./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c --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/nla-digbench-scaling/ps2-ll_unwindbound100.c', '-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', '9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766'] 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/nla-digbench-scaling/ps2-ll_unwindbound100.c -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 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:43:20,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:43:20,794 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:43:20,801 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:43:20,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:43:20,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:43:20,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:43:20,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:43:20,825 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:43:20,825 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:43:20,825 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:43:20,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:43:20,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:43:20,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:43:20,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:43:20,827 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:43:20,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:43:20,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:43:20,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:43:20,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:43:20,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:43:20,829 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:43:20,829 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 -> 9dd084b74d402040bb1dcf601a4c548e70d932326201e2bbf6bd431598d05766 [2024-11-07 20:43:21,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:43:21,039 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:43:21,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:43:21,045 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:43:21,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:43:21,046 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-11-07 20:43:22,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:43:22,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:43:22,393 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound100.c [2024-11-07 20:43:22,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f4500d19/a5a0fadf6d774f7d99deac6bd011a961/FLAG180245335 [2024-11-07 20:43:22,804 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7f4500d19/a5a0fadf6d774f7d99deac6bd011a961 [2024-11-07 20:43:22,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:43:22,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:43:22,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:43:22,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:43:22,811 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:43:22,811 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,812 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3247b408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22, skipping insertion in model container [2024-11-07 20:43:22,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:43:22,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:43:22,928 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:43:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:43:22,951 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:43:22,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22 WrapperNode [2024-11-07 20:43:22,952 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:43:22,953 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:43:22,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:43:22,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:43:22,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,972 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-07 20:43:22,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:43:22,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:43:22,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:43:22,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:43:22,980 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,991 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:43:22,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:22,999 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:23,000 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:23,002 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:23,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:43:23,003 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:43:23,003 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:43:23,003 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:43:23,004 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (1/1) ... [2024-11-07 20:43:23,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:43:23,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:23,029 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 20:43:23,034 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 20:43:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:43:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:43:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:43:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:43:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:43:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:43:23,091 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:43:23,093 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:43:23,241 INFO L? ?]: Removed 38 outVars from TransFormulas that were not future-live. [2024-11-07 20:43:23,241 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:43:23,249 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:43:23,251 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:43:23,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:43:23 BoogieIcfgContainer [2024-11-07 20:43:23,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:43:23,253 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:43:23,253 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:43:23,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:43:23,258 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:43:22" (1/3) ... [2024-11-07 20:43:23,258 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134dcd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:43:23, skipping insertion in model container [2024-11-07 20:43:23,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:22" (2/3) ... [2024-11-07 20:43:23,259 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@134dcd00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:43:23, skipping insertion in model container [2024-11-07 20:43:23,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:43:23" (3/3) ... [2024-11-07 20:43:23,259 INFO L112 eAbstractionObserver]: Analyzing ICFG ps2-ll_unwindbound100.c [2024-11-07 20:43:23,270 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:43:23,270 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:43:23,310 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:43:23,321 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;@22410c2f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:43:23,322 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:43:23,325 INFO L276 IsEmpty]: Start isEmpty. Operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 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 20:43:23,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:43:23,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:23,329 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:43:23,330 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:23,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:23,334 INFO L85 PathProgramCache]: Analyzing trace with hash 927109, now seen corresponding path program 1 times [2024-11-07 20:43:23,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:23,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348187768] [2024-11-07 20:43:23,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:23,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:23,410 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 20:43:23,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:23,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348187768] [2024-11-07 20:43:23,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348187768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:23,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:23,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:23,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758960831] [2024-11-07 20:43:23,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:23,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:43:23,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:23,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:43:23,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:43:23,426 INFO L87 Difference]: Start difference. First operand has 65 states, 37 states have (on average 1.7567567567567568) internal successors, (65), 61 states have internal predecessors, (65), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 20:43:23,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:23,442 INFO L93 Difference]: Finished difference Result 125 states and 137 transitions. [2024-11-07 20:43:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:43:23,443 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-07 20:43:23,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:23,446 INFO L225 Difference]: With dead ends: 125 [2024-11-07 20:43:23,446 INFO L226 Difference]: Without dead ends: 56 [2024-11-07 20:43:23,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:43:23,450 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:23,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:23,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-07 20:43:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2024-11-07 20:43:23,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 32 states have (on average 1.71875) internal successors, (55), 53 states have internal predecessors, (55), 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 20:43:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2024-11-07 20:43:23,479 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 4 [2024-11-07 20:43:23,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:23,480 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2024-11-07 20:43:23,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 20:43:23,480 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2024-11-07 20:43:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:43:23,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:23,481 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:43:23,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:43:23,482 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:23,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:23,483 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-07 20:43:23,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:23,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52063792] [2024-11-07 20:43:23,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:23,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:23,553 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 20:43:23,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:23,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52063792] [2024-11-07 20:43:23,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52063792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:23,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:23,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:23,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839316622] [2024-11-07 20:43:23,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:23,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:23,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:23,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:23,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:23,556 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:43:23,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:23,612 INFO L93 Difference]: Finished difference Result 56 states and 57 transitions. [2024-11-07 20:43:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:23,612 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-07 20:43:23,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:23,613 INFO L225 Difference]: With dead ends: 56 [2024-11-07 20:43:23,613 INFO L226 Difference]: Without dead ends: 55 [2024-11-07 20:43:23,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:43:23,613 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 55 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 99 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 20:43:23,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 99 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:23,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-07 20:43:23,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-11-07 20:43:23,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 32 states have (on average 1.6875) internal successors, (54), 52 states have internal predecessors, (54), 