./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.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/geo1-ll_valuebound2.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', '0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb'] 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/geo1-ll_valuebound2.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 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:31:19,527 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:31:19,609 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:31:19,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:31:19,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:31:19,642 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:31:19,644 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:31:19,644 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:31:19,644 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:31:19,644 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:31:19,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:31:19,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:31:19,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:31:19,645 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:31:19,645 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:31:19,646 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:31:19,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:31:19,646 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:31:19,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:31:19,647 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:31:19,647 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:31:19,647 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:31:19,647 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:31:19,647 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 -> 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb [2024-11-07 20:31:19,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:31:19,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:31:19,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:31:19,918 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:31:19,918 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:31:19,919 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-07 20:31:21,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:31:21,420 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:31:21,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-07 20:31:21,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bedee3522/39e531343f4741349b758805b88f8bc7/FLAGd8e24d785 [2024-11-07 20:31:21,752 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bedee3522/39e531343f4741349b758805b88f8bc7 [2024-11-07 20:31:21,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:31:21,755 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:31:21,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:31:21,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:31:21,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:31:21,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57816dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21, skipping insertion in model container [2024-11-07 20:31:21,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:31:21,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:31:21,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:31:21,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:31:21,925 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:31:21,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21 WrapperNode [2024-11-07 20:31:21,926 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:31:21,927 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:31:21,927 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:31:21,927 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:31:21,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,938 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,952 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-07 20:31:21,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:31:21,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:31:21,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:31:21,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:31:21,961 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,962 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,972 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 20:31:21,972 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,973 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,975 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,978 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,978 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,979 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:31:21,981 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:31:21,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:31:21,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:31:21,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (1/1) ... [2024-11-07 20:31:21,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:31:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:22,015 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 20:31:22,018 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 20:31:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:31:22,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:31:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:31:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:31:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:31:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:31:22,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:31:22,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:31:22,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:31:22,092 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:31:22,318 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-07 20:31:22,318 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:31:22,327 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:31:22,329 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:31:22,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:22 BoogieIcfgContainer [2024-11-07 20:31:22,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:31:22,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:31:22,332 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:31:22,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:31:22,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:31:21" (1/3) ... [2024-11-07 20:31:22,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d5b395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:22, skipping insertion in model container [2024-11-07 20:31:22,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:21" (2/3) ... [2024-11-07 20:31:22,338 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54d5b395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:22, skipping insertion in model container [2024-11-07 20:31:22,338 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:22" (3/3) ... [2024-11-07 20:31:22,340 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound2.c [2024-11-07 20:31:22,353 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:31:22,354 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:31:22,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:31:22,417 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;@165146e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:31:22,418 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:31:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:31:22,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:22,429 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:22,429 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:22,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:22,434 INFO L85 PathProgramCache]: Analyzing trace with hash -106143586, now seen corresponding path program 1 times [2024-11-07 20:31:22,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:22,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422985602] [2024-11-07 20:31:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:22,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:22,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,589 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:22,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:22,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422985602] [2024-11-07 20:31:22,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422985602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:22,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:22,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:31:22,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170431190] [2024-11-07 20:31:22,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:22,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:31:22,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:22,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:31:22,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:31:22,615 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:31:22,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:22,633 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2024-11-07 20:31:22,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:31:22,635 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-07 20:31:22,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:22,638 INFO L225 Difference]: With dead ends: 144 [2024-11-07 20:31:22,639 INFO L226 Difference]: Without dead ends: 67 [2024-11-07 20:31:22,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 20:31:22,643 INFO L432 NwaCegarLoop]: 77 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, 77 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 20:31:22,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:31:22,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-07 20:31:22,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-07 20:31:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 59 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:31:22,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-07 20:31:22,674 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 26 [2024-11-07 20:31:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:22,674 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-07 20:31:22,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:31:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-07 20:31:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:31:22,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:22,676 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:22,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:31:22,676 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 20:31:22,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:22,676 INFO L85 PathProgramCache]: Analyzing trace with hash -150034342, now seen corresponding path program 1 times [2024-11-07 20:31:22,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:22,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556734397] [2024-11-07 20:31:22,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:22,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:22,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:22,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [583362672] [2024-11-07 20:31:22,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:22,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:22,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:22,720 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 20:31:22,721 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 