./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.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/mannadiv_valuebound5.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', '4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067'] 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/mannadiv_valuebound5.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 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:40:08,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:40:08,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:40:08,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:40:08,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:40:08,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:40:08,592 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:40:08,592 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:40:08,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:40:08,593 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:40:08,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:40:08,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:40:08,597 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:40:08,597 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:40:08,597 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:40:08,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:40:08,598 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:40:08,599 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:40:08,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:40:08,600 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:40:08,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:40:08,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:40:08,601 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:40:08,601 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:40:08,601 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:40:08,601 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 -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-07 20:40:08,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:40:08,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:40:08,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:40:08,907 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:40:08,907 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:40:08,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2024-11-07 20:40:10,171 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:40:10,409 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:40:10,411 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2024-11-07 20:40:10,424 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cad70029d/302044e66e0146b0b7e5f064054abc9e/FLAG454f8ada3 [2024-11-07 20:40:10,753 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/cad70029d/302044e66e0146b0b7e5f064054abc9e [2024-11-07 20:40:10,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:40:10,757 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:40:10,758 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:40:10,758 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:40:10,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:40:10,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39e8b6ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10, skipping insertion in model container [2024-11-07 20:40:10,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:40:10,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:40:10,899 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:40:10,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:40:10,924 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:40:10,925 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10 WrapperNode [2024-11-07 20:40:10,925 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:40:10,926 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:40:10,926 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:40:10,926 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:40:10,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,951 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-11-07 20:40:10,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:40:10,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:40:10,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:40:10,952 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:40:10,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,975 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 20:40:10,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,985 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:40:10,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:40:10,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:40:10,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:40:10,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (1/1) ... [2024-11-07 20:40:10,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:40:11,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:11,024 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 20:40:11,027 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 20:40:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:40:11,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:40:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:40:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:40:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:40:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:40:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:40:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:40:11,098 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:40:11,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:40:11,253 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-07 20:40:11,254 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:40:11,262 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:40:11,263 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:40:11,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:40:11 BoogieIcfgContainer [2024-11-07 20:40:11,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:40:11,265 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:40:11,266 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:40:11,270 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:40:11,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:40:10" (1/3) ... [2024-11-07 20:40:11,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e0a26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:40:11, skipping insertion in model container [2024-11-07 20:40:11,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:40:10" (2/3) ... [2024-11-07 20:40:11,271 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e0a26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:40:11, skipping insertion in model container [2024-11-07 20:40:11,271 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:40:11" (3/3) ... [2024-11-07 20:40:11,272 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound5.c [2024-11-07 20:40:11,285 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:40:11,285 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-07 20:40:11,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:40:11,334 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;@5b08e035, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:40:11,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-07 20:40:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:40:11,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:40:11,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:11,345 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:11,346 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:11,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:11,350 INFO L85 PathProgramCache]: Analyzing trace with hash 848903376, now seen corresponding path program 1 times [2024-11-07 20:40:11,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:11,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25481678] [2024-11-07 20:40:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:11,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,494 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 20:40:11,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:11,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25481678] [2024-11-07 20:40:11,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25481678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:11,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:11,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:40:11,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185923971] [2024-11-07 20:40:11,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:11,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:40:11,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:11,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:40:11,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:40:11,520 INFO L87 Difference]: Start difference. First operand has 64 states, 37 states have (on average 1.7027027027027026) internal successors, (63), 57 states have internal predecessors, (63), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:40:11,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:11,538 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2024-11-07 20:40:11,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:40:11,539 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 15 [2024-11-07 20:40:11,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:11,543 INFO L225 Difference]: With dead ends: 124 [2024-11-07 20:40:11,543 INFO L226 Difference]: Without dead ends: 57 [2024-11-07 20:40:11,546 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:40:11,548 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:11,549 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:40:11,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-07 20:40:11,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-07 20:40:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 32 states have (on average 1.65625) internal successors, (53), 51 states have internal predecessors, (53), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:40:11,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 59 transitions. [2024-11-07 20:40:11,579 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 59 transitions. Word has length 15 [2024-11-07 20:40:11,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:11,582 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 59 transitions. [2024-11-07 20:40:11,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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 20:40:11,582 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2024-11-07 20:40:11,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:40:11,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:11,584 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:11,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:40:11,584 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:11,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:11,585 INFO L85 PathProgramCache]: Analyzing trace with hash 848903391, now seen corresponding path program 1 times [2024-11-07 20:40:11,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:11,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680356904] [2024-11-07 20:40:11,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:11,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:11,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289457952] [2024-11-07 20:40:11,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:11,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:11,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:11,616 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 20:40:11,617 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 20:40:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:11,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:40:11,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:11,700 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 20:40:11,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:11,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:11,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680356904] [2024-11-07 20:40:11,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:11,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289457952] [2024-11-07 20:40:11,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289457952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:11,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:11,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:40:11,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840813789] [2024-11-07 20:40:11,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:11,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:40:11,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:11,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:40:11,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:40:11,707 INFO L87 Difference]: Start difference. First operand 57 states and 59 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 20:40:11,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:11,796 INFO L93 Difference]: Finished difference Result 91 states and 101 transitions. [2024-11-07 20:40:11,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:40:11,797 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), 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 15 [2024-11-07 20:40:11,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:11,798 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:40:11,798 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 20:40:11,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 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 20:40:11,799 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:11,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:11,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 20:40:11,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 77. [2024-11-07 20:40:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 70 states have internal predecessors, (84), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:40:11,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2024-11-07 20:40:11,813 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 15 [2024-11-07 20:40:11,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:11,814 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2024-11-07 20:40:11,814 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), 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 20:40:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2024-11-07 20:40:11,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-07 20:40:11,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:11,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:11,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:12,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:12,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:12,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:12,017 INFO L85 PathProgramCache]: Analyzing trace with hash -247625951, now seen corresponding path program 1 times [2024-11-07 20:40:12,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:12,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683400419] [2024-11-07 20:40:12,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:12,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,135 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 20:40:12,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:12,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683400419] [2024-11-07 20:40:12,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683400419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:12,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:12,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:12,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771420585] [2024-11-07 20:40:12,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:12,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:12,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:12,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:12,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:12,138 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (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 20:40:12,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:12,404 INFO L93 Difference]: Finished difference Result 121 states and 153 transitions. [2024-11-07 20:40:12,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:12,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (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 17 [2024-11-07 20:40:12,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:12,406 INFO L225 Difference]: With dead ends: 121 [2024-11-07 20:40:12,408 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:40:12,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:40:12,409 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 21 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:12,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 94 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:12,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:40:12,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 110. [2024-11-07 20:40:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 101 states have internal predecessors, (128), 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 20:40:12,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 140 transitions. [2024-11-07 20:40:12,431 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 140 transitions. Word has length 17 [2024-11-07 20:40:12,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:12,431 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 140 transitions. [2024-11-07 20:40:12,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (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 20:40:12,433 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 140 transitions. [2024-11-07 20:40:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-07 20:40:12,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:12,433 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:12,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:40:12,433 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:12,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:12,434 INFO L85 PathProgramCache]: Analyzing trace with hash 913530163, now seen corresponding path program 1 times [2024-11-07 20:40:12,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:12,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34418467] [2024-11-07 20:40:12,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:12,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:12,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:12,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,573 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 20:40:12,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:12,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34418467] [2024-11-07 20:40:12,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34418467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:12,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:12,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:12,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646656745] [2024-11-07 20:40:12,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:12,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:12,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:12,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:12,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:12,575 INFO L87 Difference]: Start difference. First operand 110 states and 140 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:40:12,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:12,715 INFO L93 Difference]: Finished difference Result 116 states and 141 transitions. [2024-11-07 20:40:12,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:12,716 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 18 [2024-11-07 20:40:12,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:12,717 INFO L225 Difference]: With dead ends: 116 [2024-11-07 20:40:12,717 INFO L226 Difference]: Without dead ends: 107 [2024-11-07 20:40:12,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:40:12,718 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 32 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:12,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 78 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-07 20:40:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-11-07 20:40:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5324675324675325) internal successors, (118), 96 states have internal predecessors, (118), 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 20:40:12,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 130 transitions. [2024-11-07 20:40:12,727 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 130 transitions. Word has length 18 [2024-11-07 20:40:12,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:12,727 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 130 transitions. [2024-11-07 20:40:12,727 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 20:40:12,727 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 130 transitions. [2024-11-07 20:40:12,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:40:12,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:12,728 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:12,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:40:12,728 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:12,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:12,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1745335965, now seen corresponding path program 1 times [2024-11-07 20:40:12,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:12,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788834763] [2024-11-07 20:40:12,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:12,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,914 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 20:40:12,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:12,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788834763] [2024-11-07 20:40:12,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788834763] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:12,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693799464] [2024-11-07 20:40:12,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:12,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:12,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:12,918 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 20:40:12,920 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 20:40:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:12,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:12,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:13,069 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 20:40:13,070 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:13,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693799464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:13,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:13,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:40:13,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089464917] [2024-11-07 20:40:13,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:13,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:13,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:13,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:13,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:13,071 INFO L87 Difference]: Start difference. First operand 105 states and 130 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:40:13,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:13,202 INFO L93 Difference]: Finished difference Result 108 states and 134 transitions. [2024-11-07 20:40:13,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:13,203 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 19 [2024-11-07 20:40:13,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:13,205 INFO L225 Difference]: With dead ends: 108 [2024-11-07 20:40:13,205 INFO L226 Difference]: Without dead ends: 107 [2024-11-07 20:40:13,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:40:13,208 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 72 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:13,209 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 64 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:13,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-07 20:40:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-11-07 20:40:13,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 96 states have internal predecessors, (117), 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 20:40:13,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 129 transitions. [2024-11-07 20:40:13,227 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 129 transitions. Word has length 19 [2024-11-07 20:40:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:13,227 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 129 transitions. [2024-11-07 20:40:13,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 20:40:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 129 transitions. [2024-11-07 20:40:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-07 20:40:13,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:13,231 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:13,247 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 20:40:13,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:13,432 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:13,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:13,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1729159989, now seen corresponding path program 1 times [2024-11-07 20:40:13,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:13,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295074185] [2024-11-07 20:40:13,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:13,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:13,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1439390819] [2024-11-07 20:40:13,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:13,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:13,445 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 20:40:13,447 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 