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 20:43:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2024-11-07 20:43:23,621 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 4 [2024-11-07 20:43:23,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:23,621 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2024-11-07 20:43:23,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 20:43:23,622 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2024-11-07 20:43:23,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 20:43:23,622 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:23,622 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 20:43:23,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:43:23,622 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:23,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-07 20:43:23,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:23,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765873688] [2024-11-07 20:43:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:23,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:23,671 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 20:43:23,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:23,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765873688] [2024-11-07 20:43:23,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765873688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:23,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:23,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:23,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033015528] [2024-11-07 20:43:23,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:23,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:23,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:23,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:23,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:23,672 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:43:23,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:23,699 INFO L93 Difference]: Finished difference Result 75 states and 76 transitions. [2024-11-07 20:43:23,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:43:23,699 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-07 20:43:23,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:23,699 INFO L225 Difference]: With dead ends: 75 [2024-11-07 20:43:23,699 INFO L226 Difference]: Without dead ends: 59 [2024-11-07 20:43:23,700 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:43:23,700 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 3 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:23,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:23,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-07 20:43:23,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-07 20:43:23,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 36 states have (on average 1.6111111111111112) internal successors, (58), 56 states have internal predecessors, (58), 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 20:43:23,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 60 transitions. [2024-11-07 20:43:23,704 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 60 transitions. Word has length 5 [2024-11-07 20:43:23,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:23,704 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 60 transitions. [2024-11-07 20:43:23,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 20:43:23,705 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2024-11-07 20:43:23,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 20:43:23,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:23,705 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:23,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:43:23,705 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:23,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:23,706 INFO L85 PathProgramCache]: Analyzing trace with hash 176612299, now seen corresponding path program 1 times [2024-11-07 20:43:23,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:23,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747537955] [2024-11-07 20:43:23,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:23,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:23,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143137406] [2024-11-07 20:43:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:23,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:23,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:23,715 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 20:43:23,717 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 20:43:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:23,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:43:23,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:23,801 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 20:43:23,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747537955] [2024-11-07 20:43:23,802 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:23,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143137406] [2024-11-07 20:43:23,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143137406] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:23,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:23,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:23,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686175228] [2024-11-07 20:43:23,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:23,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:43:23,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:23,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:43:23,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:43:23,803 INFO L87 Difference]: Start difference. First operand 59 states and 60 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:43:23,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:23,874 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-11-07 20:43:23,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:43:23,875 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 20:43:23,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:23,875 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:43:23,875 INFO L226 Difference]: Without dead ends: 87 [2024-11-07 20:43:23,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:43:23,876 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 25 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:23,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 61 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:23,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-07 20:43:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 75. [2024-11-07 20:43:23,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.607843137254902) internal successors, (82), 71 states have internal predecessors, (82), 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 20:43:23,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2024-11-07 20:43:23,886 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 8 [2024-11-07 20:43:23,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:23,886 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2024-11-07 20:43:23,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:43:23,886 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2024-11-07 20:43:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 20:43:23,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:23,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:23,901 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:24,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:24,090 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1180014025, now seen corresponding path program 1 times [2024-11-07 20:43:24,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038814948] [2024-11-07 20:43:24,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,127 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 20:43:24,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038814948] [2024-11-07 20:43:24,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038814948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:24,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:24,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016345934] [2024-11-07 20:43:24,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:43:24,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:43:24,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:43:24,128 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:43:24,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,198 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2024-11-07 20:43:24,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:43:24,199 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-07 20:43:24,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,199 INFO L225 Difference]: With dead ends: 93 [2024-11-07 20:43:24,200 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 20:43:24,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:43:24,200 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 22 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 65 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:24,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 20:43:24,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 80. [2024-11-07 20:43:24,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 56 states have (on average 1.5) internal successors, (84), 76 states have internal predecessors, (84), 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 20:43:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-11-07 20:43:24,204 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 9 [2024-11-07 20:43:24,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,205 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-11-07 20:43:24,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:43:24,205 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-11-07 20:43:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-07 20:43:24,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,205 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:24,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:43:24,205 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,206 INFO L85 PathProgramCache]: Analyzing trace with hash -509445297, now seen corresponding path program 1 times [2024-11-07 20:43:24,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276022784] [2024-11-07 20:43:24,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,249 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 20:43:24,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276022784] [2024-11-07 20:43:24,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276022784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:24,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:24,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179000842] [2024-11-07 20:43:24,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:24,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:24,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:24,250 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:43:24,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,302 INFO L93 Difference]: Finished difference Result 89 states and 93 transitions. [2024-11-07 20:43:24,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:24,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-07 20:43:24,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,303 INFO L225 Difference]: With dead ends: 89 [2024-11-07 20:43:24,303 INFO L226 Difference]: Without dead ends: 77 [2024-11-07 20:43:24,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:24,304 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 41 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 63 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:24,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-07 20:43:24,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2024-11-07 20:43:24,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.489795918367347) internal successors, (73), 69 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 20:43:24,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-07 20:43:24,308 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 12 [2024-11-07 20:43:24,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,308 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-07 20:43:24,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:43:24,308 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-07 20:43:24,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 20:43:24,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,309 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, 1] [2024-11-07 20:43:24,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:43:24,309 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1343722417, now seen corresponding path program 1 times [2024-11-07 20:43:24,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016161778] [2024-11-07 20:43:24,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:24,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,354 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 20:43:24,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016161778] [2024-11-07 