./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', 'ac7d6bbeae1af74610eb5ea0ec9cc56676532539c7535ebfdf72e0c17174815d'] 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/fermat1-ll_unwindbound100.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac7d6bbeae1af74610eb5ea0ec9cc56676532539c7535ebfdf72e0c17174815d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:24:40,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:24:40,660 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:24:40,664 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:24:40,664 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:24:40,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:24:40,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:24:40,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:24:40,683 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:24:40,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:24:40,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:24:40,684 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:24:40,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:24:40,685 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:24:40,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:24:40,686 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:24:40,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:24:40,686 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 -> ac7d6bbeae1af74610eb5ea0ec9cc56676532539c7535ebfdf72e0c17174815d [2024-11-07 20:24:40,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:24:40,887 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:24:40,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:24:40,892 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:24:40,892 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:24:40,893 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c [2024-11-07 20:24:41,997 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:24:42,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:24:42,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat1-ll_unwindbound100.c [2024-11-07 20:24:42,162 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f87fc50e/79865cfc44364893ba0f28a2f16d5db0/FLAG8b068b512 [2024-11-07 20:24:42,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3f87fc50e/79865cfc44364893ba0f28a2f16d5db0 [2024-11-07 20:24:42,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:24:42,556 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:24:42,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:24:42,557 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:24:42,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:24:42,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb84205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42, skipping insertion in model container [2024-11-07 20:24:42,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,569 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:24:42,670 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:24:42,676 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:24:42,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:24:42,705 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:24:42,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42 WrapperNode [2024-11-07 20:24:42,705 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:24:42,706 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:24:42,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:24:42,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:24:42,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,730 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 172 [2024-11-07 20:24:42,731 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:24:42,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:24:42,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:24:42,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:24:42,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,738 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,751 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 20:24:42,752 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,752 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,760 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,761 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:24:42,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:24:42,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:24:42,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:24:42,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (1/1) ... [2024-11-07 20:24:42,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:24:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:42,793 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 20:24:42,796 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 20:24:42,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:24:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:24:42,813 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:24:42,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:24:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:24:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:24:42,814 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:24:42,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:24:42,864 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:24:42,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:24:43,282 INFO L? ?]: Removed 137 outVars from TransFormulas that were not future-live. [2024-11-07 20:24:43,282 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:24:43,296 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:24:43,296 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 20:24:43,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:43 BoogieIcfgContainer [2024-11-07 20:24:43,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:24:43,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:24:43,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:24:43,301 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:24:43,301 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:24:42" (1/3) ... [2024-11-07 20:24:43,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adfe9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:43, skipping insertion in model container [2024-11-07 20:24:43,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:24:42" (2/3) ... [2024-11-07 20:24:43,302 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7adfe9d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:24:43, skipping insertion in model container [2024-11-07 20:24:43,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:24:43" (3/3) ... [2024-11-07 20:24:43,303 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat1-ll_unwindbound100.c [2024-11-07 20:24:43,311 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:24:43,311 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 98 error locations. [2024-11-07 20:24:43,349 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:24:43,358 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;@69fc75dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:24:43,358 INFO L334 AbstractCegarLoop]: Starting to check reachability of 98 error locations. [2024-11-07 20:24:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 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 20:24:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-07 20:24:43,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:43,364 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-07 20:24:43,365 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:43,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:43,367 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2024-11-07 20:24:43,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:43,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664009960] [2024-11-07 20:24:43,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:43,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:43,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:43,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:24:43,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:43,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664009960] [2024-11-07 20:24:43,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664009960] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:43,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:43,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:43,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92891959] [2024-11-07 20:24:43,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:43,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:43,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,473 INFO L87 Difference]: Start difference. First operand has 227 states, 120 states have (on average 1.9083333333333334) internal successors, (229), 218 states have internal predecessors, (229), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:43,544 INFO L93 Difference]: Finished difference Result 427 states and 471 transitions. [2024-11-07 20:24:43,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:43,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-07 20:24:43,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:43,550 INFO L225 Difference]: With dead ends: 427 [2024-11-07 20:24:43,550 INFO L226 Difference]: Without dead ends: 206 [2024-11-07 20:24:43,554 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,556 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 13 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:43,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 394 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-07 20:24:43,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2024-11-07 20:24:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 115 states have (on average 1.7739130434782608) internal successors, (204), 198 states have internal predecessors, (204), 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 20:24:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 214 transitions. [2024-11-07 20:24:43,594 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 214 transitions. Word has length 3 [2024-11-07 20:24:43,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:43,595 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 214 transitions. [2024-11-07 20:24:43,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,596 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 214 transitions. [2024-11-07 20:24:43,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:24:43,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:43,597 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:24:43,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:24:43,597 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:43,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:43,597 INFO L85 PathProgramCache]: Analyzing trace with hash 925572, now seen corresponding path program 1 times [2024-11-07 20:24:43,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:43,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140695461] [2024-11-07 