20:31:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:22,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:31:22,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:22,849 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:22,850 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:22,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:22,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556734397] [2024-11-07 20:31:22,851 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:22,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583362672] [2024-11-07 20:31:22,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583362672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:22,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:22,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:31:22,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964711422] [2024-11-07 20:31:22,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:22,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:22,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:22,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:22,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:31:22,857 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:23,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:23,052 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2024-11-07 20:31:23,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:31:23,053 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-07 20:31:23,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:23,054 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:31:23,056 INFO L226 Difference]: Without dead ends: 90 [2024-11-07 20:31:23,056 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 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 20:31:23,057 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:23,057 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 60 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:31:23,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-07 20:31:23,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-07 20:31:23,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 77 states have internal predecessors, (90), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2024-11-07 20:31:23,074 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 26 [2024-11-07 20:31:23,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:23,074 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2024-11-07 20:31:23,075 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:23,075 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-07 20:31:23,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:31:23,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:23,075 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:23,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:31:23,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:23,281 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 20:31:23,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash -356097255, now seen corresponding path program 1 times [2024-11-07 20:31:23,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:23,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631580750] [2024-11-07 20:31:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:23,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:23,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791148783] [2024-11-07 20:31:23,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:23,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:23,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:23,318 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 20:31:23,322 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 20:31:23,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:23,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:31:23,374 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:23,427 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:23,428 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:23,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:23,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631580750] [2024-11-07 20:31:23,428 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:23,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791148783] [2024-11-07 20:31:23,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791148783] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:23,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:23,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:31:23,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020375810] [2024-11-07 20:31:23,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:23,429 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:23,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:23,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:23,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:31:23,431 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:23,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:23,572 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2024-11-07 20:31:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:31:23,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-07 20:31:23,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:23,574 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:31:23,574 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:31:23,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 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 20:31:23,577 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 44 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:23,577 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 72 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:23,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:31:23,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:31:23,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 78 states have internal predecessors, (87), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:23,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2024-11-07 20:31:23,588 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 27 [2024-11-07 20:31:23,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:23,588 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2024-11-07 20:31:23,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:23,588 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2024-11-07 20:31:23,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:31:23,589 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:23,589 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:23,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:31:23,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:23,790 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:23,791 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:23,791 INFO L85 PathProgramCache]: Analyzing trace with hash 75950110, now seen corresponding path program 1 times [2024-11-07 20:31:23,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:23,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139432313] [2024-11-07 20:31:23,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:23,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:23,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1897262495] [2024-11-07 20:31:23,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:23,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:23,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:23,813 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 20:31:23,815 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 20:31:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:23,884 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:31:23,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:23,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:23,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:23,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139432313] [2024-11-07 20:31:23,939 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:23,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897262495] [2024-11-07 20:31:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897262495] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:23,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:23,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:31:23,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372742208] [2024-11-07 20:31:23,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:23,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:31:23,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:23,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:31:23,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:31:23,941 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:24,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:24,092 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2024-11-07 20:31:24,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:31:24,092 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-07 20:31:24,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:24,093 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:31:24,093 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:31:24,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 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 20:31:24,094 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:24,094 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:24,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:31:24,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:31:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 78 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:24,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2024-11-07 20:31:24,101 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 30 [2024-11-07 20:31:24,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:24,101 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2024-11-07 20:31:24,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2024-11-07 20:31:24,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:31:24,102 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:24,102 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:24,119 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 20:31:24,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:24,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:24,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:24,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1940513827, now seen corresponding path program 1 times [2024-11-07 20:31:24,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:24,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912930500] [2024-11-07 20:31:24,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:24,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:24,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,620 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:24,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:24,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912930500] [2024-11-07 20:31:24,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912930500] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:24,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748208154] [2024-11-07 20:31:24,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:24,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:24,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:24,628 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 20:31:24,630 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 20:31:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:24,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:31:24,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:24,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:24,731 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:24,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748208154] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:24,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:24,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-07 20:31:24,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669566240] [2024-11-07 20:31:24,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:24,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:31:24,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:24,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:31:24,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:31:24,733 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:24,878 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-07 20:31:24,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:31:24,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-07 20:31:24,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:24,879 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:31:24,880 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:31:24,880 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:31:24,880 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:24,881 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:24,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:31:24,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:31:24,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 78 states have internal predecessors, (83), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-11-07 20:31:24,887 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 31 [2024-11-07 20:31:24,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:24,887 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-11-07 20:31:24,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:24,888 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-11-07 20:31:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:31:24,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:24,889 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 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 20:31:24,905 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:31:25,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:25,093 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:25,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:25,093 INFO L85 PathProgramCache]: Analyzing trace with hash -802581419, now seen corresponding path program 1 times [2024-11-07 20:31:25,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:25,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310615552] [2024-11-07 20:31:25,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:25,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:25,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:25,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:25,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:25,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310615552] [2024-11-07 20:31:25,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310615552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:25,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739503806] [2024-11-07 20:31:25,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:25,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:25,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:25,242 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 20:31:25,243 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 20:31:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:31:25,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:25,340 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:25,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:25,436 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739503806] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:31:25,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:31:25,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 20:31:25,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345601796] [2024-11-07 20:31:25,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:25,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:31:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:25,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:31:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:31:25,439 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 20:31:25,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:25,584 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-07 20:31:25,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:31:25,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 40 [2024-11-07 20:31:25,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:25,586 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:31:25,586 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:31:25,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:25,587 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 42 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:25,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 114 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:25,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:31:25,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:31:25,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 77 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:25,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2024-11-07 20:31:25,595 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 40 [2024-11-07 20:31:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:25,596 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2024-11-07 20:31:25,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 20:31:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2024-11-07 20:31:25,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:31:25,598 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:25,598 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 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 20:31:25,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:31:25,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:25,799 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:25,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:25,799 INFO L85 PathProgramCache]: Analyzing trace with hash -802581376, now seen corresponding path program 1 times [2024-11-07 20:31:25,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:25,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385865596] [2024-11-07 20:31:25,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:25,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:25,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,876 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:25,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385865596] [2024-11-07 20:31:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385865596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:25,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:25,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:31:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004826004] [2024-11-07 20:31:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:25,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:31:25,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:25,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:31:25,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:31:25,882 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:25,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:25,901 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-07 20:31:25,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:31:25,901 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-07 20:31:25,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:25,902 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:31:25,902 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:31:25,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 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 20:31:25,903 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:25,903 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:31:25,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:31:25,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:31:25,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-07 20:31:25,916 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 40 [2024-11-07 20:31:25,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:25,918 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-07 20:31:25,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-07 20:31:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:31:25,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:25,920 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:25,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:31:25,921 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:25,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:25,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1105682215, now seen corresponding path program 1 times [2024-11-07 20:31:25,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:25,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20975734] [2024-11-07 20:31:25,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:25,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:25,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:26,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:26,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20975734] [2024-11-07 20:31:26,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20975734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:26,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:26,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:31:26,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513409169] [2024-11-07 20:31:26,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:26,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:31:26,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:26,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:31:26,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:31:26,010 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:26,334 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2024-11-07 20:31:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:31:26,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-07 20:31:26,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:26,335 INFO L225 Difference]: With dead ends: 115 [2024-11-07 20:31:26,335 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:31:26,335 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:31:26,336 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 46 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:26,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 77 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:31:26,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:31:26,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2024-11-07 20:31:26,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 78 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:26,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-07 20:31:26,345 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 44 [2024-11-07 20:31:26,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:26,345 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-07 20:31:26,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-07 20:31:26,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:31:26,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:26,346 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:26,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:31:26,346 