20:43:24,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016161778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:24,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:24,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69895668] [2024-11-07 20:43:24,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,355 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:43:24,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:43:24,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:43:24,356 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:43:24,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,370 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2024-11-07 20:43:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:43:24,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 21 [2024-11-07 20:43:24,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,371 INFO L225 Difference]: With dead ends: 75 [2024-11-07 20:43:24,372 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 20:43:24,372 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 20:43:24,372 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 1 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,372 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:24,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 20:43:24,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 20:43:24,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 49 states have (on average 1.4489795918367347) internal successors, (71), 69 states have internal predecessors, (71), 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 20:43:24,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2024-11-07 20:43:24,376 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 21 [2024-11-07 20:43:24,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,377 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2024-11-07 20:43:24,377 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 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 20:43:24,377 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2024-11-07 20:43:24,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:43:24,377 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,378 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, 1, 1, 1, 1, 1] [2024-11-07 20:43:24,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:43:24,378 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1913246411, now seen corresponding path program 1 times [2024-11-07 20:43:24,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668222887] [2024-11-07 20:43:24,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,466 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 20:43:24,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668222887] [2024-11-07 20:43:24,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668222887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:24,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:24,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960165986] [2024-11-07 20:43:24,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:24,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:24,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:24,492 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 20:43:24,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,562 INFO L93 Difference]: Finished difference Result 76 states and 79 transitions. [2024-11-07 20:43:24,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:24,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 25 [2024-11-07 20:43:24,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,563 INFO L225 Difference]: With dead ends: 76 [2024-11-07 20:43:24,564 INFO L226 Difference]: Without dead ends: 75 [2024-11-07 20:43:24,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 20:43:24,565 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 78 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:24,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-07 20:43:24,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 74. [2024-11-07 20:43:24,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 50 states have (on average 1.44) internal successors, (72), 70 states have internal predecessors, (72), 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 20:43:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-07 20:43:24,571 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 25 [2024-11-07 20:43:24,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,571 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-07 20:43:24,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 20:43:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-07 20:43:24,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:43:24,572 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,572 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, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:24,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:43:24,572 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,572 INFO L85 PathProgramCache]: Analyzing trace with hash 818903483, now seen corresponding path program 1 times [2024-11-07 20:43:24,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847890661] [2024-11-07 20:43:24,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,636 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 20:43:24,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847890661] [2024-11-07 20:43:24,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847890661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:24,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:24,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258534724] [2024-11-07 20:43:24,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:24,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:24,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:24,638 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 20:43:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,685 INFO L93 Difference]: Finished difference Result 76 states and 78 transitions. [2024-11-07 20:43:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:24,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 26 [2024-11-07 20:43:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,687 INFO L225 Difference]: With dead ends: 76 [2024-11-07 20:43:24,687 INFO L226 Difference]: Without dead ends: 75 [2024-11-07 20:43:24,687 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:24,687 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,687 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:24,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2024-11-07 20:43:24,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2024-11-07 20:43:24,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 51 states have (on average 1.4313725490196079) internal successors, (73), 71 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 20:43:24,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 77 transitions. [2024-11-07 20:43:24,694 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 77 transitions. Word has length 26 [2024-11-07 20:43:24,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,694 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 77 transitions. [2024-11-07 20:43:24,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 20:43:24,694 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 77 transitions. [2024-11-07 20:43:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-07 20:43:24,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,694 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] [2024-11-07 20:43:24,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:43:24,695 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:24,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:24,695 INFO L85 PathProgramCache]: Analyzing trace with hash 539457580, now seen corresponding path program 1 times [2024-11-07 20:43:24,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:24,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979252822] [2024-11-07 20:43:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,780 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 20:43:24,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979252822] [2024-11-07 20:43:24,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979252822] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:24,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219537289] [2024-11-07 20:43:24,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:24,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:24,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:24,784 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 20:43:24,785 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 20:43:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:24,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:43:24,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:24,886 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 20:43:24,886 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:24,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219537289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:24,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:24,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 20:43:24,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379750044] [2024-11-07 20:43:24,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:43:24,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:43:24,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:43:24,887 INFO L87 Difference]: Start difference. First operand 75 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), 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 20:43:24,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:24,921 INFO L93 Difference]: Finished difference Result 90 states and 91 transitions. [2024-11-07 20:43:24,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:43:24,921 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), 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 29 [2024-11-07 20:43:24,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:24,922 INFO L225 Difference]: With dead ends: 90 [2024-11-07 20:43:24,922 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:43:24,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:43:24,925 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 33 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:24,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 201 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:24,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:43:24,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 74. [2024-11-07 20:43:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.411764705882353) internal successors, (72), 70 states have internal predecessors, (72), 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 20:43:24,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 76 transitions. [2024-11-07 20:43:24,929 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 76 transitions. Word has length 29 [2024-11-07 20:43:24,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:24,929 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 76 transitions. [2024-11-07 20:43:24,929 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), 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 20:43:24,929 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 76 transitions. [2024-11-07 20:43:24,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:43:24,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:24,930 INFO L215 NwaCegarLoop]: trace histogram [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 20:43:24,941 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:25,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:25,131 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:25,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:25,131 INFO L85 PathProgramCache]: Analyzing trace with hash -786810108, now seen corresponding path program 1 times [2024-11-07 20:43:25,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:25,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77676859] [2024-11-07 20:43:25,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:25,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1462074153] [2024-11-07 20:43:25,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:25,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:25,144 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 20:43:25,145 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 20:43:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:25,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:43:25,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:25,213 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:25,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:25,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77676859] [2024-11-07 20:43:25,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:25,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462074153] [2024-11-07 20:43:25,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462074153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:25,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:43:25,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-07 20:43:25,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114152901] [2024-11-07 20:43:25,293 