20:24:43,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:43,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:43,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:24:43,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:43,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140695461] [2024-11-07 20:24:43,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140695461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:43,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:43,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:43,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041072140] [2024-11-07 20:24:43,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:43,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:43,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:43,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:43,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,630 INFO L87 Difference]: Start difference. First operand 206 states and 214 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:43,670 INFO L93 Difference]: Finished difference Result 206 states and 214 transitions. [2024-11-07 20:24:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:43,671 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-07 20:24:43,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:43,672 INFO L225 Difference]: With dead ends: 206 [2024-11-07 20:24:43,672 INFO L226 Difference]: Without dead ends: 202 [2024-11-07 20:24:43,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,673 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 12 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:43,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 381 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:43,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-07 20:24:43,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2024-11-07 20:24:43,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 115 states have (on average 1.7391304347826086) internal successors, (200), 194 states have internal predecessors, (200), 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 20:24:43,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 210 transitions. [2024-11-07 20:24:43,685 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 210 transitions. Word has length 4 [2024-11-07 20:24:43,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:43,686 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 210 transitions. [2024-11-07 20:24:43,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,686 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 210 transitions. [2024-11-07 20:24:43,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-07 20:24:43,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:43,686 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:43,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:24:43,686 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:43,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:43,687 INFO L85 PathProgramCache]: Analyzing trace with hash 87858952, now seen corresponding path program 1 times [2024-11-07 20:24:43,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:43,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539584590] [2024-11-07 20:24:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:43,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:43,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1793165320] [2024-11-07 20:24:43,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:43,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:43,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:43,699 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 20:24:43,700 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 20:24:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:43,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:24:43,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:24:43,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:43,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:43,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539584590] [2024-11-07 20:24:43,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:43,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793165320] [2024-11-07 20:24:43,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793165320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:43,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:43,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:43,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713204412] [2024-11-07 20:24:43,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:43,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:43,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:43,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:43,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,775 INFO L87 Difference]: Start difference. First operand 202 states and 210 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:43,811 INFO L93 Difference]: Finished difference Result 202 states and 210 transitions. [2024-11-07 20:24:43,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:43,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-07 20:24:43,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:43,813 INFO L225 Difference]: With dead ends: 202 [2024-11-07 20:24:43,813 INFO L226 Difference]: Without dead ends: 200 [2024-11-07 20:24:43,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:43,814 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 8 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:43,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 381 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-07 20:24:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2024-11-07 20:24:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 115 states have (on average 1.7217391304347827) internal successors, (198), 192 states have internal predecessors, (198), 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 20:24:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 208 transitions. [2024-11-07 20:24:43,826 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 208 transitions. Word has length 8 [2024-11-07 20:24:43,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:43,827 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 208 transitions. [2024-11-07 20:24:43,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:24:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 208 transitions. [2024-11-07 20:24:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:24:43,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:43,827 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:43,840 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 20:24:44,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:44,028 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:44,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:44,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1897916790, now seen corresponding path program 1 times [2024-11-07 20:24:44,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:44,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814379336] [2024-11-07 20:24:44,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:44,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [155725760] [2024-11-07 20:24:44,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:44,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:44,061 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 20:24:44,061 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 20:24:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 20:24:44,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:44,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:44,136 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:44,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814379336] [2024-11-07 20:24:44,136 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:44,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [155725760] [2024-11-07 20:24:44,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [155725760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:44,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:44,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:44,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092940851] [2024-11-07 20:24:44,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:44,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:44,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:44,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:44,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:44,138 INFO L87 Difference]: Start difference. First operand 200 states and 208 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:44,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:44,188 INFO L93 Difference]: Finished difference Result 200 states and 208 transitions. [2024-11-07 20:24:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:44,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-07 20:24:44,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:44,190 INFO L225 Difference]: With dead ends: 200 [2024-11-07 20:24:44,190 INFO L226 Difference]: Without dead ends: 198 [2024-11-07 20:24:44,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 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 20:24:44,190 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 162 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:44,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 188 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:44,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-07 20:24:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-07 20:24:44,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 115 states have (on average 1.7043478260869565) internal successors, (196), 190 states have internal predecessors, (196), 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 20:24:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 206 transitions. [2024-11-07 20:24:44,203 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 206 transitions. Word has length 25 [2024-11-07 20:24:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:44,204 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 206 transitions. [2024-11-07 20:24:44,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:44,204 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 206 transitions. [2024-11-07 20:24:44,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:24:44,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:44,204 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:44,217 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 20:24:44,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:44,405 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:44,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:44,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1294121716, now seen corresponding path program 1 times [2024-11-07 20:24:44,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:44,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152587828] [2024-11-07 20:24:44,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,632 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:44,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152587828] [2024-11-07 