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:26,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash 83589803, now seen corresponding path program 1 times [2024-11-07 20:31:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681251656] [2024-11-07 20:31:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:26,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:26,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681251656] [2024-11-07 20:31:26,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681251656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:26,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:26,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:31:26,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108994730] [2024-11-07 20:31:26,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:26,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:31:26,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:26,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:31:26,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:31:26,420 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:26,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:26,624 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2024-11-07 20:31:26,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:31:26,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-07 20:31:26,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:26,626 INFO L225 Difference]: With dead ends: 89 [2024-11-07 20:31:26,626 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:31:26,627 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:31:26,627 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:26,627 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 79 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:31:26,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:31:26,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-07 20:31:26,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.396551724137931) internal successors, (81), 79 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:26,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2024-11-07 20:31:26,641 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 45 [2024-11-07 20:31:26,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:26,641 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2024-11-07 20:31:26,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2024-11-07 20:31:26,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:31:26,642 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:26,642 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:26,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:31:26,642 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:26,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:26,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1703683301, now seen corresponding path program 1 times [2024-11-07 20:31:26,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:26,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372802383] [2024-11-07 20:31:26,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:26,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:26,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:26,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:26,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:26,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372802383] [2024-11-07 20:31:26,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372802383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:26,747 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:26,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:31:26,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761838925] [2024-11-07 20:31:26,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:26,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:26,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:26,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:26,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:31:26,749 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:27,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:27,142 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-07 20:31:27,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:31:27,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-07 20:31:27,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:27,144 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:31:27,144 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:31:27,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 20:31:27,144 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 14 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:27,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 78 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:31:27,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:31:27,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:31:27,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:27,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-07 20:31:27,151 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 46 [2024-11-07 20:31:27,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:27,151 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-07 20:31:27,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:27,151 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-07 20:31:27,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:31:27,154 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:27,154 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:27,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:31:27,154 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:27,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:27,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1537150950, now seen corresponding path program 1 times [2024-11-07 20:31:27,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:27,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875469632] [2024-11-07 20:31:27,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:27,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:27,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [231586769] [2024-11-07 20:31:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:27,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:27,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:27,169 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 20:31:27,170 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 20:31:27,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:31:27,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:27,399 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:31:27,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:27,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:27,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875469632] [2024-11-07 20:31:27,516 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:27,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231586769] [2024-11-07 20:31:27,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231586769] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:27,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:27,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:31:27,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897679158] [2024-11-07 20:31:27,516 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:27,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:31:27,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:27,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:31:27,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:27,517 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:27,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:27,654 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-07 20:31:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:31:27,654 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 46 [2024-11-07 20:31:27,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:27,655 INFO L225 Difference]: With dead ends: 86 [2024-11-07 20:31:27,656 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 20:31:27,656 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:27,657 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:27,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 105 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:27,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 20:31:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-07 20:31:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 76 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-07 20:31:27,665 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 46 [2024-11-07 20:31:27,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:27,666 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-07 20:31:27,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:27,667 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-07 20:31:27,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:31:27,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:27,667 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:27,684 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 20:31:27,868 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,SelfDestructingSolverStorable10 [2024-11-07 20:31:27,868 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:27,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1274574675, now seen corresponding path program 1 times [2024-11-07 20:31:27,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:27,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723155680] [2024-11-07 20:31:27,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:27,946 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:27,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:27,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723155680] [2024-11-07 20:31:27,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723155680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:27,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:27,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:31:27,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39813559] [2024-11-07 20:31:27,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:27,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:27,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:27,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:27,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:31:27,949 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:28,318 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-07 20:31:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:31:28,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-11-07 20:31:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:28,319 INFO L225 Difference]: With dead ends: 85 [2024-11-07 20:31:28,319 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:31:28,319 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 20:31:28,320 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:28,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:31:28,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:31:28,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 20:31:28,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.36) internal successors, (68), 67 states have internal predecessors, (68), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:28,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2024-11-07 20:31:28,325 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 47 [2024-11-07 20:31:28,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:28,325 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2024-11-07 20:31:28,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:31:28,326 