20:40:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:13,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:13,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:13,566 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 20:40:13,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:13,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:13,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295074185] [2024-11-07 20:40:13,567 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:13,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439390819] [2024-11-07 20:40:13,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439390819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:13,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:13,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:13,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790941915] [2024-11-07 20:40:13,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:13,568 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:13,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:13,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:13,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:13,569 INFO L87 Difference]: Start difference. First operand 105 states and 129 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:40:13,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:13,663 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2024-11-07 20:40:13,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:13,664 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20 [2024-11-07 20:40:13,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:13,665 INFO L225 Difference]: With dead ends: 106 [2024-11-07 20:40:13,665 INFO L226 Difference]: Without dead ends: 105 [2024-11-07 20:40:13,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 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 20:40:13,667 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 65 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:13,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 69 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:13,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-07 20:40:13,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-07 20:40:13,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 77 states have (on average 1.5064935064935066) internal successors, (116), 96 states have internal predecessors, (116), 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 20:40:13,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 128 transitions. [2024-11-07 20:40:13,684 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 128 transitions. Word has length 20 [2024-11-07 20:40:13,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:13,684 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 128 transitions. [2024-11-07 20:40:13,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:40:13,685 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2024-11-07 20:40:13,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:40:13,686 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:13,686 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 20:40:13,702 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-07 20:40:13,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:13,891 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:13,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:13,891 INFO L85 PathProgramCache]: Analyzing trace with hash -1247141175, now seen corresponding path program 1 times [2024-11-07 20:40:13,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:13,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862419723] [2024-11-07 20:40:13,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:13,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:14,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,043 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 20:40:14,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:14,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862419723] [2024-11-07 20:40:14,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862419723] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:14,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [17883155] [2024-11-07 20:40:14,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:14,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:14,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:14,047 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 20:40:14,048 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 20:40:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:40:14,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:14,134 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 20:40:14,135 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:14,230 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 20:40:14,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [17883155] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:14,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:14,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-07 20:40:14,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048394843] [2024-11-07 20:40:14,230 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:14,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:40:14,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:14,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:40:14,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:14,232 INFO L87 Difference]: Start difference. First operand 105 states and 128 transitions. Second operand has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:14,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:14,332 INFO L93 Difference]: Finished difference Result 158 states and 195 transitions. [2024-11-07 20:40:14,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:40:14,333 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 32 [2024-11-07 20:40:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:14,334 INFO L225 Difference]: With dead ends: 158 [2024-11-07 20:40:14,334 INFO L226 Difference]: Without dead ends: 156 [2024-11-07 20:40:14,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:14,335 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 216 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:14,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [217 Valid, 210 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:14,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-07 20:40:14,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 146. [2024-11-07 20:40:14,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 116 states have (on average 1.5) internal successors, (174), 135 states have internal predecessors, (174), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:40:14,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 190 transitions. [2024-11-07 20:40:14,352 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 190 transitions. Word has length 32 [2024-11-07 20:40:14,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:14,352 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 190 transitions. [2024-11-07 20:40:14,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.375) internal successors, (43), 7 states have internal predecessors, (43), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 190 transitions. [2024-11-07 20:40:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-07 20:40:14,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:14,353 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 20:40:14,367 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 20:40:14,557 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,SelfDestructingSolverStorable6 [2024-11-07 20:40:14,558 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:14,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:14,558 INFO L85 PathProgramCache]: Analyzing trace with hash -6670674, now seen corresponding path program 1 times [2024-11-07 20:40:14,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:14,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301898814] [2024-11-07 20:40:14,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:14,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,640 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 20:40:14,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:14,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301898814] [2024-11-07 20:40:14,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301898814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:14,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:14,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:14,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215555313] [2024-11-07 20:40:14,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:14,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:14,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:14,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:14,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:14,642 INFO L87 Difference]: Start difference. First operand 146 states and 190 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:40:14,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:14,681 INFO L93 Difference]: Finished difference Result 146 states and 190 transitions. [2024-11-07 20:40:14,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:14,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 33 [2024-11-07 20:40:14,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:14,682 INFO L225 Difference]: With dead ends: 146 [2024-11-07 20:40:14,683 INFO L226 Difference]: Without dead ends: 144 [2024-11-07 20:40:14,683 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 20:40:14,683 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 57 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:14,684 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:40:14,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-07 20:40:14,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2024-11-07 20:40:14,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 116 states have (on average 1.456896551724138) internal successors, (169), 133 states have internal predecessors, (169), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:40:14,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2024-11-07 20:40:14,698 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 33 [2024-11-07 20:40:14,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:14,699 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2024-11-07 20:40:14,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 20:40:14,699 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2024-11-07 20:40:14,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:40:14,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:14,700 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:14,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:40:14,701 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:14,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:14,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1598481830, now seen corresponding path program 1 times [2024-11-07 20:40:14,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:14,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041205652] [2024-11-07 20:40:14,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:14,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:14,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [839714284] [2024-11-07 20:40:14,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:14,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:14,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:14,721 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 20:40:14,736 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 20:40:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:14,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:14,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:14,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:14,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:15,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041205652] [2024-11-07 20:40:15,104 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839714284] [2024-11-07 20:40:15,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839714284] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:15,104 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:15,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:40:15,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333461309] [2024-11-07 20:40:15,105 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:15,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:40:15,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:15,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:40:15,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:15,107 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 20:40:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:15,228 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2024-11-07 20:40:15,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:40:15,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 35 [2024-11-07 20:40:15,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:15,230 INFO L225 Difference]: With dead ends: 151 [2024-11-07 20:40:15,230 INFO L226 Difference]: Without dead ends: 144 [2024-11-07 20:40:15,231 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:40:15,231 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 72 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:15,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 49 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:15,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-07 20:40:15,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 140. [2024-11-07 20:40:15,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 129 states have internal predecessors, (157), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:40:15,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 173 transitions. [2024-11-07 20:40:15,243 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 173 transitions. Word has length 35 [2024-11-07 20:40:15,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:15,243 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 173 transitions. [2024-11-07 20:40:15,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 20:40:15,244 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 173 transitions. [2024-11-07 20:40:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:40:15,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:15,245 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:15,262 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:15,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:15,446 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:15,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:15,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1986670774, now seen corresponding path program 1 times [2024-11-07 20:40:15,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:15,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489406903] [2024-11-07 20:40:15,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:15,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:15,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1356931903] [2024-11-07 20:40:15,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:15,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:15,461 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 20:40:15,463 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 20:40:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:15,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:15,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:15,655 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:15,656 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:16,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489406903] [2024-11-07 20:40:16,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:16,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1356931903] [2024-11-07 20:40:16,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1356931903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:16,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:16,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:40:16,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669190424] [2024-11-07 20:40:16,036 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:16,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:40:16,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:16,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:40:16,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:16,038 INFO L87 Difference]: Start difference. First operand 140 states and 173 transitions. Second operand has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 20:40:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:16,186 INFO L93 Difference]: Finished difference Result 188 states and 231 transitions. [2024-11-07 20:40:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:40:16,186 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 36 [2024-11-07 20:40:16,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:16,187 INFO L225 Difference]: With dead ends: 188 [2024-11-07 20:40:16,187 INFO L226 Difference]: Without dead ends: 185 [2024-11-07 20:40:16,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:16,188 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 97 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:16,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 89 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:16,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-11-07 20:40:16,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 177. [2024-11-07 20:40:16,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 152 states have (on average 1.3289473684210527) internal successors, (202), 164 states have internal predecessors, (202), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:40:16,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 222 transitions. [2024-11-07 20:40:16,198 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 222 transitions. Word has length 36 [2024-11-07 20:40:16,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:16,198 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 222 transitions. [2024-11-07 20:40:16,198 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 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 20:40:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 222 transitions. [2024-11-07 20:40:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 20:40:16,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:16,199 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] [2024-11-07 20:40:16,215 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 20:40:16,400 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,SelfDestructingSolverStorable9 [2024-11-07 20:40:16,400 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:16,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:16,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1523064142, now seen corresponding path program 1 times [2024-11-07 20:40:16,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:16,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088990109] [2024-11-07 20:40:16,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:16,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:16,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:16,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:16,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:16,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:16,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:16,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088990109] [2024-11-07 20:40:16,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088990109] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:16,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764078582] [2024-11-07 20:40:16,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:16,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:16,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:16,499 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 20:40:16,500 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 20:40:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:16,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:40:16,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:16,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:16,651 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:16,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764078582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:16,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:16,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-07 20:40:16,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451698760] [2024-11-07 20:40:16,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:16,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:40:16,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:16,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:40:16,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:40:16,654 INFO L87 Difference]: Start difference. First operand 177 states and 222 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:40:16,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:16,792 INFO L93 Difference]: Finished difference Result 177 states and 222 transitions. [2024-11-07 20:40:16,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:40:16,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 37 [2024-11-07 20:40:16,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:16,795 INFO L225 Difference]: With dead ends: 177 [2024-11-07 20:40:16,795 INFO L226 Difference]: Without dead ends: 175 [2024-11-07 20:40:16,796 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:40:16,796 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:16,797 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 65 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:16,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-07 20:40:16,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 172. [2024-11-07 20:40:16,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.3154362416107384) internal successors, (196), 159 states have internal predecessors, (196), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:40:16,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 216 transitions. [2024-11-07 20:40:16,806 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 216 transitions. Word has length 37 [2024-11-07 20:40:16,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:16,807 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 216 transitions. [2024-11-07 20:40:16,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:40:16,807 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 216 transitions. [2024-11-07 20:40:16,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:40:16,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:16,807 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:16,825 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 20:40:17,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:17,012 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:17,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:17,012 INFO L85 PathProgramCache]: Analyzing trace with hash 29651906, now seen corresponding path program 1 times [2024-11-07 20:40:17,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:17,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697556762] [2024-11-07 20:40:17,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:17,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,126 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:17,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:17,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697556762] [2024-11-07 20:40:17,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697556762] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:17,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115488161] [2024-11-07 20:40:17,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:17,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:17,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:17,129 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 20:40:17,131 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 20:40:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:40:17,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:17,250 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:17,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115488161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:17,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:17,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-07 20:40:17,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74232509] [2024-11-07 20:40:17,378 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:17,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:40:17,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:17,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:40:17,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:17,379 INFO L87 Difference]: Start difference. First operand 172 states and 216 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:40:17,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:17,584 INFO L93 Difference]: Finished difference Result 180 states and 220 transitions. [2024-11-07 20:40:17,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:40:17,584 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 38 [2024-11-07 20:40:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:17,586 INFO L225 Difference]: With dead ends: 180 [2024-11-07 20:40:17,586 INFO L226 Difference]: Without dead ends: 172 [2024-11-07 20:40:17,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:40:17,587 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 35 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:17,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 128 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:17,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-07 20:40:17,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-07 20:40:17,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.2885906040268456) internal successors, (192), 159 states have internal predecessors, (192), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:40:17,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 