20:24:44,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152587828] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:44,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869441650] [2024-11-07 20:24:44,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:44,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:44,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:44,634 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 20:24:44,636 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 20:24:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:44,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:24:44,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:45,093 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:45,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:45,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869441650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:45,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:45,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 20:24:45,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992541207] [2024-11-07 20:24:45,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:45,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:24:45,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:45,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:24:45,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:24:45,095 INFO L87 Difference]: Start difference. First operand 198 states and 206 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:45,239 INFO L93 Difference]: Finished difference Result 198 states and 206 transitions. [2024-11-07 20:24:45,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:24:45,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-07 20:24:45,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:45,242 INFO L225 Difference]: With dead ends: 198 [2024-11-07 20:24:45,242 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 20:24:45,243 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:24:45,243 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 161 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 686 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:45,243 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 686 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:45,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 20:24:45,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-07 20:24:45,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 115 states have (on average 1.6869565217391305) internal successors, (194), 188 states have internal predecessors, (194), 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 20:24:45,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 204 transitions. [2024-11-07 20:24:45,256 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 204 transitions. Word has length 26 [2024-11-07 20:24:45,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:45,256 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 204 transitions. [2024-11-07 20:24:45,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,256 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 204 transitions. [2024-11-07 20:24:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:24:45,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:45,257 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:45,273 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 20:24:45,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:45,457 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:45,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:45,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1889544618, now seen corresponding path program 1 times [2024-11-07 20:24:45,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:45,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185404607] [2024-11-07 20:24:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:45,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:45,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:45,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185404607] [2024-11-07 20:24:45,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185404607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:45,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:45,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:45,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17756827] [2024-11-07 20:24:45,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:45,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:45,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:45,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:45,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:45,507 INFO L87 Difference]: Start difference. First operand 196 states and 204 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:45,540 INFO L93 Difference]: Finished difference Result 275 states and 284 transitions. [2024-11-07 20:24:45,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:45,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-07 20:24:45,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:45,542 INFO L225 Difference]: With dead ends: 275 [2024-11-07 20:24:45,542 INFO L226 Difference]: Without dead ends: 274 [2024-11-07 20:24:45,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:24:45,542 INFO L432 NwaCegarLoop]: 197 mSDtfsCounter, 84 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 567 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:45,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 567 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:45,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2024-11-07 20:24:45,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 223. [2024-11-07 20:24:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6928571428571428) internal successors, (237), 214 states have internal predecessors, (237), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 249 transitions. [2024-11-07 20:24:45,561 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 249 transitions. Word has length 28 [2024-11-07 20:24:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:45,561 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 249 transitions. [2024-11-07 20:24:45,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 249 transitions. [2024-11-07 20:24:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-07 20:24:45,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:45,561 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:45,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:24:45,562 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:45,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:45,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1553659057, now seen corresponding path program 1 times [2024-11-07 20:24:45,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:45,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296914046] [2024-11-07 20:24:45,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,614 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:45,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:45,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296914046] [2024-11-07 20:24:45,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296914046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:45,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:45,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:45,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005464063] [2024-11-07 20:24:45,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:45,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:45,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:45,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:45,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:45,616 INFO L87 Difference]: Start difference. First operand 223 states and 249 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:45,644 INFO L93 Difference]: Finished difference Result 252 states and 276 transitions. [2024-11-07 20:24:45,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:24:45,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-07 20:24:45,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:45,645 INFO L225 Difference]: With dead ends: 252 [2024-11-07 20:24:45,645 INFO L226 Difference]: Without dead ends: 223 [2024-11-07 20:24:45,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:24:45,646 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 8 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:45,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 570 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:45,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-07 20:24:45,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2024-11-07 20:24:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 140 states have (on average 1.6785714285714286) internal successors, (235), 214 states have internal predecessors, (235), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:45,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 247 transitions. [2024-11-07 20:24:45,655 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 247 transitions. Word has length 29 [2024-11-07 20:24:45,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:45,655 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 247 transitions. [2024-11-07 20:24:45,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,656 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 247 transitions. [2024-11-07 20:24:45,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:24:45,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:45,656 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:45,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:24:45,657 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:45,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:45,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1582262797, now seen corresponding path program 1 times [2024-11-07 20:24:45,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:45,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498635336] [2024-11-07 20:24:45,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:45,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:45,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498635336] [2024-11-07 20:24:45,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498635336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:45,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:45,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:45,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459668179] [2024-11-07 20:24:45,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:45,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:45,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:45,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:45,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:45,710 INFO L87 Difference]: Start difference. First operand 223 states and 247 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:45,767 INFO L93 Difference]: Finished difference Result 275 states and 301 transitions. [2024-11-07 20:24:45,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:45,768 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-07 20:24:45,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:45,769 INFO L225 Difference]: With dead ends: 275 [2024-11-07 20:24:45,770 INFO L226 Difference]: Without dead ends: 272 [2024-11-07 20:24:45,770 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:45,771 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 141 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:45,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 274 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:45,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2024-11-07 20:24:45,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 238. [2024-11-07 20:24:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 155 states have (on average 1.664516129032258) internal successors, (258), 229 states have internal predecessors, (258), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:45,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 270 transitions. [2024-11-07 20:24:45,782 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 270 transitions. Word has length 31 [2024-11-07 20:24:45,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:45,782 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 270 transitions. [2024-11-07 20:24:45,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,782 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 270 transitions. [2024-11-07 20:24:45,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:24:45,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:45,784 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:45,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:24:45,784 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:45,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:45,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1805506371, now seen corresponding path program 1 times [2024-11-07 20:24:45,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:45,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729802543] [2024-11-07 20:24:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:45,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,840 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:45,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:45,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729802543] [2024-11-07 20:24:45,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729802543] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:45,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:45,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:45,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667715918] [2024-11-07 20:24:45,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:45,841 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:45,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:45,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:45,841 INFO L87 Difference]: Start difference. First operand 238 states and 270 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:45,945 INFO L93 Difference]: Finished difference Result 278 states and 303 transitions. [2024-11-07 20:24:45,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:45,945 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-07 20:24:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:45,946 INFO L225 Difference]: With dead ends: 278 [2024-11-07 20:24:45,947 INFO L226 Difference]: Without dead ends: 275 [2024-11-07 20:24:45,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:24:45,947 INFO L432 NwaCegarLoop]: 183 mSDtfsCounter, 151 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:45,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 431 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2024-11-07 20:24:45,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 241. [2024-11-07 20:24:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 158 states have (on average 1.6455696202531647) internal successors, (260), 232 states have internal predecessors, (260), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 272 transitions. [2024-11-07 20:24:45,955 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 272 transitions. Word has length 32 [2024-11-07 20:24:45,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:45,955 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 272 transitions. [2024-11-07 20:24:45,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:45,955 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 272 transitions. [2024-11-07 20:24:45,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-07 20:24:45,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:45,956 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:45,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:24:45,956 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:45,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash -136122571, now seen corresponding path program 1 times [2024-11-07 20:24:45,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:45,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572572084] [2024-11-07 20:24:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:45,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [857836831] [2024-11-07 20:24:45,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:45,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:45,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:45,967 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 20:24:45,968 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 20:24:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:45,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 20:24:46,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:46,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:46,043 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:46,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572572084] [2024-11-07 20:24:46,044 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:46,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857836831] [2024-11-07 20:24:46,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857836831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:46,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:46,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:46,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690164158] [2024-11-07 20:24:46,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:46,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:46,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:46,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:46,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:46,045 INFO L87 Difference]: Start difference. First operand 241 states and 272 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:46,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:46,136 INFO L93 Difference]: Finished difference Result 390 states and 436 transitions. [2024-11-07 20:24:46,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:46,140 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-07 20:24:46,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:46,142 INFO L225 Difference]: With dead ends: 390 [2024-11-07 20:24:46,142 INFO L226 Difference]: Without dead ends: 387 [2024-11-07 20:24:46,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 31 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 20:24:46,143 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 139 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:46,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 361 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:46,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2024-11-07 20:24:46,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 313. [2024-11-07 20:24:46,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.669603524229075) internal successors, (379), 301 states have internal predecessors, (379), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:24:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 397 transitions. [2024-11-07 20:24:46,155 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 397 transitions. Word has length 33 [2024-11-07 20:24:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:46,156 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 397 transitions. [2024-11-07 20:24:46,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 397 transitions. [2024-11-07 20:24:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 20:24:46,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:46,159 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:46,170 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:46,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 20:24:46,359 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:46,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:46,360 INFO L85 PathProgramCache]: Analyzing trace with hash 75167679, now seen corresponding path program 1 times [2024-11-07 20:24:46,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:46,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569167234] [2024-11-07 20:24:46,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:46,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:46,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:46,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:46,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:46,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:46,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569167234] [2024-11-07 20:24:46,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569167234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:46,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987769565] [2024-11-07 20:24:46,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:46,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:46,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:46,477 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 20:24:46,481 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 20:24:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:46,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:24:46,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:46,734 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:46,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:46,871 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:46,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987769565] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:46,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:24:46,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-07 20:24:46,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866379351] [2024-11-07 20:24:46,872 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:46,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:24:46,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:46,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:24:46,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:46,874 INFO L87 Difference]: Start difference. First operand 313 states and 397 transitions. Second operand has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:47,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:47,205 INFO L93 Difference]: Finished difference Result 430 states and 471 transitions. [2024-11-07 20:24:47,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:24:47,206 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) Word has length 34 [2024-11-07 20:24:47,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:47,207 INFO L225 Difference]: With dead ends: 430 [2024-11-07 20:24:47,207 INFO L226 Difference]: Without dead ends: 427 [2024-11-07 20:24:47,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:24:47,208 INFO L432 NwaCegarLoop]: 173 mSDtfsCounter, 683 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 686 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:47,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [686 Valid, 1116 Invalid, 493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:24:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2024-11-07 20:24:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 319. [2024-11-07 20:24:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 233 states have (on average 1.648068669527897) internal successors, (384), 307 states have internal predecessors, (384), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:24:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 402 transitions. [2024-11-07 20:24:47,220 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 402 transitions. Word has length 34 [2024-11-07 20:24:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:47,220 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 402 transitions. [2024-11-07 20:24:47,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 6.0) internal successors, (78), 14 states have internal predecessors, (78), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:24:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 402 transitions. [2024-11-07 20:24:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:24:47,220 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:47,221 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:47,233 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 20:24:47,421 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:24:47,421 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:47,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:47,422 INFO L85 PathProgramCache]: Analyzing trace with hash -778301759, now seen corresponding path program 1 times [2024-11-07 20:24:47,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:47,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444752525] [2024-11-07 20:24:47,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:47,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:47,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [861926284] [2024-11-07 20:24:47,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:47,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:47,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:47,431 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 20:24:47,434 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 20:24:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:47,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:24:47,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:47,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:24:47,604 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:47,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444752525] [2024-11-07 20:24:47,691 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:47,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861926284] [2024-11-07 20:24:47,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861926284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:47,692 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:24:47,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:24:47,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078892361] [2024-11-07 20:24:47,692 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:47,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:24:47,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:47,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:24:47,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:24:47,693 INFO L87 Difference]: Start difference. First operand 319 states and 402 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:24:50,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:50,153 INFO L93 Difference]: Finished difference Result 499 states and 616 transitions. [2024-11-07 20:24:50,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:24:50,153 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 36 [2024-11-07 20:24:50,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:50,155 INFO L225 Difference]: With dead ends: 499 [2024-11-07 20:24:50,155 INFO L226 Difference]: Without dead ends: 472 [2024-11-07 20:24:50,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:24:50,155 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 428 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 432 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:50,155 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [432 Valid, 520 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-07 20:24:50,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 472 states. [2024-11-07 20:24:50,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 472 to 438. [2024-11-07 20:24:50,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 349 states have (on average 1.5501432664756447) internal successors, (541), 423 states have internal predecessors, (541), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:24:50,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 565 transitions. [2024-11-07 20:24:50,171 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 565 transitions. Word has length 36 [2024-11-07 20:24:50,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:50,172 INFO L471 AbstractCegarLoop]: Abstraction has 438 states and 565 transitions. [2024-11-07 20:24:50,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:24:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 565 transitions. [2024-11-07 20:24:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:24:50,172 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:50,172 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:24:50,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:50,373 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,SelfDestructingSolverStorable11 [2024-11-07 20:24:50,373 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:50,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:50,373 INFO L85 PathProgramCache]: Analyzing trace with hash -623678013, now seen corresponding path program 1 times [2024-11-07 20:24:50,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:50,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298813729] [2024-11-07 20:24:50,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:24:50,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [878171205] [2024-11-07 20:24:50,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:50,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:50,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:50,383 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 20:24:50,383 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 20:24:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:24:50,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:50,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:50,427 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:24:50,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:50,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298813729] [2024-11-07 20:24:50,427 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:24:50,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878171205] [2024-11-07 20:24:50,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878171205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:50,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:50,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:24:50,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630391130] [2024-11-07 20:24:50,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:50,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:24:50,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:50,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:24:50,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:24:50,429 INFO L87 Difference]: Start difference. First operand 438 states and 565 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:50,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:50,580 INFO L93 Difference]: Finished difference Result 630 states and 798 transitions. [2024-11-07 20:24:50,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:24:50,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 38 [2024-11-07 20:24:50,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:50,582 INFO L225 Difference]: With dead ends: 630 [2024-11-07 20:24:50,582 INFO L226 Difference]: Without dead ends: 589 [2024-11-07 20:24:50,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 36 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 20:24:50,582 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 117 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:50,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 279 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:50,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2024-11-07 20:24:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 557. [2024-11-07 20:24:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 465 states have (on average 1.4903225806451612) internal successors, (693), 539 states have internal predecessors, (693), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:24:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 723 transitions. [2024-11-07 20:24:50,599 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 723 transitions. Word has length 38 [2024-11-07 20:24:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:50,600 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 723 transitions. [2024-11-07 20:24:50,600 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:24:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 723 transitions. [2024-11-07 20:24:50,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:24:50,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:50,600 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:50,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:24:50,804 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 20:24:50,805 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:50,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:50,805 INFO L85 PathProgramCache]: Analyzing trace with hash 321396954, now seen corresponding path program 1 times [2024-11-07 20:24:50,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:50,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284912315] [2024-11-07 20:24:50,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:50,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:50,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:50,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284912315] [2024-11-07 20:24:50,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284912315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:50,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:50,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:24:50,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409471229] [2024-11-07 20:24:50,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:50,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:24:50,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:50,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:24:50,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:24:50,861 INFO L87 Difference]: Start difference. First operand 557 states and 723 transitions. Second operand has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:24:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:50,928 INFO L93 Difference]: Finished difference Result 645 states and 824 transitions. [2024-11-07 20:24:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:24:50,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56 [2024-11-07 20:24:50,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:50,931 INFO L225 Difference]: With dead ends: 645 [2024-11-07 20:24:50,931 INFO L226 Difference]: Without dead ends: 644 [2024-11-07 20:24:50,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:24:50,932 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 63 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:50,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 940 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:50,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2024-11-07 20:24:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 618. [2024-11-07 20:24:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.4780114722753346) internal successors, (773), 596 states have internal predecessors, (773), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:50,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 807 transitions. [2024-11-07 20:24:50,950 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 807 transitions. Word has length 56 [2024-11-07 20:24:50,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:50,951 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 807 transitions. [2024-11-07 20:24:50,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.4) internal successors, (47), 6 states have internal predecessors, (47), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:24:50,951 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 807 transitions. [2024-11-07 20:24:50,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 20:24:50,951 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:50,951 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:50,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 20:24:50,952 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:50,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1373371109, now seen corresponding path program 1 times [2024-11-07 20:24:50,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:50,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528805106] [2024-11-07 20:24:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:50,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:51,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:51,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528805106] [2024-11-07 20:24:51,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528805106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:51,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:51,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:24:51,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688946697] [2024-11-07 20:24:51,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:51,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:24:51,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:51,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:24:51,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:24:51,007 INFO L87 Difference]: Start difference. First operand 618 states and 807 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:24:51,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:51,063 INFO L93 Difference]: Finished difference Result 1126 states and 1480 transitions. [2024-11-07 20:24:51,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:24:51,064 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-07 20:24:51,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:51,065 INFO L225 Difference]: With dead ends: 1126 [2024-11-07 20:24:51,066 INFO L226 Difference]: Without dead ends: 618 [2024-11-07 20:24:51,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:24:51,067 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 20 mSDsluCounter, 580 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 776 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:51,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 776 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:51,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2024-11-07 20:24:51,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 618. [2024-11-07 20:24:51,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.474187380497132) internal successors, (771), 596 states have internal predecessors, (771), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:51,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 805 transitions. [2024-11-07 20:24:51,088 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 805 transitions. Word has length 57 [2024-11-07 20:24:51,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:51,088 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 805 transitions. [2024-11-07 20:24:51,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:24:51,089 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 805 transitions. [2024-11-07 20:24:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 20:24:51,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:51,090 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:51,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:24:51,091 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:51,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:51,091 INFO L85 PathProgramCache]: Analyzing trace with hash 1510040064, now seen corresponding path program 1 times [2024-11-07 20:24:51,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:51,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000012114] [2024-11-07 20:24:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:51,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:51,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:51,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:51,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:51,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000012114] [2024-11-07 20:24:51,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000012114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:51,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:51,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:24:51,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029923018] [2024-11-07 20:24:51,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:51,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:24:51,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:51,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:24:51,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:24:51,168 INFO L87 Difference]: Start difference. First operand 618 states and 805 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:51,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:51,385 INFO L93 Difference]: Finished difference Result 651 states and 806 transitions. [2024-11-07 20:24:51,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:24:51,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 83 [2024-11-07 20:24:51,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:51,387 INFO L225 Difference]: With dead ends: 651 [2024-11-07 20:24:51,387 INFO L226 Difference]: Without dead ends: 650 [2024-11-07 20:24:51,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 20:24:51,388 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 82 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:51,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 380 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:24:51,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2024-11-07 20:24:51,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 618. [2024-11-07 20:24:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.468451242829828) internal successors, (768), 596 states have internal predecessors, (768), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 802 transitions. [2024-11-07 20:24:51,406 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 802 transitions. Word has length 83 [2024-11-07 20:24:51,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:51,407 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 802 transitions. [2024-11-07 20:24:51,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 802 transitions. [2024-11-07 20:24:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 20:24:51,408 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:51,408 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:51,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 20:24:51,408 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:51,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:51,408 INFO L85 PathProgramCache]: Analyzing trace with hash -433398094, now seen corresponding path program 1 times [2024-11-07 20:24:51,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:51,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790660107] [2024-11-07 20:24:51,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:51,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:51,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:51,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790660107] [2024-11-07 20:24:51,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790660107] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:51,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:51,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:24:51,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879009509] [2024-11-07 20:24:51,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:51,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:24:51,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:51,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:24:51,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:24:51,483 INFO L87 Difference]: Start difference. First operand 618 states and 802 transitions. Second operand has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:51,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:51,795 INFO L93 Difference]: Finished difference Result 665 states and 824 transitions. [2024-11-07 20:24:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:24:51,796 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 84 [2024-11-07 20:24:51,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:51,797 INFO L225 Difference]: With dead ends: 665 [2024-11-07 20:24:51,798 INFO L226 Difference]: Without dead ends: 664 [2024-11-07 20:24:51,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:24:51,798 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 461 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:51,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 319 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:24:51,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 664 states. [2024-11-07 20:24:51,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 664 to 618. [2024-11-07 20:24:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 523 states have (on average 1.462715105162524) internal successors, (765), 596 states have internal predecessors, (765), 17 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:51,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 799 transitions. [2024-11-07 20:24:51,816 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 799 transitions. Word has length 84 [2024-11-07 20:24:51,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:51,816 INFO L471 AbstractCegarLoop]: Abstraction has 618 states and 799 transitions. [2024-11-07 20:24:51,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.5) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:24:51,816 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 799 transitions. [2024-11-07 20:24:51,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 20:24:51,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:51,817 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:51,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 20:24:51,817 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:51,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:51,817 INFO L85 PathProgramCache]: Analyzing trace with hash -433399600, now seen corresponding path program 1 times [2024-11-07 20:24:51,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:51,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176906008] [2024-11-07 20:24:51,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:51,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:51,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:51,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176906008] [2024-11-07 20:24:51,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1176906008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:51,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:51,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:24:51,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899179671] [2024-11-07 20:24:51,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:51,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:24:51,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:51,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:24:51,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:24:51,901 INFO L87 Difference]: Start difference. First operand 618 states and 799 transitions. Second operand has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:24:51,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:51,998 INFO L93 Difference]: Finished difference Result 623 states and 802 transitions. [2024-11-07 20:24:51,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:24:51,999 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 84 [2024-11-07 20:24:51,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:52,001 INFO L225 Difference]: With dead ends: 623 [2024-11-07 20:24:52,001 INFO L226 Difference]: Without dead ends: 620 [2024-11-07 20:24:52,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:52,001 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 229 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:52,002 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 825 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:52,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-07 20:24:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 619. [2024-11-07 20:24:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 619 states, 526 states have (on average 1.4220532319391634) internal successors, (748), 596 states have internal predecessors, (748), 17 states have call successors, (17), 5 states have call predecessors, (17), 5 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:52,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 782 transitions. [2024-11-07 20:24:52,025 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 782 transitions. Word has length 84 [2024-11-07 20:24:52,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:52,025 INFO L471 AbstractCegarLoop]: Abstraction has 619 states and 782 transitions. [2024-11-07 20:24:52,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.0) internal successors, (70), 8 states have internal predecessors, (70), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:24:52,026 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 782 transitions. [2024-11-07 20:24:52,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 20:24:52,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:52,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:52,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 20:24:52,026 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:52,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:52,027 INFO L85 PathProgramCache]: Analyzing trace with hash -550485519, now seen corresponding path program 1 times [2024-11-07 20:24:52,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048197730] [2024-11-07 20:24:52,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:52,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:52,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:52,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:52,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048197730] [2024-11-07 20:24:52,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048197730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:24:52,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:24:52,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:24:52,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847297496] [2024-11-07 20:24:52,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:24:52,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:24:52,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:24:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:24:52,099 INFO L87 Difference]: Start difference. First operand 619 states and 782 transitions. Second operand has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:24:52,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:52,178 INFO L93 Difference]: Finished difference Result 1140 states and 1447 transitions. [2024-11-07 20:24:52,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:24:52,178 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 85 [2024-11-07 20:24:52,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:52,180 INFO L225 Difference]: With dead ends: 1140 [2024-11-07 20:24:52,180 INFO L226 Difference]: Without dead ends: 631 [2024-11-07 20:24:52,181 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:24:52,181 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 45 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:52,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 969 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:24:52,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2024-11-07 20:24:52,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 627. [2024-11-07 20:24:52,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 627 states, 533 states have (on average 1.4165103189493433) internal successors, (755), 603 states have internal predecessors, (755), 17 states have call successors, (17), 6 states have call predecessors, (17), 6 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-07 20:24:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 789 transitions. [2024-11-07 20:24:52,199 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 789 transitions. Word has length 85 [2024-11-07 20:24:52,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:52,200 INFO L471 AbstractCegarLoop]: Abstraction has 627 states and 789 transitions. [2024-11-07 20:24:52,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.142857142857142) internal successors, (71), 8 states have internal predecessors, (71), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:24:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 789 transitions. [2024-11-07 20:24:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 20:24:52,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:52,200 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:52,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:24:52,201 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:52,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:52,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1911267369, now seen corresponding path program 1 times [2024-11-07 20:24:52,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:52,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822297473] [2024-11-07 20:24:52,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:52,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:52,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,281 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:52,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822297473] [2024-11-07 20:24:52,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822297473] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:52,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [772808464] [2024-11-07 20:24:52,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:52,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:52,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:52,283 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 20:24:52,284 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 20:24:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:24:52,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:52,408 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:24:52,408 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:52,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:52,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [772808464] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:52,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:24:52,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2024-11-07 20:24:52,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394520233] [2024-11-07 20:24:52,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:52,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:24:52,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:52,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:24:52,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:52,526 INFO L87 Difference]: Start difference. First operand 627 states and 789 transitions. Second operand has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:24:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:52,656 INFO L93 Difference]: Finished difference Result 1051 states and 1298 transitions. [2024-11-07 20:24:52,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 20:24:52,656 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 89 [2024-11-07 20:24:52,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:52,658 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 20:24:52,658 INFO L226 Difference]: Without dead ends: 733 [2024-11-07 20:24:52,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=142, Invalid=364, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:24:52,659 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 95 mSDsluCounter, 1197 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 1388 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:52,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 1388 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:24:52,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 733 states. [2024-11-07 20:24:52,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 733 to 694. [2024-11-07 20:24:52,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 596 states have (on average 1.424496644295302) internal successors, (849), 666 states have internal predecessors, (849), 19 states have call successors, (19), 8 states have call predecessors, (19), 8 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:24:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 887 transitions. [2024-11-07 20:24:52,687 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 887 transitions. Word has length 89 [2024-11-07 20:24:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:52,688 INFO L471 AbstractCegarLoop]: Abstraction has 694 states and 887 transitions. [2024-11-07 20:24:52,688 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.76923076923077) internal successors, (153), 14 states have internal predecessors, (153), 6 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:24:52,688 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 887 transitions. [2024-11-07 20:24:52,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 20:24:52,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:52,688 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:52,700 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:24:52,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:52,893 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:52,893 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:52,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1518056853, now seen corresponding path program 1 times [2024-11-07 20:24:52,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:52,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908809135] [2024-11-07 20:24:52,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:52,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:52,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:52,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:52,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:52,988 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:52,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:52,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908809135] [2024-11-07 20:24:52,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1908809135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:52,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1879013687] [2024-11-07 20:24:52,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:52,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:52,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:52,990 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 20:24:52,991 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 20:24:53,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:53,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:24:53,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:24:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:53,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:24:53,311 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:53,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1879013687] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:24:53,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:24:53,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-07 20:24:53,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133268213] [2024-11-07 20:24:53,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:24:53,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:24:53,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:24:53,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:24:53,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:24:53,312 INFO L87 Difference]: Start difference. First operand 694 states and 887 transitions. Second operand has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:24:54,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:24:54,293 INFO L93 Difference]: Finished difference Result 1855 states and 2321 transitions. [2024-11-07 20:24:54,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 20:24:54,294 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 91 [2024-11-07 20:24:54,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:24:54,297 INFO L225 Difference]: With dead ends: 1855 [2024-11-07 20:24:54,297 INFO L226 Difference]: Without dead ends: 1346 [2024-11-07 20:24:54,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:24:54,298 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 1744 mSDsluCounter, 849 mSDsCounter, 0 mSdLazyCounter, 1503 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 1027 SdHoareTripleChecker+Invalid, 1572 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:24:54,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 1027 Invalid, 1572 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1503 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:24:54,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1346 states. [2024-11-07 20:24:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1346 to 1011. [2024-11-07 20:24:54,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1011 states, 903 states have (on average 1.415282392026578) internal successors, (1278), 972 states have internal predecessors, (1278), 30 states have call successors, (30), 8 states have call predecessors, (30), 8 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-07 20:24:54,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1011 states to 1011 states and 1338 transitions. [2024-11-07 20:24:54,329 INFO L78 Accepts]: Start accepts. Automaton has 1011 states and 1338 transitions. Word has length 91 [2024-11-07 20:24:54,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:24:54,329 INFO L471 AbstractCegarLoop]: Abstraction has 1011 states and 1338 transitions. [2024-11-07 20:24:54,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 14 states have internal predecessors, (207), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-11-07 20:24:54,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1338 transitions. [2024-11-07 20:24:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-07 20:24:54,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:24:54,330 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:24:54,342 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:24:54,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:54,531 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 95 more)] === [2024-11-07 20:24:54,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:24:54,531 INFO L85 PathProgramCache]: Analyzing trace with hash 184877949, now seen corresponding path program 1 times [2024-11-07 20:24:54,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:24:54,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009814089] [2024-11-07 20:24:54,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:24:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:24:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:24:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 20:24:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-07 20:24:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:24:54,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:24:54,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009814089] [2024-11-07 20:24:54,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009814089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:24:54,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494748151] [2024-11-07 20:24:54,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:24:54,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:24:54,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:24:54,613 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 20:24:54,614 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 20:24:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:24:54,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:24:54,656 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:25:01,758 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_44| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_44| |v_ULTIMATE.start_main_~R~0#1_44|))) (and (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0) (<= .cse0 9223372036854775807)))) is different from true [2024-11-07 20:25:01,791 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 6 not checked. [2024-11-07 20:25:01,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:25:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:25:05,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494748151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:25:05,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:25:05,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-07 20:25:05,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985446879] [2024-11-07 20:25:05,915 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:25:05,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:25:05,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:25:05,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:25:05,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=4, NotChecked=22, Total=182 [2024-11-07 20:25:05,916 INFO L87 Difference]: Start difference. First operand 1011 states and 1338 transitions. Second operand has 14 states, 13 states have (on average 15.384615384615385) internal successors, (200), 14 states have internal predecessors, (200), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:25:10,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:35,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:36,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:40,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:44,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:45,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:46,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:50,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:51,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:52,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:55,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:25:59,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:03,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:08,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:11,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:12,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:16,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:20,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:22,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:23,154 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:24,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:26:25,658 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]