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:25,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:43:25,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:25,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:43:25,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:43:25,294 INFO L87 Difference]: Start difference. First operand 74 states and 76 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 20:43:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:25,415 INFO L93 Difference]: Finished difference Result 152 states and 187 transitions. [2024-11-07 20:43:25,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:43:25,416 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 32 [2024-11-07 20:43:25,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:25,417 INFO L225 Difference]: With dead ends: 152 [2024-11-07 20:43:25,417 INFO L226 Difference]: Without dead ends: 148 [2024-11-07 20:43:25,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:43:25,417 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 136 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:25,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 119 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:25,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-11-07 20:43:25,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 120. [2024-11-07 20:43:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 97 states have (on average 1.4536082474226804) internal successors, (141), 114 states have internal predecessors, (141), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:25,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 149 transitions. [2024-11-07 20:43:25,428 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 149 transitions. Word has length 32 [2024-11-07 20:43:25,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:25,429 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 149 transitions. [2024-11-07 20:43:25,429 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 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 20:43:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 149 transitions. [2024-11-07 20:43:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-07 20:43:25,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:25,430 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:43:25,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:25,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:25,631 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:25,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:25,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1378690480, now seen corresponding path program 1 times [2024-11-07 20:43:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908550622] [2024-11-07 20:43:25,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:25,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:25,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:25,730 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:25,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:25,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908550622] [2024-11-07 20:43:25,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908550622] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:25,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512202479] [2024-11-07 20:43:25,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:25,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:25,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:25,737 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 20:43:25,738 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 20:43:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:25,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:43:25,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:25,865 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:25,865 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:25,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:25,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512202479] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:25,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:25,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-07 20:43:26,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158202136] [2024-11-07 20:43:26,002 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:26,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:43:26,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:26,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:43:26,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:43:26,002 INFO L87 Difference]: Start difference. First operand 120 states and 149 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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 20:43:26,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:26,115 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2024-11-07 20:43:26,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:43:26,116 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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 33 [2024-11-07 20:43:26,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:26,117 INFO L225 Difference]: With dead ends: 120 [2024-11-07 20:43:26,117 INFO L226 Difference]: Without dead ends: 117 [2024-11-07 20:43:26,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:43:26,118 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 65 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:26,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 88 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:26,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-07 20:43:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-07 20:43:26,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 97 states have (on average 1.3814432989690721) internal successors, (134), 111 states have internal predecessors, (134), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:26,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 142 transitions. [2024-11-07 20:43:26,124 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 142 transitions. Word has length 33 [2024-11-07 20:43:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:26,124 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 142 transitions. [2024-11-07 20:43:26,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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 20:43:26,124 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 142 transitions. [2024-11-07 20:43:26,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 20:43:26,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:26,125 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:26,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:26,328 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,SelfDestructingSolverStorable11 [2024-11-07 20:43:26,329 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:26,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:26,329 INFO L85 PathProgramCache]: Analyzing trace with hash -210268026, now seen corresponding path program 1 times [2024-11-07 20:43:26,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:26,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142428504] [2024-11-07 20:43:26,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:26,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:26,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:26,391 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:26,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142428504] [2024-11-07 20:43:26,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142428504] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:26,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105046920] [2024-11-07 20:43:26,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:26,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:26,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:26,393 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 20:43:26,403 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 20:43:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:26,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:43:26,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:26,515 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:26,516 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:26,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:26,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105046920] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:26,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:26,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-07 20:43:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942187957] [2024-11-07 20:43:26,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:26,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:43:26,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:43:26,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:43:26,569 INFO L87 Difference]: Start difference. First operand 117 states and 142 transitions. Second operand has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 20:43:26,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:26,689 INFO L93 Difference]: Finished difference Result 134 states and 159 transitions. [2024-11-07 20:43:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:43:26,690 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 34 [2024-11-07 20:43:26,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:26,690 INFO L225 Difference]: With dead ends: 134 [2024-11-07 20:43:26,690 INFO L226 Difference]: Without dead ends: 127 [2024-11-07 20:43:26,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:43:26,691 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 55 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:26,691 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 127 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:26,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2024-11-07 20:43:26,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 117. [2024-11-07 20:43:26,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 101 states have (on average 1.2574257425742574) internal successors, (127), 111 states have internal predecessors, (127), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2024-11-07 20:43:26,695 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 34 [2024-11-07 20:43:26,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:26,695 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2024-11-07 20:43:26,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.88888888888889) internal successors, (80), 10 states have internal predecessors, (80), 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 20:43:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2024-11-07 20:43:26,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:43:26,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:26,696 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] [2024-11-07 20:43:26,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:26,899 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,SelfDestructingSolverStorable12 [2024-11-07 20:43:26,900 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:26,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:26,900 INFO L85 PathProgramCache]: Analyzing trace with hash -204108280, now seen corresponding path program 1 times [2024-11-07 20:43:26,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:26,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041205652] [2024-11-07 20:43:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:26,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:26,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:26,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:26,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:26,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041205652] [2024-11-07 20:43:26,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041205652] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:26,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420010754] [2024-11-07 20:43:26,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:26,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:26,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:26,980 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 20:43:26,981 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 20:43:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:43:27,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:27,114 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:43:27,115 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:27,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420010754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:27,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:27,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 20:43:27,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958929213] [2024-11-07 20:43:27,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:27,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:43:27,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:27,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:43:27,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:43:27,116 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 20:43:27,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:27,167 