212 transitions. [2024-11-07 20:40:17,599 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 212 transitions. Word has length 38 [2024-11-07 20:40:17,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:17,599 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 212 transitions. [2024-11-07 20:40:17,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:40:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 212 transitions. [2024-11-07 20:40:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:40:17,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:17,600 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] [2024-11-07 20:40:17,616 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 20:40:17,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:17,801 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:17,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:17,802 INFO L85 PathProgramCache]: Analyzing trace with hash 919209140, now seen corresponding path program 1 times [2024-11-07 20:40:17,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:17,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729395425] [2024-11-07 20:40:17,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:17,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:17,865 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:17,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:17,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729395425] [2024-11-07 20:40:17,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729395425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:17,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:17,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:17,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416288595] [2024-11-07 20:40:17,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:17,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:17,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:17,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:17,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:17,867 INFO L87 Difference]: Start difference. First operand 172 states and 212 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:40:17,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:17,997 INFO L93 Difference]: Finished difference Result 173 states and 212 transitions. [2024-11-07 20:40:17,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:17,998 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 39 [2024-11-07 20:40:17,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:17,999 INFO L225 Difference]: With dead ends: 173 [2024-11-07 20:40:17,999 INFO L226 Difference]: Without dead ends: 172 [2024-11-07 20:40:17,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 20:40:18,000 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:18,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:18,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-07 20:40:18,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-07 20:40:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 149 states have (on average 1.261744966442953) internal successors, (188), 159 states have internal predecessors, (188), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:40:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 208 transitions. [2024-11-07 20:40:18,010 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 208 transitions. Word has length 39 [2024-11-07 20:40:18,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:18,010 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 208 transitions. [2024-11-07 20:40:18,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 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 20:40:18,011 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 208 transitions. [2024-11-07 20:40:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:40:18,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:18,011 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] [2024-11-07 20:40:18,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 20:40:18,011 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:18,012 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:18,012 INFO L85 PathProgramCache]: Analyzing trace with hash -259639638, now seen corresponding path program 1 times [2024-11-07 20:40:18,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:18,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209522403] [2024-11-07 20:40:18,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:18,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:18,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:18,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:18,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:18,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:18,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:40:18,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209522403] [2024-11-07 20:40:18,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209522403] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:18,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160480668] [2024-11-07 20:40:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:18,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:18,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:18,194 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 20:40:18,196 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 20:40:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:18,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:18,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:40:18,337 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:40:18,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160480668] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:18,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:18,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-07 20:40:18,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749645168] [2024-11-07 20:40:18,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:18,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-07 20:40:18,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:18,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-07 20:40:18,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:40:18,597 INFO L87 Difference]: Start difference. First operand 172 states and 208 transitions. Second operand has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:40:19,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:19,256 INFO L93 Difference]: Finished difference Result 173 states and 208 transitions. [2024-11-07 20:40:19,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:40:19,256 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 39 [2024-11-07 20:40:19,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:19,258 INFO L225 Difference]: With dead ends: 173 [2024-11-07 20:40:19,258 INFO L226 Difference]: Without dead ends: 170 [2024-11-07 20:40:19,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 70 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:40:19,259 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 139 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:19,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 127 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:40:19,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2024-11-07 20:40:19,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 143. [2024-11-07 20:40:19,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2338709677419355) internal successors, (153), 131 states have internal predecessors, (153), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:40:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 171 transitions. [2024-11-07 20:40:19,271 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 171 transitions. Word has length 39 [2024-11-07 20:40:19,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:19,271 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 171 transitions. [2024-11-07 20:40:19,271 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.3125) internal successors, (53), 16 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:40:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 171 transitions. [2024-11-07 20:40:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:40:19,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:19,272 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:19,288 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 20:40:19,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:19,477 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:19,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:19,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1569287676, now seen corresponding path program 1 times [2024-11-07 20:40:19,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:19,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569167234] [2024-11-07 20:40:19,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:19,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:19,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:40:19,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:19,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569167234] [2024-11-07 20:40:19,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569167234] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:19,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:40:19,537 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:40:19,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387811014] [2024-11-07 20:40:19,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:19,538 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:40:19,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:40:19,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:40:19,539 INFO L87 Difference]: Start difference. First operand 143 states and 171 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 20:40:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:19,662 INFO L93 Difference]: Finished difference Result 144 states and 171 transitions. [2024-11-07 20:40:19,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:40:19,663 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 40 [2024-11-07 20:40:19,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:19,664 INFO L225 Difference]: With dead ends: 144 [2024-11-07 20:40:19,664 INFO L226 Difference]: Without dead ends: 143 [2024-11-07 20:40:19,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 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 20:40:19,665 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:19,665 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:19,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-07 20:40:19,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-07 20:40:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 124 states have (on average 1.2016129032258065) internal successors, (149), 131 states have internal predecessors, (149), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:40:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2024-11-07 20:40:19,674 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 40 [2024-11-07 20:40:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:19,674 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2024-11-07 20:40:19,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 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 20:40:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2024-11-07 20:40:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:40:19,675 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:19,675 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:19,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:40:19,676 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:19,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:19,676 INFO L85 PathProgramCache]: Analyzing trace with hash 541105870, now seen corresponding path program 1 times [2024-11-07 20:40:19,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:19,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295414048] [2024-11-07 20:40:19,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:19,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:19,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240149943] [2024-11-07 20:40:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:19,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:19,687 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 20:40:19,691 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 20:40:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:19,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:40:19,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:19,910 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 20:40:19,910 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:20,036 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 20:40:20,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:20,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1295414048] [2024-11-07 20:40:20,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:20,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240149943] [2024-11-07 20:40:20,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240149943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:20,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:20,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-07 20:40:20,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387976109] [2024-11-07 20:40:20,037 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:20,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:40:20,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:20,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:40:20,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:20,038 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 20:40:20,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:20,480 INFO L93 Difference]: Finished difference Result 230 states and 268 transitions. [2024-11-07 20:40:20,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:40:20,481 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 40 [2024-11-07 20:40:20,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:20,482 INFO L225 Difference]: With dead ends: 230 [2024-11-07 20:40:20,482 INFO L226 Difference]: Without dead ends: 158 [2024-11-07 20:40:20,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 68 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:20,484 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 69 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:20,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 104 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:40:20,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2024-11-07 20:40:20,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2024-11-07 20:40:20,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 139 states have (on average 1.1654676258992807) internal successors, (162), 145 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:40:20,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 182 transitions. [2024-11-07 20:40:20,498 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 182 transitions. Word has length 40 [2024-11-07 20:40:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:20,498 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 182 transitions. [2024-11-07 20:40:20,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.4) internal successors, (54), 11 states have internal predecessors, (54), 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 20:40:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 182 transitions. [2024-11-07 20:40:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:40:20,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:20,499 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:20,516 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:40:20,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 20:40:20,700 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:20,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:20,700 INFO L85 PathProgramCache]: Analyzing trace with hash 1333082339, now seen corresponding path program 2 times [2024-11-07 20:40:20,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:20,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977393455] [2024-11-07 20:40:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:20,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1015642135] [2024-11-07 20:40:20,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:20,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:20,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:20,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:20,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:40:20,763 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:20,763 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:20,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:20,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:40:20,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:40:21,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:21,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977393455] [2024-11-07 20:40:21,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:21,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015642135] [2024-11-07 20:40:21,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015642135] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:21,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:21,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:40:21,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105690250] [2024-11-07 20:40:21,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:21,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:40:21,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:21,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:40:21,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:40:21,117 INFO L87 Difference]: Start difference. First operand 158 states and 182 transitions. Second operand has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:21,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:21,998 INFO L93 Difference]: Finished difference Result 325 states and 386 transitions. [2024-11-07 20:40:21,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:40:21,999 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 56 [2024-11-07 20:40:21,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:22,001 INFO L225 Difference]: With dead ends: 325 [2024-11-07 20:40:22,002 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 20:40:22,002 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:40:22,003 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 175 mSDsluCounter, 166 mSDsCounter, 0 mSdLazyCounter, 327 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 327 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:22,003 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 210 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 327 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:40:22,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 20:40:22,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 300. [2024-11-07 20:40:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 274 states have (on average 1.1715328467153285) internal successors, (321), 279 states have internal predecessors, (321), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:40:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 357 transitions. [2024-11-07 20:40:22,025 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 357 transitions. Word has length 56 [2024-11-07 20:40:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:22,025 INFO L471 AbstractCegarLoop]: Abstraction has 300 states and 357 transitions. [2024-11-07 20:40:22,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.444444444444445) internal successors, (76), 10 states have internal predecessors, (76), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 357 transitions. [2024-11-07 20:40:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-07 20:40:22,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:22,026 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:22,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:22,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:40:22,227 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:22,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:22,227 INFO L85 PathProgramCache]: Analyzing trace with hash 689941713, now seen corresponding path program 2 times [2024-11-07 20:40:22,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:22,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289728179] [2024-11-07 20:40:22,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:22,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:22,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:22,350 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-07 20:40:22,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:22,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289728179] [2024-11-07 20:40:22,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289728179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:22,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288515270] [2024-11-07 20:40:22,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:22,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:22,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:22,353 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:22,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:40:22,396 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:22,397 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:22,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:40:22,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-07 20:40:22,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:22,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288515270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:22,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:22,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-07 20:40:22,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736122036] [2024-11-07 20:40:22,636 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:22,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:40:22,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:40:22,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:40:22,638 INFO L87 Difference]: Start difference. First operand 300 states and 357 transitions. Second operand has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:22,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:22,872 INFO L93 Difference]: Finished difference Result 324 states and 383 transitions. [2024-11-07 20:40:22,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:40:22,873 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 58 [2024-11-07 20:40:22,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:22,874 INFO L225 Difference]: With dead ends: 324 [2024-11-07 20:40:22,874 INFO L226 Difference]: Without dead ends: 316 [2024-11-07 20:40:22,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:40:22,875 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 35 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:22,875 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 150 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 229 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:22,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2024-11-07 20:40:22,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 316. [2024-11-07 20:40:22,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 316 states, 289 states have (on average 1.166089965397924) internal successors, (337), 294 states have internal predecessors, (337), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:40:22,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 375 transitions. [2024-11-07 20:40:22,902 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 375 transitions. Word has length 58 [2024-11-07 20:40:22,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:22,902 INFO L471 AbstractCegarLoop]: Abstraction has 316 states and 375 transitions. [2024-11-07 20:40:22,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.3) internal successors, (83), 11 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 375 transitions. [2024-11-07 20:40:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:40:22,903 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:22,904 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:22,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:40:23,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:40:23,108 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:23,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:23,108 INFO L85 PathProgramCache]: Analyzing trace with hash -526727072, now seen corresponding path program 3 times [2024-11-07 20:40:23,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:23,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105246898] [2024-11-07 20:40:23,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:23,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:40:23,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:23,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105246898] [2024-11-07 20:40:23,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105246898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:23,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [543478436] [2024-11-07 20:40:23,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:23,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:23,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:23,272 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:23,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:40:23,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:40:23,313 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:23,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:40:23,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:23,416 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-07 20:40:23,417 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:40:23,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [543478436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:40:23,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 20:40:23,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337722360] [2024-11-07 20:40:23,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:40:23,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:40:23,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:23,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:40:23,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:23,418 INFO L87 Difference]: Start difference. First operand 316 states and 375 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 20:40:23,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:23,537 INFO L93 Difference]: Finished difference Result 324 states and 379 transitions. [2024-11-07 20:40:23,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:40:23,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 78 [2024-11-07 20:40:23,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:23,539 INFO L225 Difference]: With dead ends: 324 [2024-11-07 20:40:23,539 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 20:40:23,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:23,539 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 21 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:23,540 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 100 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:23,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 20:40:23,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 313. [2024-11-07 20:40:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 286 states have (on average 1.1538461538461537) internal successors, (330), 291 states have internal predecessors, (330), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:40:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 368 transitions. [2024-11-07 20:40:23,556 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 368 transitions. Word has length 78 [2024-11-07 20:40:23,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:23,557 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 368 transitions. [2024-11-07 20:40:23,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 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 20:40:23,557 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 368 transitions. [2024-11-07 20:40:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:40:23,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:23,558 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:23,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:40:23,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:23,758 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:23,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:23,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2064976214, now seen corresponding path program 1 times [2024-11-07 20:40:23,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:23,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914849675] [2024-11-07 20:40:23,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:23,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:23,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,894 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:40:23,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:23,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914849675] [2024-11-07 20:40:23,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914849675] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:23,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548141644] [2024-11-07 20:40:23,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:23,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:23,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:23,898 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:23,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:40:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:23,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:40:23,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:24,182 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 4 proven. 28 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-07 20:40:24,182 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-07 20:40:24,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548141644] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:24,408 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:24,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 18 [2024-11-07 20:40:24,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269902196] [2024-11-07 20:40:24,408 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:24,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-07 20:40:24,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:24,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-07 20:40:24,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:40:24,409 INFO L87 Difference]: Start difference. First operand 313 states and 368 transitions. Second operand has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-07 20:40:25,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:25,326 INFO L93 Difference]: Finished difference Result 417 states and 495 transitions. [2024-11-07 20:40:25,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-07 20:40:25,328 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 78 [2024-11-07 20:40:25,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:25,330 INFO L225 Difference]: With dead ends: 417 [2024-11-07 20:40:25,330 INFO L226 Difference]: Without dead ends: 403 [2024-11-07 20:40:25,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 907 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=761, Invalid=2431, Unknown=0, NotChecked=0, Total=3192 [2024-11-07 20:40:25,332 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 248 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 406 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:25,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 133 Invalid, 406 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:40:25,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-07 20:40:25,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 307. [2024-11-07 20:40:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 282 states have (on average 1.1134751773049645) internal successors, (314), 285 states have internal predecessors, (314), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-07 20:40:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 352 transitions. [2024-11-07 20:40:25,360 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 352 transitions. Word has length 78 [2024-11-07 20:40:25,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:25,361 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 352 transitions. [2024-11-07 20:40:25,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 5.777777777777778) internal successors, (104), 18 states have internal predecessors, (104), 8 states have call successors, (9), 1 states have call predecessors, (9), 3 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-07 20:40:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 352 transitions. [2024-11-07 20:40:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-07 20:40:25,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:25,362 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:25,379 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 20:40:25,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:25,567 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:25,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:25,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1766875250, now seen corresponding path program 1 times [2024-11-07 20:40:25,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:25,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218976619] [2024-11-07 20:40:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:25,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:25,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:25,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:25,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218976619] [2024-11-07 20:40:25,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218976619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:25,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540730450] [2024-11-07 20:40:25,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:25,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:25,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:25,660 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:25,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:40:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:25,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:40:25,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:25,795 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:25,795 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:25,904 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:25,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540730450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:25,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:25,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 20:40:25,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494424849] [2024-11-07 20:40:25,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:25,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:40:25,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:25,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:40:25,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:25,906 INFO L87 Difference]: Start difference. First operand 307 states and 352 transitions. Second operand has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:26,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:26,072 INFO L93 Difference]: Finished difference Result 1042 states and 1257 transitions. [2024-11-07 20:40:26,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:40:26,072 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 88 [2024-11-07 20:40:26,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:26,077 INFO L225 Difference]: With dead ends: 1042 [2024-11-07 20:40:26,077 INFO L226 Difference]: Without dead ends: 1040 [2024-11-07 20:40:26,077 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:26,078 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 14 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:26,078 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 153 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:26,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2024-11-07 20:40:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1040. [2024-11-07 20:40:26,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 969 states have (on average 1.0691434468524252) internal successors, (1036), 971 states have internal predecessors, (1036), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-11-07 20:40:26,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1168 transitions. [2024-11-07 20:40:26,144 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1168 transitions. Word has length 88 [2024-11-07 20:40:26,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:26,144 INFO L471 AbstractCegarLoop]: Abstraction has 1040 states and 1168 transitions. [2024-11-07 20:40:26,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.4) internal successors, (134), 11 states have internal predecessors, (134), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:26,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1168 transitions. [2024-11-07 20:40:26,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 20:40:26,145 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:26,145 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:26,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:40:26,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:26,346 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:26,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:26,347 INFO L85 PathProgramCache]: Analyzing trace with hash -932034271, now seen corresponding path program 1 times [2024-11-07 20:40:26,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:26,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065040574] [2024-11-07 20:40:26,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:26,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,427 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:40:26,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:26,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065040574] [2024-11-07 20:40:26,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065040574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:26,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008896578] [2024-11-07 20:40:26,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:26,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:26,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:26,430 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:26,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:40:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:26,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:40:26,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:26,568 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 66 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-07 20:40:26,568 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 54 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-07 20:40:26,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008896578] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:26,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:26,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6, 6] total 10 [2024-11-07 20:40:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601581645] [2024-11-07 20:40:26,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:26,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:40:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:40:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:40:26,663 INFO L87 Difference]: Start difference. First operand 1040 states and 1168 transitions. Second operand has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-07 20:40:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:27,078 INFO L93 Difference]: Finished difference Result 1934 states and 2170 transitions. [2024-11-07 20:40:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 20:40:27,079 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) Word has length 91 [2024-11-07 20:40:27,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:27,085 INFO L225 Difference]: With dead ends: 1934 [2024-11-07 20:40:27,085 INFO L226 Difference]: Without dead ends: 1630 [2024-11-07 20:40:27,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 185 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:40:27,089 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 81 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:27,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 211 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:27,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2024-11-07 20:40:27,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1243. [2024-11-07 20:40:27,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 1160 states have (on average 1.0672413793103448) internal successors, (1238), 1162 states have internal predecessors, (1238), 78 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-07 20:40:27,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1394 transitions. [2024-11-07 20:40:27,164 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1394 transitions. Word has length 91 [2024-11-07 20:40:27,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:27,165 INFO L471 AbstractCegarLoop]: Abstraction has 1243 states and 1394 transitions. [2024-11-07 20:40:27,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.2) internal successors, (132), 10 states have internal predecessors, (132), 9 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 9 states have call predecessors, (11), 9 states have call successors, (11) [2024-11-07 20:40:27,165 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1394 transitions. [2024-11-07 20:40:27,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-07 20:40:27,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:27,166 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:27,182 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:40:27,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:27,367 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:27,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:27,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1317964823, now seen corresponding path program 1 times [2024-11-07 20:40:27,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:27,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622920036] [2024-11-07 20:40:27,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:27,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:27,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:27,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,447 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:27,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:27,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622920036] [2024-11-07 20:40:27,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622920036] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:27,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336731188] [2024-11-07 20:40:27,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:27,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:27,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:27,450 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:40:27,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:40:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:27,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:40:27,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:27,582 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:27,701 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:40:27,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336731188] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:27,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:27,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-07 20:40:27,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576041654] [2024-11-07 20:40:27,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:27,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:40:27,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:27,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:40:27,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:27,704 INFO L87 Difference]: Start difference. First operand 1243 states and 1394 transitions. Second operand has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:27,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:27,891 INFO L93 Difference]: Finished difference Result 2010 states and 2258 transitions. [2024-11-07 20:40:27,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:40:27,891 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 91 [2024-11-07 20:40:27,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:27,898 INFO L225 Difference]: With dead ends: 2010 [2024-11-07 20:40:27,898 INFO L226 Difference]: Without dead ends: 2009 [2024-11-07 20:40:27,899 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:40:27,899 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 79 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:27,899 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 183 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:27,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2009 states. [2024-11-07 20:40:28,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2009 to 2001. [2024-11-07 20:40:28,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2001 states, 1870 states have (on average 1.0663101604278076) internal successors, (1994), 1872 states have internal predecessors, (1994), 126 states have call successors, (126), 2 states have call predecessors, (126), 2 states have return successors, (126), 126 states have call predecessors, (126), 126 states have call successors, (126) [2024-11-07 20:40:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 2001 states and 2246 transitions. [2024-11-07 20:40:28,019 INFO L78 Accepts]: Start accepts. Automaton has 2001 states and 2246 transitions. Word has length 91 [2024-11-07 20:40:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:28,020 INFO L471 AbstractCegarLoop]: Abstraction has 2001 states and 2246 transitions. [2024-11-07 20:40:28,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 14.0) internal successors, (140), 11 states have internal predecessors, (140), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 2001 states and 2246 transitions. [2024-11-07 20:40:28,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-07 20:40:28,022 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:28,022 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:28,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-07 20:40:28,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:28,223 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:28,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:28,223 INFO L85 PathProgramCache]: Analyzing trace with hash -607809200, now seen corresponding path program 1 times [2024-11-07 20:40:28,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:28,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897511787] [2024-11-07 20:40:28,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:28,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:28,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:28,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,351 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 47 proven. 104 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:40:28,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:28,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897511787] [2024-11-07 20:40:28,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897511787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:28,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623988355] [2024-11-07 20:40:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:28,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:28,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:28,354 INFO L229 MonitoredProcess]: Starting monitored process 19 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 20:40:28,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:40:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:28,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:40:28,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:40:28,559 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 59 proven. 92 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-07 20:40:28,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623988355] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:28,713 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:28,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-07 20:40:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802858371] [2024-11-07 20:40:28,714 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:28,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:40:28,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:28,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:40:28,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:28,715 INFO L87 Difference]: Start difference. First operand 2001 states and 2246 transitions. Second operand has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:29,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:29,075 INFO L93 Difference]: Finished difference Result 4459 states and 5002 transitions. [2024-11-07 20:40:29,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:40:29,076 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 116 [2024-11-07 20:40:29,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:29,087 INFO L225 Difference]: With dead ends: 4459 [2024-11-07 20:40:29,087 INFO L226 Difference]: Without dead ends: 3299 [2024-11-07 20:40:29,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:40:29,093 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 26 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:29,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 315 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:29,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2024-11-07 20:40:29,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 2298. [2024-11-07 20:40:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2298 states, 2149 states have (on average 1.0604932526756632) internal successors, (2279), 2151 states have internal predecessors, (2279), 144 states have call successors, (144), 2 states have call predecessors, (144), 2 states have return successors, (144), 144 states have call predecessors, (144), 144 states have call successors, (144) [2024-11-07 20:40:29,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 2298 states and 2567 transitions. [2024-11-07 20:40:29,233 INFO L78 Accepts]: Start accepts. Automaton has 2298 states and 2567 transitions. Word has length 116 [2024-11-07 20:40:29,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:29,233 INFO L471 AbstractCegarLoop]: Abstraction has 2298 states and 2567 transitions. [2024-11-07 20:40:29,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:40:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2298 states and 2567 transitions. [2024-11-07 20:40:29,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:40:29,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:29,236 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:29,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 20:40:29,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-07 20:40:29,437 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:29,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:29,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1551203553, now seen corresponding path program 2 times [2024-11-07 20:40:29,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:29,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866709302] [2024-11-07 20:40:29,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:29,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:29,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [18026747] [2024-11-07 20:40:29,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:29,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:29,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:29,460 INFO L229 MonitoredProcess]: Starting monitored process 20 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 20:40:29,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:40:29,519 