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2024-11-07 20:31:28,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:31:28,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:28,326 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:31:28,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 20:31:28,327 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:28,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:28,327 INFO L85 PathProgramCache]: Analyzing trace with hash 407039279, now seen corresponding path program 1 times [2024-11-07 20:31:28,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:28,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689520742] [2024-11-07 20:31:28,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [739566339] [2024-11-07 20:31:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:28,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:28,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:28,340 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 20:31:28,341 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 20:31:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:28,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:31:28,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:28,550 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:31:28,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:29,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:29,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689520742] [2024-11-07 20:31:29,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:29,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739566339] [2024-11-07 20:31:29,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739566339] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:29,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:29,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:31:29,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761180749] [2024-11-07 20:31:29,033 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:29,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:31:29,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:29,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:31:29,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:29,034 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:29,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:29,174 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2024-11-07 20:31:29,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:31:29,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 47 [2024-11-07 20:31:29,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:29,176 INFO L225 Difference]: With dead ends: 79 [2024-11-07 20:31:29,176 INFO L226 Difference]: Without dead ends: 78 [2024-11-07 20:31:29,176 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:29,176 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 50 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:29,177 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 98 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:29,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-07 20:31:29,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-07 20:31:29,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 69 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-07 20:31:29,182 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 47 [2024-11-07 20:31:29,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:29,183 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-07 20:31:29,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:29,183 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-07 20:31:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:31:29,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:29,184 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:29,199 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 20:31:29,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:29,388 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:29,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:29,388 INFO L85 PathProgramCache]: Analyzing trace with hash 322724689, now seen corresponding path program 1 times [2024-11-07 20:31:29,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:29,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186226447] [2024-11-07 20:31:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:29,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:29,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:29,398 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [620331562] [2024-11-07 20:31:29,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:29,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:29,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:29,402 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 20:31:29,403 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 20:31:29,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:29,441 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:31:29,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:29,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:31:29,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:29,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186226447] [2024-11-07 20:31:29,861 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:29,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620331562] [2024-11-07 20:31:29,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [620331562] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:29,861 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:29,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:31:29,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237536949] [2024-11-07 20:31:29,862 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:29,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:31:29,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:29,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:31:29,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:31:29,863 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:30,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:30,002 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2024-11-07 20:31:30,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:31:30,002 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2024-11-07 20:31:30,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:30,003 INFO L225 Difference]: With dead ends: 78 [2024-11-07 20:31:30,003 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 20:31:30,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:31:30,004 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 62 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:30,005 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 106 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:30,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 20:31:30,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 20:31:30,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.25) internal successors, (65), 64 states have internal predecessors, (65), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-07 20:31:30,009 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 49 [2024-11-07 20:31:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:30,009 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-07 20:31:30,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-07 20:31:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 20:31:30,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:30,012 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:30,030 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 20:31:30,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:30,213 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:30,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1414530818, now seen corresponding path program 1 times [2024-11-07 20:31:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:30,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318109406] [2024-11-07 20:31:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:30,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:30,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:30,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1390468091] [2024-11-07 20:31:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:30,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:30,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:30,227 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 20:31:30,229 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 20:31:30,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:30,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:31:30,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:30,436 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:31:30,437 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:31,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318109406] [2024-11-07 20:31:31,071 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:31,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390468091] [2024-11-07 20:31:31,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390468091] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:31,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:31,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:31:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096541270] [2024-11-07 20:31:31,072 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:31,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:31:31,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:31,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:31:31,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:31:31,073 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:31,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:31,211 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2024-11-07 20:31:31,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:31:31,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2024-11-07 20:31:31,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:31,212 INFO L225 Difference]: With dead ends: 101 [2024-11-07 20:31:31,212 INFO L226 Difference]: Without dead ends: 96 [2024-11-07 20:31:31,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:31:31,213 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:31,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 104 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:31:31,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-07 20:31:31,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-11-07 20:31:31,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 84 states have internal predecessors, (91), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:31:31,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2024-11-07 20:31:31,218 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 50 [2024-11-07 20:31:31,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:31,218 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2024-11-07 20:31:31,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:31:31,218 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2024-11-07 20:31:31,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:31:31,219 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:31,219 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:31,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:31:31,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:31,420 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:31,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1931456619, now seen corresponding path program 1 times [2024-11-07 