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2024-11-07 20:43:27,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:43:27,167 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 36 [2024-11-07 20:43:27,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:27,168 INFO L225 Difference]: With dead ends: 119 [2024-11-07 20:43:27,168 INFO L226 Difference]: Without dead ends: 105 [2024-11-07 20:43:27,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:43:27,168 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 31 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:27,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 52 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:27,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-07 20:43:27,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-07 20:43:27,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 99 states have internal predecessors, (106), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:27,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions. [2024-11-07 20:43:27,172 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 36 [2024-11-07 20:43:27,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:27,173 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions. [2024-11-07 20:43:27,173 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 20:43:27,173 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions. [2024-11-07 20:43:27,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:43:27,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:27,175 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:27,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 20:43:27,375 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,SelfDestructingSolverStorable13 [2024-11-07 20:43:27,375 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:27,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:27,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1169456872, now seen corresponding path program 1 times [2024-11-07 20:43:27,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:27,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80149502] [2024-11-07 20:43:27,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,436 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:43:27,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:27,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80149502] [2024-11-07 20:43:27,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80149502] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:27,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2083146347] [2024-11-07 20:43:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:27,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:27,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:27,440 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 20:43:27,441 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 20:43:27,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:43:27,473 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:43:27,528 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:27,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2083146347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:27,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:27,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:43:27,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953800413] [2024-11-07 20:43:27,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:27,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:27,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:27,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:27,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:43:27,529 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 20:43:27,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:27,553 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2024-11-07 20:43:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:27,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 45 [2024-11-07 20:43:27,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:27,554 INFO L225 Difference]: With dead ends: 105 [2024-11-07 20:43:27,554 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:43:27,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:43:27,555 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 10 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:27,555 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 70 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:27,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:43:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-07 20:43:27,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 93 states have (on average 1.10752688172043) internal successors, (103), 98 states have internal predecessors, (103), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:27,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2024-11-07 20:43:27,559 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 45 [2024-11-07 20:43:27,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:27,560 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2024-11-07 20:43:27,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 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 20:43:27,560 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2024-11-07 20:43:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:43:27,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:27,563 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:27,577 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:43:27,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:27,768 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:27,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:27,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1893424592, now seen corresponding path program 1 times [2024-11-07 20:43:27,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:27,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514866321] [2024-11-07 20:43:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,822 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:43:27,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:27,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514866321] [2024-11-07 20:43:27,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514866321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:27,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1304243886] [2024-11-07 20:43:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:27,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:27,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:27,825 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 20:43:27,826 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 20:43:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:27,855 INFO L255 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:43:27,856 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:27,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:43:27,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:27,932 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:43:27,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1304243886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:27,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:27,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:43:27,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840514472] [2024-11-07 20:43:27,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:27,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:43:27,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:27,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:43:27,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:43:27,933 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:43:27,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:27,954 INFO L93 Difference]: Finished difference Result 120 states and 126 transitions. [2024-11-07 20:43:27,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:43:27,955 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 46 [2024-11-07 20:43:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:27,955 INFO L225 Difference]: With dead ends: 120 [2024-11-07 20:43:27,955 INFO L226 Difference]: Without dead ends: 119 [2024-11-07 20:43:27,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:43:27,956 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 11 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:27,956 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:27,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-07 20:43:27,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 114. [2024-11-07 20:43:27,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 102 states have (on average 1.088235294117647) internal successors, (111), 107 states have internal predecessors, (111), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:43:27,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2024-11-07 20:43:27,960 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 46 [2024-11-07 20:43:27,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:27,960 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2024-11-07 20:43:27,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.0) internal successors, (90), 7 states have internal predecessors, (90), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:43:27,960 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2024-11-07 20:43:27,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-07 20:43:27,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:27,960 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-07 20:43:27,983 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:28,161 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,SelfDestructingSolverStorable15 [2024-11-07 20:43:28,161 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:28,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:28,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1909658797, now seen corresponding path program 1 times [2024-11-07 20:43:28,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:28,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255974404] [2024-11-07 20:43:28,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:28,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:28,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:28,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:28,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:43:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:28,257 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:28,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:28,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255974404] [2024-11-07 20:43:28,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255974404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:28,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255930573] [2024-11-07 20:43:28,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:28,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:28,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:28,259 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 20:43:28,260 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 20:43:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:28,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:43:28,300 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:28,469 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:28,469 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:28,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:28,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255930573] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:28,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:28,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-07 20:43:28,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220250355] [2024-11-07 20:43:28,600 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:28,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 20:43:28,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:28,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 20:43:28,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:43:28,601 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:43:28,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:28,821 INFO L93 Difference]: Finished difference Result 171 states and 190 transitions. [2024-11-07 20:43:28,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:43:28,822 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 74 [2024-11-07 20:43:28,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:28,823 INFO L225 Difference]: With dead ends: 171 [2024-11-07 20:43:28,823 INFO L226 Difference]: Without dead ends: 170 [2024-11-07 20:43:28,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:43:28,823 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:28,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 125 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:28,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-07 20:43:28,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 158. [2024-11-07 20:43:28,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 144 states have (on average 1.1111111111111112) internal successors, (160), 149 states have internal predecessors, (160), 7 states have call successors, (7), 1 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 20:43:28,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 174 transitions. [2024-11-07 20:43:28,828 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 174 transitions. Word has length 74 [2024-11-07 20:43:28,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:28,829 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 174 transitions. [2024-11-07 20:43:28,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:43:28,829 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 174 transitions. [2024-11-07 20:43:28,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-07 20:43:28,829 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:28,829 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-07 20:43:28,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:43:29,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:29,034 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:29,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:29,034 INFO L85 PathProgramCache]: Analyzing trace with hash -722331272, now seen corresponding path program 2 times [2024-11-07 20:43:29,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:29,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667796236] [2024-11-07 20:43:29,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:29,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:29,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:29,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:29,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:29,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:29,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:43:29,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:29,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:29,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667796236] [2024-11-07 20:43:29,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667796236] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:29,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435645986] [2024-11-07 20:43:29,144 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:43:29,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:29,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:29,146 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 20:43:29,147 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 20:43:29,185 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:43:29,185 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:43:29,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:43:29,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:29,358 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:29,359 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:29,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435645986] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:29,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:29,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-07 20:43:29,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733245678] [2024-11-07 20:43:29,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:29,513 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:43:29,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:29,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:43:29,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:43:29,514 INFO L87 Difference]: Start difference. First operand 158 states and 174 transitions. Second operand has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:43:29,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:29,812 INFO L93 Difference]: Finished difference Result 186 states and 202 transitions. [2024-11-07 20:43:29,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:43:29,813 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Word has length 82 [2024-11-07 20:43:29,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:29,814 INFO L225 Difference]: With dead ends: 186 [2024-11-07 20:43:29,814 INFO L226 Difference]: Without dead ends: 174 [2024-11-07 20:43:29,814 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=321, Invalid=549, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:43:29,815 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 106 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:29,815 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 197 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:43:29,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2024-11-07 20:43:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 166. [2024-11-07 20:43:29,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 152 states have (on average 1.0921052631578947) internal successors, (166), 157 states have internal predecessors, (166), 7 states have call successors, (7), 1 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 20:43:29,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 180 transitions. [2024-11-07 20:43:29,821 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 180 transitions. Word has length 82 [2024-11-07 20:43:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:29,821 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 180 transitions. [2024-11-07 20:43:29,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 9.238095238095237) internal successors, (194), 22 states have internal predecessors, (194), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:43:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 180 transitions. [2024-11-07 20:43:29,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 20:43:29,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:29,822 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-07 20:43:29,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:43:30,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:43:30,027 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:30,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:30,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1306599087, now seen corresponding path program 2 times [2024-11-07 20:43:30,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:30,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249575291] [2024-11-07 20:43:30,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:30,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:30,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1886422289] [2024-11-07 20:43:30,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:43:30,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:30,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:30,052 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 20:43:30,060 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 20:43:30,126 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:43:30,126 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:43:30,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:43:30,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:30,285 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:43:30,285 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:30,509 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 144 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:43:30,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:30,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249575291] [2024-11-07 20:43:30,509 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:30,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886422289] [2024-11-07 20:43:30,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886422289] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:30,510 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:43:30,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:43:30,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468454725] [2024-11-07 20:43:30,510 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:30,510 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:43:30,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:30,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:43:30,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:43:30,511 INFO L87 Difference]: Start difference. First operand 166 states and 180 transitions. Second operand has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 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 20:43:30,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:30,788 INFO L93 Difference]: Finished difference Result 249 states and 272 transitions. [2024-11-07 20:43:30,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:43:30,788 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 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) Word has length 104 [2024-11-07 20:43:30,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:30,789 INFO L225 Difference]: With dead ends: 249 [2024-11-07 20:43:30,789 INFO L226 Difference]: Without dead ends: 241 [2024-11-07 20:43:30,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:43:30,790 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 143 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:30,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 384 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:43:30,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-07 20:43:30,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 224. [2024-11-07 20:43:30,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 207 states have (on average 1.0917874396135265) internal successors, (226), 212 states have internal predecessors, (226), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:43:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 246 transitions. [2024-11-07 20:43:30,795 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 246 transitions. Word has length 104 [2024-11-07 20:43:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:30,796 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 246 transitions. [2024-11-07 20:43:30,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 15.454545454545455) internal successors, (170), 12 states have internal predecessors, (170), 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 20:43:30,796 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 246 transitions. [2024-11-07 20:43:30,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-07 20:43:30,796 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:30,796 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-07 20:43:30,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:30,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:30,997 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:30,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:30,997 INFO L85 PathProgramCache]: Analyzing trace with hash -835567973, now seen corresponding path program 2 times [2024-11-07 20:43:30,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:30,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920348127] [2024-11-07 20:43:30,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:30,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:43:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:43:31,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 20:43:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,056 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-07 20:43:31,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920348127] [2024-11-07 20:43:31,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920348127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:31,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857981356] [2024-11-07 20:43:31,057 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:43:31,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:31,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:31,058 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 20:43:31,059 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 20:43:31,087 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 20:43:31,087 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:43:31,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:43:31,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-07 20:43:31,172 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:31,276 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-07 20:43:31,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857981356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:31,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:31,276 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-07 20:43:31,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275535294] [2024-11-07 20:43:31,276 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:31,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:43:31,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:31,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:43:31,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:43:31,277 INFO L87 Difference]: Start difference. First operand 224 states and 246 transitions. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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 20:43:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:31,295 INFO L93 Difference]: Finished difference Result 224 states and 246 transitions. [2024-11-07 20:43:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:31,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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) Word has length 118 [2024-11-07 20:43:31,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:31,297 INFO L225 Difference]: With dead ends: 224 [2024-11-07 20:43:31,297 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 20:43:31,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:43:31,297 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 55 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:31,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 72 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 20:43:31,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-07 20:43:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 207 states have (on average 1.0628019323671498) internal successors, (220), 211 states have internal predecessors, (220), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:43:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 240 transitions. [2024-11-07 20:43:31,303 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 240 transitions. Word has length 118 [2024-11-07 20:43:31,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:31,303 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 240 transitions. [2024-11-07 20:43:31,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 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 20:43:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 240 transitions. [2024-11-07 20:43:31,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 20:43:31,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:31,304 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-07 20:43:31,315 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:43:31,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:31,505 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:31,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:31,505 INFO L85 PathProgramCache]: Analyzing trace with hash 84477585, now seen corresponding path program 2 times [2024-11-07 20:43:31,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:31,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897577227] [2024-11-07 20:43:31,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:31,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:43:31,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:43:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 20:43:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:43:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 20:43:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:31,879 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:43:31,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:31,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897577227] [2024-11-07 20:43:31,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897577227] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:31,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137297567] [2024-11-07 20:43:31,880 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:43:31,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:31,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:31,881 INFO L229 MonitoredProcess]: Starting monitored process 14 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 20:43:31,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:43:31,916 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-07 20:43:31,916 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:43:31,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:43:31,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-07 20:43:32,041 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137297567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:32,041 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:32,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 20 [2024-11-07 20:43:32,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077707077] [2024-11-07 20:43:32,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:32,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:43:32,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:32,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:43:32,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=363, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:43:32,043 INFO L87 Difference]: Start difference. First operand 223 states and 240 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:43:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:32,121 INFO L93 Difference]: Finished difference Result 225 states and 242 transitions. [2024-11-07 20:43:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:43:32,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 170 [2024-11-07 20:43:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:32,123 INFO L225 Difference]: With dead ends: 225 [2024-11-07 20:43:32,123 INFO L226 Difference]: Without dead ends: 224 [2024-11-07 20:43:32,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=401, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:43:32,124 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 25 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:32,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 76 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-11-07 20:43:32,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 222. [2024-11-07 20:43:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 207 states have (on average 1.0434782608695652) internal successors, (216), 210 states have internal predecessors, (216), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:43:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 236 transitions. [2024-11-07 20:43:32,133 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 236 transitions. Word has length 170 [2024-11-07 20:43:32,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:32,134 INFO L471 AbstractCegarLoop]: Abstraction has 222 states and 236 transitions. [2024-11-07 20:43:32,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 7 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:43:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 236 transitions. [2024-11-07 20:43:32,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-07 20:43:32,135 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:32,135 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-07 20:43:32,146 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:32,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:32,336 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:43:32,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:32,336 INFO L85 PathProgramCache]: Analyzing trace with hash -593893540, now seen corresponding path program 3 times [2024-11-07 20:43:32,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:32,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772803366] [2024-11-07 20:43:32,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:32,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 20:43:32,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:43:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 20:43:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:43:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-07 20:43:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:43:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-07 20:43:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:32,641 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 476 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:43:32,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:32,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772803366] [2024-11-07 20:43:32,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772803366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:32,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520430814] [2024-11-07 20:43:32,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:43:32,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:32,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:32,643 INFO L229 MonitoredProcess]: Starting monitored process 15 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 20:43:32,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:43:32,679 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:43:32,679 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:43:32,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:43:32,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:44:13,808 WARN L873 $PredicateComparison]: unable to prove that (exists ((|ULTIMATE.start_main_~y~0#1| Int)) (let ((.cse0 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (and (= (mod (+ |ULTIMATE.start_main_~y~0#1| .cse0) 2) 0) (<= .cse0 9223372036854775807) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~y~0#1| (div (+ (* (- 1) |ULTIMATE.start_main_~y~0#1|) .cse0) 2)))))) is different from true [2024-11-07 20:44:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-07 20:44:17,824 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:44:17,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520430814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:44:17,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:44:17,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 23 [2024-11-07 20:44:17,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556638370] [2024-11-07 20:44:17,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:44:17,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:44:17,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:44:17,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:44:17,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=422, Unknown=2, NotChecked=42, Total=552 [2024-11-07 20:44:17,825 INFO L87 Difference]: Start difference. First operand 222 states and 236 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:44:30,502 WARN L286 SmtUtils]: Spent 8.04s on a formula simplification. DAG size of input: 22 DAG size of output: 31 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-07 20:44:43,460 WARN L873 $PredicateComparison]: unable to prove that (let ((.cse2 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (let ((.cse0 (div (+ .cse2 (* (- 1) |c_ULTIMATE.start_main_~y~0#1|)) 2)) (.cse1 (+ |c_ULTIMATE.start_main_~y~0#1| .cse2))) (and (<= |c_ULTIMATE.start_main_~x~0#1| 4611686018427387903) (<= |c_ULTIMATE.start_main_~x~0#1| (+ |c_ULTIMATE.start_main_~y~0#1| .cse0)) (= (mod .cse1 2) 0) (<= .cse0 4611686018427387903) (= .cse1 (* |c_ULTIMATE.start_main_~x~0#1| 2))))) is different from true [2024-11-07 20:44:47,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:44:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:44:47,608 INFO L93 Difference]: Finished difference Result 224 states and 238 transitions. [2024-11-07 20:44:47,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:44:47,611 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 178 [2024-11-07 20:44:47,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:44:47,613 INFO L225 Difference]: With dead ends: 224 [2024-11-07 20:44:47,613 INFO L226 Difference]: Without dead ends: 218 [2024-11-07 20:44:47,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 186 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 38.6s TimeCoverageRelationStatistics Valid=110, Invalid=595, Unknown=5, NotChecked=102, Total=812 [2024-11-07 20:44:47,614 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 61 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 56 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:44:47,614 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 49 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 1 Unknown, 56 Unchecked, 4.2s Time] [2024-11-07 20:44:47,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-07 20:44:47,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 216. [2024-11-07 20:44:47,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 203 states have (on average 1.0098522167487685) internal successors, (205), 204 states have internal predecessors, (205), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:44:47,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 225 transitions. [2024-11-07 20:44:47,628 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 225 transitions. Word has length 178 [2024-11-07 20:44:47,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:44:47,629 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 225 transitions. [2024-11-07 20:44:47,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:44:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 225 transitions. [2024-11-07 20:44:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2024-11-07 20:44:47,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:44:47,630 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-07 20:44:47,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 20:44:47,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-07 20:44:47,831 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:44:47,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:44:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash -633156347, now seen corresponding path program 3 times [2024-11-07 20:44:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:44:47,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688946697] [2024-11-07 20:44:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:44:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:44:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:44:47,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21617005] [2024-11-07 20:44:47,876 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:44:47,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:44:47,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:44:47,881 INFO L229 MonitoredProcess]: Starting monitored process 16 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 20:44:47,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:44:47,995 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-07 20:44:47,995 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:44:47,996 INFO L255 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:44:47,999 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:44:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:44:48,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:44:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1140 backedges. 0 proven. 960 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-11-07 20:44:49,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:44:49,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688946697] [2024-11-07 20:44:49,008 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:44:49,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21617005] [2024-11-07 20:44:49,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21617005] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:44:49,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:44:49,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-07 20:44:49,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163546004] [2024-11-07 20:44:49,009 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:44:49,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:44:49,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:44:49,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:44:49,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=166, Invalid=386, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:44:49,011 INFO L87 Difference]: Start difference. First operand 216 states and 225 transitions. Second operand has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:44:50,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:44:50,213 INFO L93 Difference]: Finished difference Result 482 states and 525 transitions. [2024-11-07 20:44:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 20:44:50,214 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Word has length 248 [2024-11-07 20:44:50,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:44:50,217 INFO L225 Difference]: With dead ends: 482 [2024-11-07 20:44:50,217 INFO L226 Difference]: Without dead ends: 456 [2024-11-07 20:44:50,217 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=406, Invalid=716, Unknown=0, NotChecked=0, Total=1122 [2024-11-07 20:44:50,217 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 293 mSDsluCounter, 1301 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 1430 SdHoareTripleChecker+Invalid, 1497 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:44:50,218 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 1430 Invalid, 1497 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1472 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:44:50,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2024-11-07 20:44:50,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 456. [2024-11-07 20:44:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 431 states have (on average 1.0046403712296983) internal successors, (433), 432 states have internal predecessors, (433), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 20:44:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 477 transitions. [2024-11-07 20:44:50,237 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 477 transitions. Word has length 248 [2024-11-07 20:44:50,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:44:50,238 INFO L471 AbstractCegarLoop]: Abstraction has 456 states and 477 transitions. [2024-11-07 20:44:50,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 17.304347826086957) internal successors, (398), 24 states have internal predecessors, (398), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:44:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 477 transitions. [2024-11-07 20:44:50,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 537 [2024-11-07 20:44:50,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:44:50,243 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 23, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 1, 1, 1] [2024-11-07 20:44:50,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:44:50,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:44:50,448 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:44:50,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:44:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 852084145, now seen corresponding path program 4 times [2024-11-07 20:44:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:44:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097977334] [2024-11-07 20:44:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:44:50,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:44:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:44:50,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788425397] [2024-11-07 20:44:50,544 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:44:50,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:44:50,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:44:50,551 INFO L229 MonitoredProcess]: Starting monitored process 17 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 20:44:50,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:44:50,675 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:44:50,675 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:44:50,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 854 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-11-07 20:44:50,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:44:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5676 backedges. 0 proven. 4752 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:44:51,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:44:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 5676 backedges. 0 proven. 4752 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-07 20:44:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:44:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097977334] [2024-11-07 20:44:53,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:44:53,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788425397] [2024-11-07 20:44:53,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788425397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:44:53,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:44:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 47 [2024-11-07 20:44:53,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153034297] [2024-11-07 20:44:53,130 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:44:53,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-07 20:44:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:44:53,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-07 20:44:53,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=1634, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:44:53,132 INFO L87 Difference]: Start difference. First operand 456 states and 477 transitions. Second operand has 48 states, 47 states have (on average 18.170212765957448) internal successors, (854), 48 states have internal predecessors, (854), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 20:44:58,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:44:58,455 INFO L93 Difference]: Finished difference Result 986 states and 1077 transitions. [2024-11-07 20:44:58,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-07 20:44:58,456 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 18.170212765957448) internal successors, (854), 48 states have internal predecessors, (854), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Word has length 536 [2024-11-07 20:44:58,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:44:58,459 INFO L225 Difference]: With dead ends: 986 [2024-11-07 20:44:58,459 INFO L226 Difference]: Without dead ends: 936 [2024-11-07 20:44:58,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1092 GetRequests, 1024 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=1678, Invalid=3152, Unknown=0, NotChecked=0, Total=4830 [2024-11-07 20:44:58,461 INFO L432 NwaCegarLoop]: 261 mSDtfsCounter, 838 mSDsluCounter, 5423 mSDsCounter, 0 mSdLazyCounter, 6112 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 840 SdHoareTripleChecker+Valid, 5684 SdHoareTripleChecker+Invalid, 6160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 6112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:44:58,461 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [840 Valid, 5684 Invalid, 6160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 6112 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-07 20:44:58,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2024-11-07 20:44:58,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2024-11-07 20:44:58,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 887 states have (on average 1.0022547914317925) internal successors, (889), 888 states have internal predecessors, (889), 46 states have call successors, (46), 1 states have call predecessors, (46), 1 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-07 20:44:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 981 transitions. [2024-11-07 20:44:58,497 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 981 transitions. Word has length 536 [2024-11-07 20:44:58,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:44:58,498 INFO L471 AbstractCegarLoop]: Abstraction has 936 states and 981 transitions. [2024-11-07 20:44:58,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 18.170212765957448) internal successors, (854), 48 states have internal predecessors, (854), 44 states have call successors, (44), 1 states have call predecessors, (44), 1 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 20:44:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 981 transitions. [2024-11-07 20:44:58,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2024-11-07 20:44:58,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:44:58,524 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 46, 1, 1, 1] [2024-11-07 20:44:58,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:44:58,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:44:58,727 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:44:58,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:44:58,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1366939895, now seen corresponding path program 5 times [2024-11-07 20:44:58,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:44:58,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110435148] [2024-11-07 20:44:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:44:58,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:44:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:44:58,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1228997006] [2024-11-07 20:44:58,973 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:44:58,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:44:58,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:44:58,976 INFO L229 MonitoredProcess]: Starting monitored process 18 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 20:44:58,977 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:44:59,792 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-07 20:44:59,793 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:44:59,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 1742 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-11-07 20:44:59,818 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:45:01,648 INFO L134 CoverageAnalysis]: Checked inductivity of 25116 backedges. 0 proven. 20976 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 20:45:01,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:45:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 25116 backedges. 0 proven. 20976 refuted. 0 times theorem prover too weak. 4140 trivial. 0 not checked. [2024-11-07 20:45:06,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:45:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110435148] [2024-11-07 20:45:06,684 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:45:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228997006] [2024-11-07 20:45:06,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228997006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:45:06,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:45:06,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48] total 95 [2024-11-07 20:45:06,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534011430] [2024-11-07 20:45:06,684 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:45:06,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-07 20:45:06,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:45:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-07 20:45:06,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2398, Invalid=6722, Unknown=0, NotChecked=0, Total=9120 [2024-11-07 20:45:06,693 INFO L87 Difference]: Start difference. First operand 936 states and 981 transitions. Second operand has 96 states, 95 states have (on average 18.589473684210525) internal successors, (1766), 96 states have internal predecessors, (1766), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92)