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:29,520 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:29,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:29,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-07 20:40:29,831 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:30,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:30,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866709302] [2024-11-07 20:40:30,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:30,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [18026747] [2024-11-07 20:40:30,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [18026747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:30,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:30,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:40:30,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357469239] [2024-11-07 20:40:30,338 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:30,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:40:30,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:40:30,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:30,339 INFO L87 Difference]: Start difference. First operand 2298 states and 2567 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:30,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:30,596 INFO L93 Difference]: Finished difference Result 2589 states and 2888 transitions. [2024-11-07 20:40:30,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:40:30,597 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 136 [2024-11-07 20:40:30,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:30,605 INFO L225 Difference]: With dead ends: 2589 [2024-11-07 20:40:30,605 INFO L226 Difference]: Without dead ends: 2588 [2024-11-07 20:40:30,606 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:30,607 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 19 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:30,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 235 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:30,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2588 states. [2024-11-07 20:40:30,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2588 to 2330. [2024-11-07 20:40:30,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2179 states have (on average 1.0596603946764571) internal successors, (2309), 2181 states have internal predecessors, (2309), 146 states have call successors, (146), 2 states have call predecessors, (146), 2 states have return successors, (146), 146 states have call predecessors, (146), 146 states have call successors, (146) [2024-11-07 20:40:30,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 2601 transitions. [2024-11-07 20:40:30,756 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 2601 transitions. Word has length 136 [2024-11-07 20:40:30,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:30,756 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 2601 transitions. [2024-11-07 20:40:30,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 8 states have internal predecessors, (77), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-07 20:40:30,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 2601 transitions. [2024-11-07 20:40:30,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:40:30,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:30,760 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:30,779 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:40:30,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:30,965 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:30,965 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:30,965 INFO L85 PathProgramCache]: Analyzing trace with hash -716297751, now seen corresponding path program 3 times [2024-11-07 20:40:30,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:30,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931487326] [2024-11-07 20:40:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:30,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:30,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [107208026] [2024-11-07 20:40:30,990 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:30,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:30,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:30,992 INFO L229 MonitoredProcess]: Starting monitored process 21 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 20:40:30,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:40:31,052 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-07 20:40:31,052 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:31,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:40:31,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:31,217 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 20:40:31,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:31,615 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 20:40:31,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:31,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931487326] [2024-11-07 20:40:31,615 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:31,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [107208026] [2024-11-07 20:40:31,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [107208026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:31,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:31,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-07 20:40:31,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438612012] [2024-11-07 20:40:31,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:31,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:40:31,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:31,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:40:31,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:40:31,617 INFO L87 Difference]: Start difference. First operand 2330 states and 2601 transitions. Second operand has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:32,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:32,704 INFO L93 Difference]: Finished difference Result 3162 states and 3521 transitions. [2024-11-07 20:40:32,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-07 20:40:32,705 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 136 [2024-11-07 20:40:32,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:32,715 INFO L225 Difference]: With dead ends: 3162 [2024-11-07 20:40:32,715 INFO L226 Difference]: Without dead ends: 3161 [2024-11-07 20:40:32,716 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 347 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=372, Invalid=1188, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 20:40:32,717 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 303 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 561 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:32,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 289 Invalid, 561 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:40:32,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2024-11-07 20:40:32,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 2385. [2024-11-07 20:40:32,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2385 states, 2231 states have (on average 1.0578216046615867) internal successors, (2360), 2233 states have internal predecessors, (2360), 149 states have call successors, (149), 2 states have call predecessors, (149), 2 states have return successors, (149), 149 states have call predecessors, (149), 149 states have call successors, (149) [2024-11-07 20:40:32,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 2385 states and 2658 transitions. [2024-11-07 20:40:32,857 INFO L78 Accepts]: Start accepts. Automaton has 2385 states and 2658 transitions. Word has length 136 [2024-11-07 20:40:32,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:32,858 INFO L471 AbstractCegarLoop]: Abstraction has 2385 states and 2658 transitions. [2024-11-07 20:40:32,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 12.0) internal successors, (156), 14 states have internal predecessors, (156), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:32,858 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 2658 transitions. [2024-11-07 20:40:32,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:40:32,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:32,860 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:32,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:33,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 20:40:33,061 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:33,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:33,061 INFO L85 PathProgramCache]: Analyzing trace with hash 223845959, now seen corresponding path program 3 times [2024-11-07 20:40:33,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:33,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158367579] [2024-11-07 20:40:33,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:33,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:33,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1757715999] [2024-11-07 20:40:33,085 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:33,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:33,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:33,087 INFO L229 MonitoredProcess]: Starting monitored process 22 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 20:40:33,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:40:33,138 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:40:33,138 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:33,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:40:33,142 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:33,179 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2024-11-07 20:40:33,179 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:33,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:33,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158367579] [2024-11-07 20:40:33,496 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:33,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757715999] [2024-11-07 20:40:33,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757715999] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:33,496 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:33,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:40:33,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933235998] [2024-11-07 20:40:33,497 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:33,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:40:33,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:33,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:40:33,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:40:33,498 INFO L87 Difference]: Start difference. First operand 2385 states and 2658 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 20:40:33,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:33,665 INFO L93 Difference]: Finished difference Result 3415 states and 3801 transitions. [2024-11-07 20:40:33,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:40:33,666 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 136 [2024-11-07 20:40:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:33,674 INFO L225 Difference]: With dead ends: 3415 [2024-11-07 20:40:33,674 INFO L226 Difference]: Without dead ends: 2108 [2024-11-07 20:40:33,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:40:33,677 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 22 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:33,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 77 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:40:33,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2108 states. [2024-11-07 20:40:33,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2108 to 2107. [2024-11-07 20:40:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2107 states, 1970 states have (on average 1.0532994923857868) internal successors, (2075), 1972 states have internal predecessors, (2075), 132 states have call successors, (132), 2 states have call predecessors, (132), 2 states have return successors, (132), 132 states have call predecessors, (132), 132 states have call successors, (132) [2024-11-07 20:40:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 2107 states and 2339 transitions. [2024-11-07 20:40:33,799 INFO L78 Accepts]: Start accepts. Automaton has 2107 states and 2339 transitions. Word has length 136 [2024-11-07 20:40:33,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:33,799 INFO L471 AbstractCegarLoop]: Abstraction has 2107 states and 2339 transitions. [2024-11-07 20:40:33,801 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 20:40:33,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2339 transitions. [2024-11-07 20:40:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-07 20:40:33,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:33,804 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:33,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:34,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-07 20:40:34,006 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:34,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:34,006 INFO L85 PathProgramCache]: Analyzing trace with hash 528007278, now seen corresponding path program 4 times [2024-11-07 20:40:34,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:34,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060615260] [2024-11-07 20:40:34,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:34,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:34,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:34,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:34,185 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 83 proven. 234 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 20:40:34,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:34,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060615260] [2024-11-07 20:40:34,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060615260] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:34,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405607365] [2024-11-07 20:40:34,186 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:40:34,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:34,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:34,188 INFO L229 MonitoredProcess]: Starting monitored process 23 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 20:40:34,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:40:34,255 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:40:34,255 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:34,256 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:40:34,257 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 20:40:34,434 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:34,612 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 109 proven. 208 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-07 20:40:34,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405607365] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:34,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:34,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-11-07 20:40:34,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868746744] [2024-11-07 20:40:34,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:34,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:40:34,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:34,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:40:34,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:40:34,613 INFO L87 Difference]: Start difference. First operand 2107 states and 2339 transitions. Second operand has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:35,013 INFO L93 Difference]: Finished difference Result 4286 states and 4766 transitions. [2024-11-07 20:40:35,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:40:35,014 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 156 [2024-11-07 20:40:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:35,022 INFO L225 Difference]: With dead ends: 4286 [2024-11-07 20:40:35,022 INFO L226 Difference]: Without dead ends: 3262 [2024-11-07 20:40:35,023 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 318 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:35,024 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 28 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 728 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 730 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 728 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:35,024 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 494 Invalid, 730 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 728 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:40:35,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3262 states. [2024-11-07 20:40:35,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3262 to 2500. [2024-11-07 20:40:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2500 states, 2339 states have (on average 1.0470286447199657) internal successors, (2449), 2341 states have internal predecessors, (2449), 156 states have call successors, (156), 2 states have call predecessors, (156), 2 states have return successors, (156), 156 states have call predecessors, (156), 156 states have call successors, (156) [2024-11-07 20:40:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2500 states and 2761 transitions. [2024-11-07 20:40:35,161 INFO L78 Accepts]: Start accepts. Automaton has 2500 states and 2761 transitions. Word has length 156 [2024-11-07 20:40:35,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:35,161 INFO L471 AbstractCegarLoop]: Abstraction has 2500 states and 2761 transitions. [2024-11-07 20:40:35,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 12.733333333333333) internal successors, (191), 15 states have internal predecessors, (191), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-07 20:40:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2761 transitions. [2024-11-07 20:40:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-07 20:40:35,166 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:35,166 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:35,187 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-07 20:40:35,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-07 20:40:35,367 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:35,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:35,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1631783107, now seen corresponding path program 5 times [2024-11-07 20:40:35,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:35,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609884847] [2024-11-07 20:40:35,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:35,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:35,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019863517] [2024-11-07 20:40:35,390 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:40:35,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:35,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:35,392 INFO L229 MonitoredProcess]: Starting monitored process 24 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 20:40:35,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 20:40:35,472 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-07 20:40:35,472 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:35,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-07 20:40:35,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 12 proven. 433 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-07 20:40:36,026 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:36,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:36,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609884847] [2024-11-07 20:40:36,348 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:36,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019863517] [2024-11-07 20:40:36,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019863517] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:36,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:36,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2024-11-07 20:40:36,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355770252] [2024-11-07 20:40:36,350 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:36,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 20:40:36,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:36,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 20:40:36,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:40:36,351 INFO L87 Difference]: Start difference. First operand 2500 states and 2761 transitions. Second operand has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:36,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:36,940 INFO L93 Difference]: Finished difference Result 3808 states and 4208 transitions. [2024-11-07 20:40:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 20:40:36,941 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 176 [2024-11-07 20:40:36,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:36,949 INFO L225 Difference]: With dead ends: 3808 [2024-11-07 20:40:36,950 INFO L226 Difference]: Without dead ends: 2712 [2024-11-07 20:40:36,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=464, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:40:36,952 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 23 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 1285 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:36,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 435 Invalid, 1286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1285 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:40:36,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2712 states. [2024-11-07 20:40:37,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2712 to 2564. [2024-11-07 20:40:37,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2399 states have (on average 1.0458524385160484) internal successors, (2509), 2401 states have internal predecessors, (2509), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-07 20:40:37,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 2829 transitions. [2024-11-07 20:40:37,092 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 2829 transitions. Word has length 176 [2024-11-07 20:40:37,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:37,093 INFO L471 AbstractCegarLoop]: Abstraction has 2564 states and 2829 transitions. [2024-11-07 20:40:37,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.105263157894737) internal successors, (135), 20 states have internal predecessors, (135), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 2829 transitions. [2024-11-07 20:40:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2024-11-07 20:40:37,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:37,097 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:37,114 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-07 20:40:37,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-07 20:40:37,303 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:37,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1879641597, now seen corresponding path program 2 times [2024-11-07 20:40:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:37,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612215886] [2024-11-07 20:40:37,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:37,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:37,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:37,517 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:37,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:37,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612215886] [2024-11-07 20:40:37,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612215886] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:37,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805847700] [2024-11-07 20:40:37,520 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:37,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:37,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:37,523 INFO L229 MonitoredProcess]: Starting monitored process 25 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 20:40:37,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 20:40:37,591 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:37,592 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:37,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:40:37,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:37,747 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:37,748 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 536 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:38,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805847700] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:38,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:38,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-07 20:40:38,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675290925] [2024-11-07 20:40:38,028 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:38,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:40:38,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:38,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:40:38,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:38,029 INFO L87 Difference]: Start difference. First operand 2564 states and 2829 transitions. Second operand has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:38,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:38,462 INFO L93 Difference]: Finished difference Result 4485 states and 5109 transitions. [2024-11-07 20:40:38,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 20:40:38,463 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 188 [2024-11-07 20:40:38,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:38,479 INFO L225 Difference]: With dead ends: 4485 [2024-11-07 20:40:38,479 INFO L226 Difference]: Without dead ends: 4484 [2024-11-07 20:40:38,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 387 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:38,481 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 20 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:38,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 171 Invalid, 208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:38,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4484 states. [2024-11-07 20:40:38,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4484 to 4484. [2024-11-07 20:40:38,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4484 states, 4199 states have (on average 1.0547749464158134) internal successors, (4429), 4201 states have internal predecessors, (4429), 280 states have call successors, (280), 2 states have call predecessors, (280), 2 states have return successors, (280), 280 states have call predecessors, (280), 280 states have call successors, (280) [2024-11-07 20:40:38,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4484 states to 4484 states and 4989 transitions. [2024-11-07 20:40:38,690 INFO L78 Accepts]: Start accepts. Automaton has 4484 states and 4989 transitions. Word has length 188 [2024-11-07 20:40:38,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:38,690 INFO L471 AbstractCegarLoop]: Abstraction has 4484 states and 4989 transitions. [2024-11-07 20:40:38,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.2) internal successors, (284), 21 states have internal predecessors, (284), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 4484 states and 4989 transitions. [2024-11-07 20:40:38,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-07 20:40:38,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:38,694 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:38,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-07 20:40:38,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:38,897 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:38,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:38,898 INFO L85 PathProgramCache]: Analyzing trace with hash -821238662, now seen corresponding path program 2 times [2024-11-07 20:40:38,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:38,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785079424] [2024-11-07 20:40:38,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:38,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:38,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:39,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:39,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:39,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:39,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:39,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:39,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:39,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785079424] [2024-11-07 20:40:39,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785079424] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:39,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1485594758] [2024-11-07 20:40:39,100 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:39,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:39,102 INFO L229 MonitoredProcess]: Starting monitored process 26 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 20:40:39,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-07 20:40:39,207 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:39,208 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:39,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:40:39,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:39,366 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:39,634 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 560 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:39,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1485594758] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:39,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:39,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-07 20:40:39,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729438424] [2024-11-07 20:40:39,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:39,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-07 20:40:39,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:39,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-07 20:40:39,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:39,637 INFO L87 Difference]: Start difference. First operand 4484 states and 4989 transitions. Second operand has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:40,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:40,115 INFO L93 Difference]: Finished difference Result 8493 states and 9479 transitions. [2024-11-07 20:40:40,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 20:40:40,115 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 191 [2024-11-07 20:40:40,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:40,136 INFO L225 Difference]: With dead ends: 8493 [2024-11-07 20:40:40,137 INFO L226 Difference]: Without dead ends: 8492 [2024-11-07 20:40:40,140 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 393 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:40:40,143 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 284 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 204 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 204 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:40,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 349 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 204 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:40,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8492 states. [2024-11-07 20:40:40,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8492 to 8474. [2024-11-07 20:40:40,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8474 states, 7939 states have (on average 1.0554225973044464) internal successors, (8379), 7941 states have internal predecessors, (8379), 530 states have call successors, (530), 2 states have call predecessors, (530), 2 states have return successors, (530), 530 states have call predecessors, (530), 530 states have call successors, (530) [2024-11-07 20:40:40,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8474 states to 8474 states and 9439 transitions. [2024-11-07 20:40:40,673 INFO L78 Accepts]: Start accepts. Automaton has 8474 states and 9439 transitions. Word has length 191 [2024-11-07 20:40:40,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:40,674 INFO L471 AbstractCegarLoop]: Abstraction has 8474 states and 9439 transitions. [2024-11-07 20:40:40,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 14.5) internal successors, (290), 21 states have internal predecessors, (290), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-07 20:40:40,674 INFO L276 IsEmpty]: Start isEmpty. Operand 8474 states and 9439 transitions. [2024-11-07 20:40:40,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-07 20:40:40,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:40,678 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:40,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:40,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-07 20:40:40,879 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:40,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:40,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1537771124, now seen corresponding path program 6 times [2024-11-07 20:40:40,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:40,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937392058] [2024-11-07 20:40:40,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:40,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:41,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:41,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 135 proven. 412 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:41,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937392058] [2024-11-07 20:40:41,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937392058] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:41,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84036943] [2024-11-07 20:40:41,094 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:40:41,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:41,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:41,096 INFO L229 MonitoredProcess]: Starting monitored process 27 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 20:40:41,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-07 20:40:41,202 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2024-11-07 20:40:41,202 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:41,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:40:41,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:41,506 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:41,506 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 175 proven. 372 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-07 20:40:41,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84036943] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:41,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:41,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 18 [2024-11-07 20:40:41,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826720520] [2024-11-07 20:40:41,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:41,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-07 20:40:41,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:41,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-07 20:40:41,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:41,690 INFO L87 Difference]: Start difference. First operand 8474 states and 9439 transitions. Second operand has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-07 20:40:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:42,410 INFO L93 Difference]: Finished difference Result 19106 states and 21324 transitions. [2024-11-07 20:40:42,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:40:42,410 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) Word has length 196 [2024-11-07 20:40:42,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:42,445 INFO L225 Difference]: With dead ends: 19106 [2024-11-07 20:40:42,445 INFO L226 Difference]: Without dead ends: 13932 [2024-11-07 20:40:42,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 399 SyntacticMatches, 9 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:40:42,455 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 30 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:42,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 373 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:42,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13932 states. [2024-11-07 20:40:43,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13932 to 9628. [2024-11-07 20:40:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9628 states, 9021 states have (on average 1.0504378671987584) internal successors, (9476), 9023 states have internal predecessors, (9476), 602 states have call successors, (602), 2 states have call predecessors, (602), 2 states have return successors, (602), 602 states have call predecessors, (602), 602 states have call successors, (602) [2024-11-07 20:40:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 10680 transitions. [2024-11-07 20:40:43,066 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 10680 transitions. Word has length 196 [2024-11-07 20:40:43,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:43,067 INFO L471 AbstractCegarLoop]: Abstraction has 9628 states and 10680 transitions. [2024-11-07 20:40:43,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 13.11111111111111) internal successors, (236), 18 states have internal predecessors, (236), 16 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 16 states have call predecessors, (17), 16 states have call successors, (17) [2024-11-07 20:40:43,067 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 10680 transitions. [2024-11-07 20:40:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2024-11-07 20:40:43,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:43,070 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:43,087 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-07 20:40:43,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:43,275 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:43,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:43,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1191162710, now seen corresponding path program 7 times [2024-11-07 20:40:43,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:43,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256383986] [2024-11-07 20:40:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:43,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,497 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-07 20:40:43,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:43,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256383986] [2024-11-07 20:40:43,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256383986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:43,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060687402] [2024-11-07 20:40:43,497 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 20:40:43,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:43,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:43,500 INFO L229 MonitoredProcess]: Starting monitored process 28 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 20:40:43,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-07 20:40:43,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:43,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:40:43,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:43,894 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 317 proven. 200 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-07 20:40:43,894 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 179 proven. 338 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-07 20:40:44,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060687402] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:44,127 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:44,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-11-07 20:40:44,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743479102] [2024-11-07 20:40:44,127 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:44,128 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:40:44,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:44,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:40:44,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=333, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:40:44,129 INFO L87 Difference]: Start difference. First operand 9628 states and 10680 transitions. Second operand has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-07 20:40:45,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:45,067 INFO L93 Difference]: Finished difference Result 25363 states and 28275 transitions. [2024-11-07 20:40:45,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 20:40:45,067 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) Word has length 196 [2024-11-07 20:40:45,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:45,111 INFO L225 Difference]: With dead ends: 25363 [2024-11-07 20:40:45,111 INFO L226 Difference]: Without dead ends: 17859 [2024-11-07 20:40:45,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 433 GetRequests, 400 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=272, Invalid=784, Unknown=0, NotChecked=0, Total=1056 [2024-11-07 20:40:45,124 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 26 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:45,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 384 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:45,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17859 states. [2024-11-07 20:40:45,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17859 to 8946. [2024-11-07 20:40:45,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8946 states, 8380 states have (on average 1.0485680190930788) internal successors, (8787), 8382 states have internal predecessors, (8787), 561 states have call successors, (561), 2 states have call predecessors, (561), 2 states have return successors, (561), 561 states have call predecessors, (561), 561 states have call successors, (561) [2024-11-07 20:40:45,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8946 states to 8946 states and 9909 transitions. [2024-11-07 20:40:45,723 INFO L78 Accepts]: Start accepts. Automaton has 8946 states and 9909 transitions. Word has length 196 [2024-11-07 20:40:45,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:45,726 INFO L471 AbstractCegarLoop]: Abstraction has 8946 states and 9909 transitions. [2024-11-07 20:40:45,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 14.454545454545455) internal successors, (318), 22 states have internal predecessors, (318), 21 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 21 states have call predecessors, (22), 21 states have call successors, (22) [2024-11-07 20:40:45,726 INFO L276 IsEmpty]: Start isEmpty. Operand 8946 states and 9909 transitions. [2024-11-07 20:40:45,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-07 20:40:45,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:45,729 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:45,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-07 20:40:45,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-07 20:40:45,933 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:45,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash 200406363, now seen corresponding path program 8 times [2024-11-07 20:40:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:45,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425739989] [2024-11-07 20:40:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:45,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1571290552] [2024-11-07 20:40:45,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:40:45,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:45,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:45,960 INFO L229 MonitoredProcess]: Starting monitored process 29 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 20:40:45,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-07 20:40:46,035 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:40:46,036 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:46,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:40:46,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 542 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-11-07 20:40:46,485 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:46,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425739989] [2024-11-07 20:40:46,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571290552] [2024-11-07 20:40:46,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571290552] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:46,716 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:46,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:40:46,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247594870] [2024-11-07 20:40:46,716 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:46,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:40:46,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:46,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:40:46,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:46,717 INFO L87 Difference]: Start difference. First operand 8946 states and 9909 transitions. Second operand has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:40:47,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:47,427 INFO L93 Difference]: Finished difference Result 9557 states and 10586 transitions. [2024-11-07 20:40:47,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:40:47,427 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 216 [2024-11-07 20:40:47,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:47,449 INFO L225 Difference]: With dead ends: 9557 [2024-11-07 20:40:47,449 INFO L226 Difference]: Without dead ends: 9556 [2024-11-07 20:40:47,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:40:47,453 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 19 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:47,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 394 Invalid, 683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:40:47,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9556 states. [2024-11-07 20:40:48,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9556 to 9256. [2024-11-07 20:40:48,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9256 states, 8671 states have (on average 1.048667973705455) internal successors, (9093), 8673 states have internal predecessors, (9093), 580 states have call successors, (580), 2 states have call predecessors, (580), 2 states have return successors, (580), 580 states have call predecessors, (580), 580 states have call successors, (580) [2024-11-07 20:40:48,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9256 states to 9256 states and 10253 transitions. [2024-11-07 20:40:48,130 INFO L78 Accepts]: Start accepts. Automaton has 9256 states and 10253 transitions. Word has length 216 [2024-11-07 20:40:48,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:48,130 INFO L471 AbstractCegarLoop]: Abstraction has 9256 states and 10253 transitions. [2024-11-07 20:40:48,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 11.88888888888889) internal successors, (107), 10 states have internal predecessors, (107), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-07 20:40:48,130 INFO L276 IsEmpty]: Start isEmpty. Operand 9256 states and 10253 transitions. [2024-11-07 20:40:48,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-07 20:40:48,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:48,133 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:48,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-07 20:40:48,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:48,335 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:48,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:48,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1429226326, now seen corresponding path program 9 times [2024-11-07 20:40:48,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:48,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33785168] [2024-11-07 20:40:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:48,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:48,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:48,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:48,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:48,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:48,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:48,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 20:40:48,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 20:40:48,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 203 proven. 638 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-07 20:40:48,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:48,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33785168] [2024-11-07 20:40:48,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33785168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:48,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251135628] [2024-11-07 20:40:48,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:40:48,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:48,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:48,611 INFO L229 MonitoredProcess]: Starting monitored process 30 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 20:40:48,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-07 20:40:48,711 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-07 20:40:48,711 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:48,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:40:48,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 0 proven. 621 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2024-11-07 20:40:49,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:49,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251135628] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:49,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:40:49,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9] total 22 [2024-11-07 20:40:49,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621606930] [2024-11-07 20:40:49,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:49,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:40:49,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:49,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:40:49,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:40:49,592 INFO L87 Difference]: Start difference. First operand 9256 states and 10253 transitions. Second operand has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2024-11-07 20:40:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:51,240 INFO L93 Difference]: Finished difference Result 19623 states and 21806 transitions. [2024-11-07 20:40:51,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-11-07 20:40:51,241 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) Word has length 236 [2024-11-07 20:40:51,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:51,267 INFO L225 Difference]: With dead ends: 19623 [2024-11-07 20:40:51,267 INFO L226 Difference]: Without dead ends: 14233 [2024-11-07 20:40:51,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 264 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 886 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=416, Invalid=2890, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 20:40:51,282 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 366 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 2386 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1055 SdHoareTripleChecker+Invalid, 2419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 2386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:51,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1055 Invalid, 2419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 2386 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:40:51,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14233 states. [2024-11-07 20:40:51,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14233 to 10388. [2024-11-07 20:40:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10388 states, 9732 states have (on average 1.0434648581997534) internal successors, (10155), 9734 states have internal predecessors, (10155), 651 states have call successors, (651), 2 states have call predecessors, (651), 2 states have return successors, (651), 651 states have call predecessors, (651), 651 states have call successors, (651) [2024-11-07 20:40:51,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10388 states to 10388 states and 11457 transitions. [2024-11-07 20:40:51,871 INFO L78 Accepts]: Start accepts. Automaton has 10388 states and 11457 transitions. Word has length 236 [2024-11-07 20:40:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:51,871 INFO L471 AbstractCegarLoop]: Abstraction has 10388 states and 11457 transitions. [2024-11-07 20:40:51,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.545454545454545) internal successors, (276), 22 states have internal predecessors, (276), 18 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 18 states have call predecessors, (19), 18 states have call successors, (19) [2024-11-07 20:40:51,872 INFO L276 IsEmpty]: Start isEmpty. Operand 10388 states and 11457 transitions. [2024-11-07 20:40:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-07 20:40:51,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:51,875 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 10, 10, 10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:51,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-07 20:40:52,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:52,076 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:52,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:52,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1466466951, now seen corresponding path program 10 times [2024-11-07 20:40:52,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:52,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829627082] [2024-11-07 20:40:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:52,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:52,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [288598846] [2024-11-07 20:40:52,101 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:40:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:52,103 INFO L229 MonitoredProcess]: Starting monitored process 31 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 20:40:52,105 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-07 20:40:52,200 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:40:52,200 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:52,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-07 20:40:52,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1280 backedges. 30 proven. 862 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2024-11-07 20:40:52,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:53,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:53,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829627082] [2024-11-07 20:40:53,023 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:53,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288598846] [2024-11-07 20:40:53,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288598846] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:53,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:53,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-07 20:40:53,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893772633] [2024-11-07 20:40:53,023 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:53,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 20:40:53,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:53,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 20:40:53,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:40:53,024 INFO L87 Difference]: Start difference. First operand 10388 states and 11457 transitions. Second operand has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:53,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:53,895 INFO L93 Difference]: Finished difference Result 10999 states and 12132 transitions. [2024-11-07 20:40:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 20:40:53,896 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) Word has length 256 [2024-11-07 20:40:53,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:53,908 INFO L225 Difference]: With dead ends: 10999 [2024-11-07 20:40:53,908 INFO L226 Difference]: Without dead ends: 10998 [2024-11-07 20:40:53,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=82, Invalid=424, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:40:53,911 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 36 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 509 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:53,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 509 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:40:53,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10998 states. [2024-11-07 20:40:54,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10998 to 10698. [2024-11-07 20:40:54,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10698 states, 10023 states have (on average 1.0435997206425223) internal successors, (10460), 10025 states have internal predecessors, (10460), 670 states have call successors, (670), 2 states have call predecessors, (670), 2 states have return successors, (670), 670 states have call predecessors, (670), 670 states have call successors, (670) [2024-11-07 20:40:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10698 states to 10698 states and 11800 transitions. [2024-11-07 20:40:54,417 INFO L78 Accepts]: Start accepts. Automaton has 10698 states and 11800 transitions. Word has length 256 [2024-11-07 20:40:54,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:54,417 INFO L471 AbstractCegarLoop]: Abstraction has 10698 states and 11800 transitions. [2024-11-07 20:40:54,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.8) internal successors, (132), 16 states have internal predecessors, (132), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-07 20:40:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 10698 states and 11800 transitions. [2024-11-07 20:40:54,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2024-11-07 20:40:54,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:54,421 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:54,438 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-07 20:40:54,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-07 20:40:54,622 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:54,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:54,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1160014579, now seen corresponding path program 11 times [2024-11-07 20:40:54,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:54,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172485897] [2024-11-07 20:40:54,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:54,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:40:54,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1056624399] [2024-11-07 20:40:54,648 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:40:54,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:54,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:54,651 INFO L229 MonitoredProcess]: Starting monitored process 32 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 20:40:54,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-07 20:40:54,756 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2024-11-07 20:40:54,756 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:54,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-07 20:40:54,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:55,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 45 proven. 976 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-07 20:40:55,964 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:56,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:56,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172485897] [2024-11-07 20:40:56,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:40:56,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056624399] [2024-11-07 20:40:56,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056624399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:56,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:40:56,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2024-11-07 20:40:56,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446037035] [2024-11-07 20:40:56,446 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:56,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-07 20:40:56,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:56,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-07 20:40:56,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=793, Unknown=0, NotChecked=0, Total=930 [2024-11-07 20:40:56,447 INFO L87 Difference]: Start difference. First operand 10698 states and 11800 transitions. Second operand has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-07 20:40:57,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:40:57,714 INFO L93 Difference]: Finished difference Result 12682 states and 13942 transitions. [2024-11-07 20:40:57,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-07 20:40:57,715 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) Word has length 256 [2024-11-07 20:40:57,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:40:57,727 INFO L225 Difference]: With dead ends: 12682 [2024-11-07 20:40:57,727 INFO L226 Difference]: Without dead ends: 11330 [2024-11-07 20:40:57,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 340 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=391, Invalid=1865, Unknown=0, NotChecked=0, Total=2256 [2024-11-07 20:40:57,732 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 41 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 1794 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 1800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:40:57,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 502 Invalid, 1800 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1794 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:40:57,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11330 states. [2024-11-07 20:40:58,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11330 to 10705. [2024-11-07 20:40:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10705 states, 10030 states have (on average 1.043369890329013) internal successors, (10465), 10032 states have internal predecessors, (10465), 670 states have call successors, (670), 2 states have call predecessors, (670), 2 states have return successors, (670), 670 states have call predecessors, (670), 670 states have call successors, (670) [2024-11-07 20:40:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10705 states to 10705 states and 11805 transitions. [2024-11-07 20:40:58,235 INFO L78 Accepts]: Start accepts. Automaton has 10705 states and 11805 transitions. Word has length 256 [2024-11-07 20:40:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:40:58,236 INFO L471 AbstractCegarLoop]: Abstraction has 10705 states and 11805 transitions. [2024-11-07 20:40:58,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 6.321428571428571) internal successors, (177), 29 states have internal predecessors, (177), 12 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 11 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-07 20:40:58,236 INFO L276 IsEmpty]: Start isEmpty. Operand 10705 states and 11805 transitions. [2024-11-07 20:40:58,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2024-11-07 20:40:58,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:40:58,239 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:40:58,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-07 20:40:58,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 20:40:58,440 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:40:58,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:40:58,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1297058248, now seen corresponding path program 12 times [2024-11-07 20:40:58,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:40:58,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238799881] [2024-11-07 20:40:58,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:40:58,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:40:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:40:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:40:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:40:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:40:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:40:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:40:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:40:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:40:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:40:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:40:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:40:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 20:40:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 20:40:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 20:40:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 20:40:58,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:40:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 287 proven. 912 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-07 20:40:58,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:40:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238799881] [2024-11-07 20:40:58,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238799881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:40:58,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088652666] [2024-11-07 20:40:58,791 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:40:58,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:40:58,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:40:58,793 INFO L229 MonitoredProcess]: Starting monitored process 33 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 20:40:58,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-07 20:40:58,991 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-11-07 20:40:58,991 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:40:58,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:40:58,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:40:59,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-07 20:40:59,329 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:40:59,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 355 proven. 844 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-07 20:40:59,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088652666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:40:59,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:40:59,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 24 [2024-11-07 20:40:59,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796263370] [2024-11-07 20:40:59,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:40:59,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:40:59,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:40:59,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:40:59,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=413, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:40:59,640 INFO L87 Difference]: Start difference. First operand 10705 states and 11805 transitions. Second operand has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-07 20:41:00,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:00,697 INFO L93 Difference]: Finished difference Result 21020 states and 23271 transitions. [2024-11-07 20:41:00,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 20:41:00,697 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) Word has length 276 [2024-11-07 20:41:00,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:00,720 INFO L225 Difference]: With dead ends: 21020 [2024-11-07 20:41:00,721 INFO L226 Difference]: Without dead ends: 15860 [2024-11-07 20:41:00,732 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 561 SyntacticMatches, 13 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 396 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=214, Invalid=656, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:41:00,734 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 30 mSDsluCounter, 757 mSDsCounter, 0 mSdLazyCounter, 1536 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 1539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:00,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 874 Invalid, 1539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1536 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:41:00,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15860 states. [2024-11-07 20:41:01,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15860 to 12339. [2024-11-07 20:41:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12339 states, 11562 states have (on average 1.0390070921985815) internal successors, (12013), 11564 states have internal predecessors, (12013), 772 states have call successors, (772), 2 states have call predecessors, (772), 2 states have return successors, (772), 772 states have call predecessors, (772), 772 states have call successors, (772) [2024-11-07 20:41:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12339 states to 12339 states and 13557 transitions. [2024-11-07 20:41:01,363 INFO L78 Accepts]: Start accepts. Automaton has 12339 states and 13557 transitions. Word has length 276 [2024-11-07 20:41:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:01,363 INFO L471 AbstractCegarLoop]: Abstraction has 12339 states and 13557 transitions. [2024-11-07 20:41:01,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 13.583333333333334) internal successors, (326), 24 states have internal predecessors, (326), 22 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 22 states have call predecessors, (23), 22 states have call successors, (23) [2024-11-07 20:41:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 12339 states and 13557 transitions. [2024-11-07 20:41:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 20:41:01,367 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:01,367 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 12, 12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:01,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-07 20:41:01,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-07 20:41:01,567 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:01,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:01,568 INFO L85 PathProgramCache]: Analyzing trace with hash 203132823, now seen corresponding path program 13 times [2024-11-07 20:41:01,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:01,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748953125] [2024-11-07 20:41:01,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:01,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:01,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435091104] [2024-11-07 20:41:01,594 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 20:41:01,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:01,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:01,600 INFO L229 MonitoredProcess]: Starting monitored process 34 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 20:41:01,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-07 20:41:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:01,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-07 20:41:01,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 39 proven. 1402 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2024-11-07 20:41:02,782 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:03,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:03,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748953125] [2024-11-07 20:41:03,418 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:41:03,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435091104] [2024-11-07 20:41:03,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435091104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:03,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:41:03,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2024-11-07 20:41:03,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525063802] [2024-11-07 20:41:03,418 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:03,418 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-07 20:41:03,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:03,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-07 20:41:03,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2024-11-07 20:41:03,419 INFO L87 Difference]: Start difference. First operand 12339 states and 13557 transitions. Second operand has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:41:06,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:06,057 INFO L93 Difference]: Finished difference Result 18110 states and 19950 transitions. [2024-11-07 20:41:06,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-11-07 20:41:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 296 [2024-11-07 20:41:06,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:06,073 INFO L225 Difference]: With dead ends: 18110 [2024-11-07 20:41:06,073 INFO L226 Difference]: Without dead ends: 12759 [2024-11-07 20:41:06,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=200, Invalid=2350, Unknown=0, NotChecked=0, Total=2550 [2024-11-07 20:41:06,082 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 154 mSDsluCounter, 1424 mSDsCounter, 0 mSdLazyCounter, 6566 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 6586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 6566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:06,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 1490 Invalid, 6586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 6566 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-07 20:41:06,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12759 states. [2024-11-07 20:41:06,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12759 to 12451. [2024-11-07 20:41:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12451 states, 11667 states have (on average 1.038656038398903) internal successors, (12118), 11669 states have internal predecessors, (12118), 779 states have call successors, (779), 2 states have call predecessors, (779), 2 states have return successors, (779), 779 states have call predecessors, (779), 779 states have call successors, (779) [2024-11-07 20:41:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12451 states to 12451 states and 13676 transitions. [2024-11-07 20:41:06,675 INFO L78 Accepts]: Start accepts. Automaton has 12451 states and 13676 transitions. Word has length 296 [2024-11-07 20:41:06,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:06,675 INFO L471 AbstractCegarLoop]: Abstraction has 12451 states and 13676 transitions. [2024-11-07 20:41:06,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 33 states have (on average 6.818181818181818) internal successors, (225), 34 states have internal predecessors, (225), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:41:06,675 INFO L276 IsEmpty]: Start isEmpty. Operand 12451 states and 13676 transitions. [2024-11-07 20:41:06,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-07 20:41:06,679 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:06,679 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:06,693 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-07 20:41:06,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:06,880 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:06,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:06,880 INFO L85 PathProgramCache]: Analyzing trace with hash -1328479445, now seen corresponding path program 14 times [2024-11-07 20:41:06,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:06,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683747141] [2024-11-07 20:41:06,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:06,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:41:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:41:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:41:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:41:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:41:07,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:41:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:41:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:41:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:41:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:41:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:41:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 20:41:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 20:41:07,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 20:41:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 20:41:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 20:41:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:07,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 736 proven. 460 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-07 20:41:07,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:07,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683747141] [2024-11-07 20:41:07,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683747141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:07,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602245267] [2024-11-07 20:41:07,090 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:41:07,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:07,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:07,093 INFO L229 MonitoredProcess]: Starting monitored process 35 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 20:41:07,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-07 20:41:07,179 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:41:07,179 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:07,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:41:07,184 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:07,438 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 1024 proven. 332 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2024-11-07 20:41:07,439 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1706 backedges. 694 proven. 502 refuted. 0 times theorem prover too weak. 510 trivial. 0 not checked. [2024-11-07 20:41:07,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602245267] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:41:07,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:41:07,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2024-11-07 20:41:07,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265804227] [2024-11-07 20:41:07,686 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:07,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-07 20:41:07,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:07,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-07 20:41:07,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:41:07,687 INFO L87 Difference]: Start difference. First operand 12451 states and 13676 transitions. Second operand has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-07 20:41:08,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:08,439 INFO L93 Difference]: Finished difference Result 14220 states and 15599 transitions. [2024-11-07 20:41:08,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:41:08,439 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) Word has length 296 [2024-11-07 20:41:08,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:08,453 INFO L225 Difference]: With dead ends: 14220 [2024-11-07 20:41:08,453 INFO L226 Difference]: Without dead ends: 12941 [2024-11-07 20:41:08,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 635 GetRequests, 611 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:41:08,456 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 19 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:08,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 221 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:41:08,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12941 states. [2024-11-07 20:41:09,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12941 to 12428. [2024-11-07 20:41:09,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12428 states, 11645 states have (on average 1.038643194504079) internal successors, (12095), 11647 states have internal predecessors, (12095), 778 states have call successors, (778), 2 states have call predecessors, (778), 2 states have return successors, (778), 778 states have call predecessors, (778), 778 states have call successors, (778) [2024-11-07 20:41:09,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12428 states to 12428 states and 13651 transitions. [2024-11-07 20:41:09,121 INFO L78 Accepts]: Start accepts. Automaton has 12428 states and 13651 transitions. Word has length 296 [2024-11-07 20:41:09,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:09,121 INFO L471 AbstractCegarLoop]: Abstraction has 12428 states and 13651 transitions. [2024-11-07 20:41:09,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 15.125) internal successors, (242), 16 states have internal predecessors, (242), 16 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 16 states have call predecessors, (18), 16 states have call successors, (18) [2024-11-07 20:41:09,121 INFO L276 IsEmpty]: Start isEmpty. Operand 12428 states and 13651 transitions. [2024-11-07 20:41:09,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-07 20:41:09,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:09,124 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 13, 13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:09,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-07 20:41:09,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-07 20:41:09,325 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:09,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:09,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2142969626, now seen corresponding path program 15 times [2024-11-07 20:41:09,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:09,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347971466] [2024-11-07 20:41:09,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:09,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:41:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 20:41:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 20:41:09,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 20:41:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-07 20:41:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-07 20:41:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 20:41:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-07 20:41:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-07 20:41:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-07 20:41:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-11-07 20:41:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-11-07 20:41:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-07 20:41:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2024-11-07 20:41:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-11-07 20:41:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2024-11-07 20:41:09,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2024-11-07 20:41:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:09,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 387 proven. 1234 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2024-11-07 20:41:09,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347971466] [2024-11-07 20:41:09,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347971466] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:09,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [989047481] [2024-11-07 20:41:09,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:41:09,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:09,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:09,683 INFO L229 MonitoredProcess]: Starting monitored process 36 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 20:41:09,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-07 20:41:09,757 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-11-07 20:41:09,757 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:09,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:41:09,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:10,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 0 proven. 1201 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2024-11-07 20:41:10,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:10,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [989047481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:10,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:41:10,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 11] total 28 [2024-11-07 20:41:10,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623569874] [2024-11-07 20:41:10,606 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:10,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 20:41:10,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:10,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 20:41:10,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=792, Unknown=0, NotChecked=0, Total=930 [2024-11-07 20:41:10,608 INFO L87 Difference]: Start difference. First operand 12428 states and 13651 transitions. Second operand has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-07 20:41:13,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:13,025 INFO L93 Difference]: Finished difference Result 23132 states and 25508 transitions. [2024-11-07 20:41:13,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-11-07 20:41:13,025 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 316 [2024-11-07 20:41:13,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:13,046 INFO L225 Difference]: With dead ends: 23132 [2024-11-07 20:41:13,047 INFO L226 Difference]: Without dead ends: 17972 [2024-11-07 20:41:13,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 350 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1613 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=664, Invalid=5036, Unknown=0, NotChecked=0, Total=5700 [2024-11-07 20:41:13,057 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 513 mSDsluCounter, 1598 mSDsCounter, 0 mSdLazyCounter, 3978 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 513 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 3978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:13,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [513 Valid, 1758 Invalid, 4023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 3978 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 20:41:13,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17972 states. [2024-11-07 20:41:13,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17972 to 14350. [2024-11-07 20:41:13,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 13447 states have (on average 1.0347289358221166) internal successors, (13914), 13449 states have internal predecessors, (13914), 898 states have call successors, (898), 2 states have call predecessors, (898), 2 states have return successors, (898), 898 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-07 20:41:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 15710 transitions. [2024-11-07 20:41:13,662 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 15710 transitions. Word has length 316 [2024-11-07 20:41:13,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:13,662 INFO L471 AbstractCegarLoop]: Abstraction has 14350 states and 15710 transitions. [2024-11-07 20:41:13,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.071428571428571) internal successors, (366), 28 states have internal predecessors, (366), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-07 20:41:13,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 15710 transitions. [2024-11-07 20:41:13,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-07 20:41:13,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:13,667 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 12, 12, 12, 12, 12, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:13,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-07 20:41:13,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:13,868 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:13,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:13,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1923062448, now seen corresponding path program 16 times [2024-11-07 20:41:13,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:13,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567243554] [2024-11-07 20:41:13,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:13,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:13,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110013354] [2024-11-07 20:41:13,895 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-07 20:41:13,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:13,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:13,897 INFO L229 MonitoredProcess]: Starting monitored process 37 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 20:41:13,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-07 20:41:13,998 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-07 20:41:13,999 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:14,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-07 20:41:14,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 63 proven. 1530 refuted. 0 times theorem prover too weak. 412 trivial. 0 not checked. [2024-11-07 20:41:16,614 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:16,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567243554] [2024-11-07 20:41:16,918 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:41:16,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110013354] [2024-11-07 20:41:16,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110013354] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:16,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:41:16,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2024-11-07 20:41:16,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660966510] [2024-11-07 20:41:16,918 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:16,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-07 20:41:16,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:16,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-07 20:41:16,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=830, Unknown=0, NotChecked=0, Total=930 [2024-11-07 20:41:16,919 INFO L87 Difference]: Start difference. First operand 14350 states and 15710 transitions. Second operand has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-07 20:41:20,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:20,181 INFO L93 Difference]: Finished difference Result 14805 states and 16205 transitions. [2024-11-07 20:41:20,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-07 20:41:20,181 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) Word has length 316 [2024-11-07 20:41:20,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:20,203 INFO L225 Difference]: With dead ends: 14805 [2024-11-07 20:41:20,203 INFO L226 Difference]: Without dead ends: 14580 [2024-11-07 20:41:20,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=385, Invalid=2371, Unknown=0, NotChecked=0, Total=2756 [2024-11-07 20:41:20,213 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 163 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 681 SdHoareTripleChecker+Invalid, 2327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:20,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 681 Invalid, 2327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 20:41:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14580 states. [2024-11-07 20:41:20,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14580 to 14350. [2024-11-07 20:41:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 13447 states have (on average 1.034580203762921) internal successors, (13912), 13449 states have internal predecessors, (13912), 898 states have call successors, (898), 2 states have call predecessors, (898), 2 states have return successors, (898), 898 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-07 20:41:20,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 15708 transitions. [2024-11-07 20:41:20,861 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 15708 transitions. Word has length 316 [2024-11-07 20:41:20,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:20,862 INFO L471 AbstractCegarLoop]: Abstraction has 14350 states and 15708 transitions. [2024-11-07 20:41:20,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 7.222222222222222) internal successors, (195), 28 states have internal predecessors, (195), 13 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 13 states have call predecessors, (15), 13 states have call successors, (15) [2024-11-07 20:41:20,862 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 15708 transitions. [2024-11-07 20:41:20,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-07 20:41:20,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:20,866 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:20,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-07 20:41:21,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:21,071 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:21,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:21,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1531816124, now seen corresponding path program 17 times [2024-11-07 20:41:21,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:21,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265362909] [2024-11-07 20:41:21,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:21,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:21,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1139612459] [2024-11-07 20:41:21,092 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-07 20:41:21,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:21,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:21,097 INFO L229 MonitoredProcess]: Starting monitored process 38 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 20:41:21,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-07 20:41:21,226 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-07 20:41:21,226 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:21,228 INFO L255 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-07 20:41:21,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1949 backedges. 72 proven. 1561 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2024-11-07 20:41:22,760 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:23,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:23,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265362909] [2024-11-07 20:41:23,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:41:23,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139612459] [2024-11-07 20:41:23,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139612459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:23,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:41:23,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2024-11-07 20:41:23,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521978437] [2024-11-07 20:41:23,039 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:23,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-07 20:41:23,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:23,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-07 20:41:23,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1331, Unknown=0, NotChecked=0, Total=1560 [2024-11-07 20:41:23,040 INFO L87 Difference]: Start difference. First operand 14350 states and 15708 transitions. Second operand has 38 states, 37 states have (on average 6.0) internal successors, (222), 38 states have internal predecessors, (222), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:41:24,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:24,833 INFO L93 Difference]: Finished difference Result 14935 states and 16328 transitions. [2024-11-07 20:41:24,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2024-11-07 20:41:24,834 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 6.0) internal successors, (222), 38 states have internal predecessors, (222), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) Word has length 316 [2024-11-07 20:41:24,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:24,850 INFO L225 Difference]: With dead ends: 14935 [2024-11-07 20:41:24,850 INFO L226 Difference]: Without dead ends: 14934 [2024-11-07 20:41:24,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 933 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=732, Invalid=3690, Unknown=0, NotChecked=0, Total=4422 [2024-11-07 20:41:24,856 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 92 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 1623 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 1636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:24,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 415 Invalid, 1636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1623 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:41:24,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14934 states. [2024-11-07 20:41:25,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14934 to 14350. [2024-11-07 20:41:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14350 states, 13447 states have (on average 1.0345058377333234) internal successors, (13911), 13449 states have internal predecessors, (13911), 898 states have call successors, (898), 2 states have call predecessors, (898), 2 states have return successors, (898), 898 states have call predecessors, (898), 898 states have call successors, (898) [2024-11-07 20:41:25,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14350 states to 14350 states and 15707 transitions. [2024-11-07 20:41:25,437 INFO L78 Accepts]: Start accepts. Automaton has 14350 states and 15707 transitions. Word has length 316 [2024-11-07 20:41:25,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:25,437 INFO L471 AbstractCegarLoop]: Abstraction has 14350 states and 15707 transitions. [2024-11-07 20:41:25,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 6.0) internal successors, (222), 38 states have internal predecessors, (222), 15 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 14 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-07 20:41:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 14350 states and 15707 transitions. [2024-11-07 20:41:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-07 20:41:25,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:25,441 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 14, 14, 14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:25,454 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-11-07 20:41:25,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:25,642 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1477694539, now seen corresponding path program 18 times [2024-11-07 20:41:25,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:25,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281873837] [2024-11-07 20:41:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:25,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:25,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1921840371] [2024-11-07 20:41:25,713 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-07 20:41:25,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:25,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:25,722 INFO L229 MonitoredProcess]: Starting monitored process 39 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 20:41:25,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-07 20:41:26,120 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-11-07 20:41:26,121 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:41:26,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-07 20:41:26,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:41:26,788 INFO L134 CoverageAnalysis]: Checked inductivity of 2340 backedges. 0 proven. 1436 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2024-11-07 20:41:26,788 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:41:27,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:41:27,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281873837] [2024-11-07 20:41:27,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:41:27,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921840371] [2024-11-07 20:41:27,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921840371] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:41:27,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:41:27,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:41:27,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251308677] [2024-11-07 20:41:27,005 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:41:27,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:41:27,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:41:27,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:41:27,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:41:27,006 INFO L87 Difference]: Start difference. First operand 14350 states and 15707 transitions. Second operand has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 13 states have internal predecessors, (152), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:41:27,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:41:27,972 INFO L93 Difference]: Finished difference Result 14961 states and 16378 transitions. [2024-11-07 20:41:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:41:27,973 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 13 states have internal predecessors, (152), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 336 [2024-11-07 20:41:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:41:27,989 INFO L225 Difference]: With dead ends: 14961 [2024-11-07 20:41:27,989 INFO L226 Difference]: Without dead ends: 14960 [2024-11-07 20:41:27,992 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 334 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:41:27,993 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 19 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 1269 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 643 SdHoareTripleChecker+Invalid, 1269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:41:27,993 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 643 Invalid, 1269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1269 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:41:27,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14960 states. [2024-11-07 20:41:28,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14960 to 14462. [2024-11-07 20:41:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14462 states, 13552 states have (on average 1.0342384887839433) internal successors, (14016), 13554 states have internal predecessors, (14016), 905 states have call successors, (905), 2 states have call predecessors, (905), 2 states have return successors, (905), 905 states have call predecessors, (905), 905 states have call successors, (905) [2024-11-07 20:41:28,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14462 states to 14462 states and 15826 transitions. [2024-11-07 20:41:28,709 INFO L78 Accepts]: Start accepts. Automaton has 14462 states and 15826 transitions. Word has length 336 [2024-11-07 20:41:28,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:41:28,709 INFO L471 AbstractCegarLoop]: Abstraction has 14462 states and 15826 transitions. [2024-11-07 20:41:28,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.666666666666666) internal successors, (152), 13 states have internal predecessors, (152), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-07 20:41:28,709 INFO L276 IsEmpty]: Start isEmpty. Operand 14462 states and 15826 transitions. [2024-11-07 20:41:28,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2024-11-07 20:41:28,712 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:41:28,713 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:41:28,725 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-07 20:41:28,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-07 20:41:28,913 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-07 20:41:28,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:41:28,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1897635657, now seen corresponding path program 19 times [2024-11-07 20:41:28,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:41:28,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303211502] [2024-11-07 20:41:28,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:41:28,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:41:28,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:41:28,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1924997798] [2024-11-07 20:41:28,939 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-07 20:41:28,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:41:28,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:41:28,944 INFO L229 MonitoredProcess]: Starting monitored process 40 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 20:41:28,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-07 20:41:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:41:29,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-11-07 20:41:29,070 INFO L278 TraceCheckSpWp]: Computing forward predicates...