20:31:31,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:31,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009076954] [2024-11-07 20:31:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:31,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:31,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [809730547] [2024-11-07 20:31:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:31,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:31,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:31,437 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 20:31:31,439 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 20:31:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:31,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:31:31,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:31,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:32,062 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:32,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:32,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009076954] [2024-11-07 20:31:32,062 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:31:32,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809730547] [2024-11-07 20:31:32,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809730547] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:31:32,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:31:32,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:31:32,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512400998] [2024-11-07 20:31:32,063 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:32,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:31:32,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:32,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:31:32,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:31:32,064 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:31:32,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:32,992 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2024-11-07 20:31:32,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:31:32,992 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2024-11-07 20:31:32,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:32,993 INFO L225 Difference]: With dead ends: 107 [2024-11-07 20:31:32,993 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:31:32,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:31:32,994 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:32,994 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 142 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:31:32,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:31:32,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-07 20:31:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.2375) internal successors, (99), 92 states have internal predecessors, (99), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:31:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2024-11-07 20:31:33,000 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 53 [2024-11-07 20:31:33,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:33,000 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2024-11-07 20:31:33,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:31:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2024-11-07 20:31:33,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 20:31:33,001 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:33,001 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:33,017 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 20:31:33,201 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,SelfDestructingSolverStorable15 [2024-11-07 20:31:33,201 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:33,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:33,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1216523465, now seen corresponding path program 1 times [2024-11-07 20:31:33,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:33,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260348742] [2024-11-07 20:31:33,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:33,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:33,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:33,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:31:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:31:33,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [260348742] [2024-11-07 20:31:33,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [260348742] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:33,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65490397] [2024-11-07 20:31:33,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:33,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:33,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:33,284 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 20:31:33,286 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 20:31:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:31:33,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:31:33,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:33,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65490397] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:33,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:33,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:31:33,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520119482] [2024-11-07 20:31:33,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:33,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:33,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:33,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:33,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:31:33,372 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:31:33,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:33,392 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2024-11-07 20:31:33,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:31:33,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-07 20:31:33,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:33,393 INFO L225 Difference]: With dead ends: 102 [2024-11-07 20:31:33,393 INFO L226 Difference]: Without dead ends: 101 [2024-11-07 20:31:33,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 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 20:31:33,394 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:33,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 123 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:31:33,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-07 20:31:33,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-07 20:31:33,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.2125) internal successors, (97), 91 states have internal predecessors, (97), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:31:33,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2024-11-07 20:31:33,400 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 63 [2024-11-07 20:31:33,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:33,400 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2024-11-07 20:31:33,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:31:33,400 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2024-11-07 20:31:33,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:31:33,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:33,401 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:33,418 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:31:33,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:31:33,602 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:33,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:33,602 INFO L85 PathProgramCache]: Analyzing trace with hash 942478322, now seen corresponding path program 1 times [2024-11-07 20:31:33,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:33,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186477576] [2024-11-07 20:31:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:33,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:33,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:31:33,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,672 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:31:33,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:33,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186477576] [2024-11-07 20:31:33,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186477576] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:33,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [241431683] [2024-11-07 20:31:33,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:33,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:31:33,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:33,679 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 20:31:33,686 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 20:31:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:33,726 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:31:33,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:31:33,776 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:33,837 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:31:33,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [241431683] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:31:33,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:31:33,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:31:33,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852315850] [2024-11-07 20:31:33,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:31:33,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:31:33,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:33,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:31:33,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:31:33,839 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:31:33,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:33,873 INFO L93 Difference]: Finished difference Result 141 states and 153 transitions. [2024-11-07 20:31:33,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:31:33,873 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 64 [2024-11-07 20:31:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:33,874 INFO L225 Difference]: With dead ends: 141 [2024-11-07 20:31:33,874 INFO L226 Difference]: Without dead ends: 140 [2024-11-07 20:31:33,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 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 20:31:33,875 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 19 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:33,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 217 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:31:33,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-07 20:31:33,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 127. [2024-11-07 20:31:33,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 115 states have internal predecessors, (132), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:31:33,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2024-11-07 20:31:33,881 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 64 [2024-11-07 20:31:33,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:33,882 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2024-11-07 20:31:33,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:31:33,882 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2024-11-07 20:31:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:31:33,882 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:33,883 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:33,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:31:34,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:31:34,083 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:34,084 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:34,084 INFO L85 PathProgramCache]: Analyzing trace with hash 1131424784, now seen corresponding path program 1 times [2024-11-07 20:31:34,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:34,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927810674] [2024-11-07 20:31:34,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:34,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:34,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:34,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:31:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,147 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-07 20:31:34,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:31:34,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927810674] [2024-11-07 20:31:34,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927810674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:34,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:34,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:31:34,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764541300] [2024-11-07 20:31:34,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:34,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:31:34,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:31:34,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:31:34,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:31:34,152 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:31:34,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:34,423 INFO L93 Difference]: Finished difference Result 127 states and 150 transitions. [2024-11-07 20:31:34,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:31:34,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-07 20:31:34,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:34,424 INFO L225 Difference]: With dead ends: 127 [2024-11-07 20:31:34,424 INFO L226 Difference]: Without dead ends: 126 [2024-11-07 20:31:34,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 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 20:31:34,425 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:34,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:31:34,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-07 20:31:34,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-07 20:31:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 114 states have internal predecessors, (131), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:31:34,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 149 transitions. [2024-11-07 20:31:34,432 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 149 transitions. Word has length 67 [2024-11-07 20:31:34,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:34,433 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 149 transitions. [2024-11-07 20:31:34,433 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:31:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2024-11-07 20:31:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 20:31:34,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:34,434 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:34,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:31:34,434 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:34,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:34,434 INFO L85 PathProgramCache]: Analyzing trace with hash 714430036, now seen corresponding path program 1 times [2024-11-07 20:31:34,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:31:34,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178975647] [2024-11-07 20:31:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:34,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:31:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:31:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:31:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:31:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:31:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:31:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:31:34,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 20:31:34,622 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig$NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:388) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-07 20:31:34,627 INFO L158 Benchmark]: Toolchain (without parser) took 12871.74ms. Allocated memory is still 100.7MB. Free memory was 76.6MB in the beginning and 61.4MB in the end (delta: 15.2MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-11-07 20:31:34,627 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:31:34,627 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.48ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 65.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:31:34,628 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.64ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 64.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:31:34,628 INFO L158 Benchmark]: Boogie Preprocessor took 26.90ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 63.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:31:34,628 INFO L158 Benchmark]: RCFGBuilder took 348.24ms. Allocated memory is still 100.7MB. Free memory was 63.3MB in the beginning and 49.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 20:31:34,628 INFO L158 Benchmark]: TraceAbstraction took 12294.30ms. Allocated memory is still 100.7MB. Free memory was 49.1MB in the beginning and 61.4MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:31:34,629 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 170.48ms. Allocated memory is still 100.7MB. Free memory was 76.4MB in the beginning and 65.7MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.64ms. Allocated memory is still 100.7MB. Free memory was 65.7MB in the beginning and 64.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.90ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 63.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 348.24ms. Allocated memory is still 100.7MB. Free memory was 63.3MB in the beginning and 49.6MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12294.30ms. Allocated memory is still 100.7MB. Free memory was 49.1MB in the beginning and 61.4MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:388) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-07 20:31:34,643 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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/geo1-ll_valuebound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:31:36,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:31:36,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-07 20:31:36,888 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:31:36,888 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:31:36,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:31:36,915 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:31:36,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:31:36,916 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:31:36,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:31:36,916 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:31:36,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:31:36,916 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:31:36,917 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 20:31:36,919 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 20:31:36,919 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:31:36,919 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:31:36,919 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:31:36,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:31:36,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:31:36,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:31:36,921 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:31:36,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:31:36,922 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 -> 0477687fecbd3170f65e2eb11926275d6b3232cae024dd47071f89d509b612eb [2024-11-07 20:31:37,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:31:37,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:31:37,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:31:37,210 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:31:37,211 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:31:37,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-07 20:31:38,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:31:38,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:31:38,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound2.c [2024-11-07 20:31:38,725 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b6435780/52e0b50aceae4321823265aef07b3ea4/FLAG4a14fd820 [2024-11-07 20:31:38,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b6435780/52e0b50aceae4321823265aef07b3ea4 [2024-11-07 20:31:38,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:31:38,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:31:38,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:31:38,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:31:38,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:31:38,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:38,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f08b629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38, skipping insertion in model container [2024-11-07 20:31:38,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:38,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:31:38,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:31:38,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:31:38,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:31:38,970 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:31:38,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38 WrapperNode [2024-11-07 20:31:38,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:31:38,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:31:38,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:31:38,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:31:38,978 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:38,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,000 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-07 20:31:39,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:31:39,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:31:39,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:31:39,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:31:39,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,016 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,028 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 20:31:39,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:31:39,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:31:39,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:31:39,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:31:39,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (1/1) ... [2024-11-07 20:31:39,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:31:39,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:31:39,088 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 20:31:39,091 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 20:31:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:31:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 20:31:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:31:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:31:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:31:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:31:39,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:31:39,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:31:39,175 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:31:39,176 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:31:43,062 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-07 20:31:43,062 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:31:43,070 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:31:43,070 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:31:43,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:43 BoogieIcfgContainer [2024-11-07 20:31:43,070 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:31:43,073 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:31:43,073 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:31:43,077 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:31:43,077 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:31:38" (1/3) ... [2024-11-07 20:31:43,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edb9479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:43, skipping insertion in model container [2024-11-07 20:31:43,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:31:38" (2/3) ... [2024-11-07 20:31:43,078 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edb9479 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:31:43, skipping insertion in model container [2024-11-07 20:31:43,078 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:31:43" (3/3) ... [2024-11-07 20:31:43,079 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound2.c [2024-11-07 20:31:43,091 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:31:43,091 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:31:43,133 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:31:43,146 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;@31190fb7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:31:43,146 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:31:43,150 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:31:43,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:31:43,155 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:43,156 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:43,156 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:43,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:43,160 INFO L85 PathProgramCache]: Analyzing trace with hash -106143586, now seen corresponding path program 1 times [2024-11-07 20:31:43,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:31:43,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320875838] [2024-11-07 20:31:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:43,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:31:43,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:31:43,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:31:43,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 20:31:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:43,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 20:31:43,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:43,287 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:31:43,287 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:31:43,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:31:43,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320875838] [2024-11-07 20:31:43,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320875838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:31:43,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:31:43,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:31:43,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149091436] [2024-11-07 20:31:43,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:43,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:31:43,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:31:43,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:31:43,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:31:43,308 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:31:43,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:43,329 INFO L93 Difference]: Finished difference Result 139 states and 165 transitions. [2024-11-07 20:31:43,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:31:43,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-07 20:31:43,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:43,335 INFO L225 Difference]: With dead ends: 139 [2024-11-07 20:31:43,335 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:31:43,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 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 20:31:43,340 INFO L432 NwaCegarLoop]: 72 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, 72 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 20:31:43,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:31:43,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:31:43,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-07 20:31:43,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 54 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:31:43,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-07 20:31:43,373 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 26 [2024-11-07 20:31:43,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:43,374 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-07 20:31:43,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:31:43,374 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-07 20:31:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:31:43,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:43,375 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:43,382 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:31:43,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:31:43,576 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 20:31:43,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:43,577 INFO L85 PathProgramCache]: Analyzing trace with hash -150034342, now seen corresponding path program 1 times [2024-11-07 20:31:43,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:31:43,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056871854] [2024-11-07 20:31:43,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:31:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:31:43,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:31:43,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 20:31:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:43,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:31:43,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:43,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:43,885 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:46,885 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:46,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:31:46,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056871854] [2024-11-07 20:31:46,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056871854] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:46,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:46,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 20:31:46,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556370046] [2024-11-07 20:31:46,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:46,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:31:46,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:31:46,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:31:46,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:31:46,889 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:48,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:52,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:00,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:06,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:10,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:14,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:18,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:22,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:23,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:27,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:34,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:32:34,487 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2024-11-07 20:32:34,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:32:34,502 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-07 20:32:34,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:32:34,503 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:32:34,503 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 20:32:34,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:32:34,503 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 2 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:32:34,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 55 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 46 Invalid, 6 Unknown, 0 Unchecked, 47.6s Time] [2024-11-07 20:32:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 20:32:34,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 20:32:34,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 55 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:32:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2024-11-07 20:32:34,510 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 26 [2024-11-07 20:32:34,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:32:34,511 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-11-07 20:32:34,511 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), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:32:34,511 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-07 20:32:34,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:32:34,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:32:34,512 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:32:34,518 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 20:32:34,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:32:34,712 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 20:32:34,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:32:34,713 INFO L85 PathProgramCache]: Analyzing trace with hash -356097255, now seen corresponding path program 1 times [2024-11-07 20:32:34,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:32:34,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2008101866] [2024-11-07 20:32:34,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:32:34,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:32:34,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:32:34,715 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:32:34,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 20:32:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:32:34,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:32:34,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:32:35,382 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:32:35,382 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:32:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:32:39,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:32:39,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2008101866] [2024-11-07 20:32:39,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2008101866] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:32:39,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:32:39,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 20:32:39,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886939784] [2024-11-07 20:32:39,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:32:39,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:32:39,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:32:39,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:32:39,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:32:39,091 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:32:43,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:46,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:53,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:59,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []