11-07 20:02:48,011 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:02:48,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:48,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:48,016 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:48,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:02:48,105 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 20:02:48,106 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:48,106 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:02:48,107 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:48,216 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-07 20:02:48,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-07 20:02:48,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158308414] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:48,324 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:48,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 7, 7] total 25 [2024-11-07 20:02:48,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118940470] [2024-11-07 20:02:48,325 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:48,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-07 20:02:48,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:48,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-07 20:02:48,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:02:48,326 INFO L87 Difference]: Start difference. First operand 121 states and 152 transitions. Second operand has 25 states, 25 states have (on average 3.12) internal successors, (78), 24 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:02:48,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:48,605 INFO L93 Difference]: Finished difference Result 224 states and 285 transitions. [2024-11-07 20:02:48,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 20:02:48,607 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 3.12) internal successors, (78), 24 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55 [2024-11-07 20:02:48,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:48,608 INFO L225 Difference]: With dead ends: 224 [2024-11-07 20:02:48,608 INFO L226 Difference]: Without dead ends: 158 [2024-11-07 20:02:48,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 102 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 280 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=122, Invalid=1068, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 20:02:48,609 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 42 mSDsluCounter, 484 mSDsCounter, 0 mSdLazyCounter, 410 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:48,609 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 515 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 410 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:02:48,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-07 20:02:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 72. [2024-11-07 20:02:48,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 62 states have (on average 1.064516129032258) internal successors, (66), 62 states have internal predecessors, (66), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:02:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 82 transitions. [2024-11-07 20:02:48,616 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 82 transitions. Word has length 55 [2024-11-07 20:02:48,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:48,616 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 82 transitions. [2024-11-07 20:02:48,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.12) internal successors, (78), 24 states have internal predecessors, (78), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:02:48,616 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 82 transitions. [2024-11-07 20:02:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 20:02:48,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:02:48,617 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:48,631 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:02:48,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-07 20:02:48,819 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-07 20:02:48,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:02:48,820 INFO L85 PathProgramCache]: Analyzing trace with hash 529198625, now seen corresponding path program 3 times [2024-11-07 20:02:48,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:02:48,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022870145] [2024-11-07 20:02:48,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:02:48,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:02:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-07 20:02:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-07 20:02:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 20:02:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:02:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:02:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:02:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-07 20:02:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 20:02:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:02:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-07 20:02:49,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:02:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022870145] [2024-11-07 20:02:49,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022870145] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:02:49,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158305540] [2024-11-07 20:02:49,097 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:02:49,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:49,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:02:49,099 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:02:49,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:02:49,223 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-07 20:02:49,223 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:02:49,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:02:49,227 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:02:49,370 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-07 20:02:49,371 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:02:49,517 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 229 trivial. 0 not checked. [2024-11-07 20:02:49,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158305540] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:02:49,517 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:02:49,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7, 7] total 19 [2024-11-07 20:02:49,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816938327] [2024-11-07 20:02:49,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:02:49,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 20:02:49,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:02:49,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 20:02:49,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=331, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:02:49,519 INFO L87 Difference]: Start difference. First operand 72 states and 82 transitions. Second operand has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 7 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:02:49,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:02:49,802 INFO L93 Difference]: Finished difference Result 129 states and 162 transitions. [2024-11-07 20:02:49,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:02:49,805 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 7 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Word has length 99 [2024-11-07 20:02:49,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:02:49,806 INFO L225 Difference]: With dead ends: 129 [2024-11-07 20:02:49,806 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:02:49,807 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 201 SyntacticMatches, 5 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=1023, Unknown=0, NotChecked=0, Total=1190 [2024-11-07 20:02:49,808 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 41 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:02:49,808 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 183 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:02:49,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:02:49,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:02:49,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:02:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:02:49,810 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2024-11-07 20:02:49,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:02:49,811 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:02:49,811 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.3157894736842106) internal successors, (63), 19 states have internal predecessors, (63), 7 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:02:49,811 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:02:49,811 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-07 20:02:49,813 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-07 20:02:49,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:02:50,014 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:02:50,017 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:02:50,018 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 20:02:50,372 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 20:02:50,387 WARN L156 FloydHoareUtils]: Requires clause for ldv_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-11-07 20:02:50,390 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #res!base [2024-11-07 20:02:50,392 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-07 20:02:50,392 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-11-07 20:02:50,392 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-07 20:02:50,392 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-11-07 20:02:50,393 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-07 20:02:50,394 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-07 20:02:50,395 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-07 20:02:50,396 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:02:50 BoogieIcfgContainer [2024-11-07 20:02:50,396 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:02:50,397 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:02:50,397 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:02:50,397 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:02:50,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:02:40" (3/4) ... [2024-11-07 20:02:50,399 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:02:50,403 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-07 20:02:50,407 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-07 20:02:50,409 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-07 20:02:50,409 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:02:50,477 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:02:50,478 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:02:50,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:02:50,479 INFO L158 Benchmark]: Toolchain (without parser) took 11156.04ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 90.9MB in the beginning and 127.8MB in the end (delta: -36.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-07 20:02:50,480 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:02:50,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.11ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-07 20:02:50,480 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.18ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:02:50,480 INFO L158 Benchmark]: Boogie Preprocessor took 49.35ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:02:50,482 INFO L158 Benchmark]: RCFGBuilder took 319.19ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 50.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:02:50,483 INFO L158 Benchmark]: TraceAbstraction took 10323.90ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 49.4MB in the beginning and 131.7MB in the end (delta: -82.2MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2024-11-07 20:02:50,483 INFO L158 Benchmark]: Witness Printer took 81.41ms. Allocated memory is still 201.3MB. Free memory was 131.7MB in the beginning and 127.8MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:02:50,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.11ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 68.6MB in the end (delta: 22.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.18ms. Allocated memory is still 117.4MB. Free memory was 68.6MB in the beginning and 66.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.35ms. Allocated memory is still 117.4MB. Free memory was 66.6MB in the beginning and 64.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.19ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 50.1MB in the end (delta: 14.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10323.90ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 49.4MB in the beginning and 131.7MB in the end (delta: -82.2MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * Witness Printer took 81.41ms. Allocated memory is still 201.3MB. Free memory was 131.7MB in the beginning and 127.8MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #res!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 790]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 9.9s, OverallIterations: 22, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 309 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 304 mSDsluCounter, 5268 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4295 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2049 IncrementalHoareTripleChecker+Invalid, 2104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 973 mSDtfsCounter, 2049 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1195 GetRequests, 946 SyntacticMatches, 22 SemanticMatches, 227 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=20, InterpolantAutomatonStates: 202, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 22 MinimizatonAttempts, 142 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1299 NumberOfCodeBlocks, 1208 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 1685 ConstructedInterpolants, 0 QuantifiedInterpolants, 3594 SizeOfPredicates, 14 NumberOfNonLiveVariables, 2091 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 43 InterpolantComputations, 13 PerfectInterpolantSequences, 1161/1542 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: ((((((i <= 2147483647) && (len <= 2147483647)) && (len <= 2147483647)) && (1 <= i)) && (1 <= len)) || ((((i == 0) && (len <= 2147483647)) && (len == len)) && (1 <= len))) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: (((len <= 2147483647) && (i == 0)) || ((1 <= i) && (len <= 2147483647))) - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: (((len <= 2147483647) && (1 <= len)) && (j <= 2147483648)) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: ((((1 <= i) && (len <= 2147483647)) && (1 <= len)) || (((i == 0) && (len <= 2147483647)) && (1 <= len))) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) RESULT: Ultimate proved your program to be correct! [2024-11-07 20:02:50,508 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE