./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_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/egcd2-ll_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', 'ab50d4c44616d850baf388e04d7eb1063c3cea27d21c9cbb628b158ef2bdff42'] 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/egcd2-ll_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 ab50d4c44616d850baf388e04d7eb1063c3cea27d21c9cbb628b158ef2bdff42 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:22:19,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:22:19,604 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:22:19,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:22:19,613 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:22:19,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:22:19,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:22:19,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:22:19,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:22:19,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:22:19,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:22:19,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:22:19,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:22:19,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:22:19,629 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:22:19,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:22:19,631 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:22:19,631 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:22:19,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:22:19,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:22:19,633 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:22:19,633 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:22:19,634 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:22:19,634 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:22:19,635 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:22:19,635 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:22:19,635 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:22:19,635 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 -> ab50d4c44616d850baf388e04d7eb1063c3cea27d21c9cbb628b158ef2bdff42 [2024-11-07 20:22:19,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:22:19,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:22:19,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:22:19,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:22:19,874 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:22:19,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound5.c [2024-11-07 20:22:21,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:22:21,231 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:22:21,232 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound5.c [2024-11-07 20:22:21,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e33fe2c0/0bf734136edf4fc4a542ddf38cb01a8d/FLAG6de8b5731 [2024-11-07 20:22:21,621 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6e33fe2c0/0bf734136edf4fc4a542ddf38cb01a8d [2024-11-07 20:22:21,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:22:21,627 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:22:21,628 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:22:21,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:22:21,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:22:21,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109d2e26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21, skipping insertion in model container [2024-11-07 20:22:21,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:22:21,749 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:22:21,754 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:22:21,768 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:22:21,777 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:22:21,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21 WrapperNode [2024-11-07 20:22:21,778 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:22:21,779 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:22:21,779 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:22:21,779 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:22:21,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,814 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-11-07 20:22:21,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:22:21,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:22:21,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:22:21,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:22:21,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,837 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 20:22:21,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,839 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,849 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:22:21,856 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:22:21,856 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:22:21,857 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:22:21,857 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (1/1) ... [2024-11-07 20:22:21,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:22:21,872 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:21,886 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 20:22:21,888 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 20:22:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:22:21,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:22:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:22:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:22:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:22:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:22:21,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:22:21,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:22:21,965 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:22:21,967 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:22:22,648 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-07 20:22:22,648 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:22:22,657 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:22:22,657 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:22:22,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:22 BoogieIcfgContainer [2024-11-07 20:22:22,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:22:22,659 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:22:22,659 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:22:22,662 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:22:22,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:22:21" (1/3) ... [2024-11-07 20:22:22,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b222b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:22, skipping insertion in model container [2024-11-07 20:22:22,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:21" (2/3) ... [2024-11-07 20:22:22,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@668b222b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:22, skipping insertion in model container [2024-11-07 20:22:22,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:22" (3/3) ... [2024-11-07 20:22:22,664 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound5.c [2024-11-07 20:22:22,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:22:22,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-07 20:22:22,707 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:22:22,718 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;@cb716e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:22:22,719 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-07 20:22:22,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:22:22,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:22:22,728 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:22,728 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:22,728 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:22,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:22,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1839957436, now seen corresponding path program 1 times [2024-11-07 20:22:22,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:22,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766619063] [2024-11-07 20:22:22,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:22,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:22,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,863 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:22:22,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:22,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766619063] [2024-11-07 20:22:22,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766619063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:22,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:22,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:22,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67350495] [2024-11-07 20:22:22,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:22,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:22:22,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:22,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:22:22,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:22:22,885 INFO L87 Difference]: Start difference. First operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:22:22,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:22,905 INFO L93 Difference]: Finished difference Result 321 states and 367 transitions. [2024-11-07 20:22:22,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:22:22,907 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-07 20:22:22,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:22,911 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:22,911 INFO L226 Difference]: Without dead ends: 155 [2024-11-07 20:22:22,914 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:22:22,917 INFO L432 NwaCegarLoop]: 172 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, 172 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 20:22:22,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:22:22,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-07 20:22:22,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-07 20:22:22,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 79 states have (on average 1.8101265822784811) internal successors, (143), 142 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2024-11-07 20:22:22,951 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 25 [2024-11-07 20:22:22,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:22,951 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2024-11-07 20:22:22,951 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:22:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-07 20:22:22,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:22:22,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:22,953 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:22,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:22:22,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:22,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:22,953 INFO L85 PathProgramCache]: Analyzing trace with hash 591615616, now seen corresponding path program 1 times [2024-11-07 20:22:22,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:22,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436552417] [2024-11-07 20:22:22,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:22,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:22,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1379394568] [2024-11-07 20:22:22,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:22,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:22,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:22,987 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 20:22:22,988 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 20:22:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:23,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:22:23,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:22:23,165 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:23,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:23,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436552417] [2024-11-07 20:22:23,166 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:23,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379394568] [2024-11-07 20:22:23,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379394568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:23,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:23,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:22:23,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787083642] [2024-11-07 20:22:23,167 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:23,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:23,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:23,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:23,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:22:23,168 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:23,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:23,554 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-07 20:22:23,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:23,556 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-07 20:22:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:23,557 INFO L225 Difference]: With dead ends: 155 [2024-11-07 20:22:23,557 INFO L226 Difference]: Without dead ends: 153 [2024-11-07 20:22:23,557 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:22:23,558 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 196 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:23,558 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 227 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-07 20:22:23,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-07 20:22:23,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 79 states have (on average 1.7848101265822784) internal successors, (141), 140 states have internal predecessors, (141), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:23,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-07 20:22:23,566 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 25 [2024-11-07 20:22:23,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:23,567 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-07 20:22:23,567 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:23,567 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-07 20:22:23,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:22:23,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:23,567 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:23,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:22:23,771 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 20:22:23,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:23,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:23,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1160214954, now seen corresponding path program 1 times [2024-11-07 20:22:23,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:23,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770598640] [2024-11-07 20:22:23,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:23,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:23,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [21633278] [2024-11-07 20:22:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:23,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:23,802 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 20:22:23,808 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 20:22:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:23,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:22:23,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:23,962 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:22:23,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:24,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:24,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770598640] [2024-11-07 20:22:24,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:24,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21633278] [2024-11-07 20:22:24,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21633278] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:24,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:24,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:22:24,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949391848] [2024-11-07 20:22:24,238 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:24,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:24,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:24,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:24,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:22:24,239 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 20:22:24,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:24,580 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-11-07 20:22:24,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:24,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 26 [2024-11-07 20:22:24,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:24,581 INFO L225 Difference]: With dead ends: 153 [2024-11-07 20:22:24,582 INFO L226 Difference]: Without dead ends: 152 [2024-11-07 20:22:24,582 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:22:24,582 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 103 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:24,583 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 244 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:24,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-07 20:22:24,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-07 20:22:24,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:24,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-11-07 20:22:24,594 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 26 [2024-11-07 20:22:24,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:24,594 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-11-07 20:22:24,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 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 20:22:24,594 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-11-07 20:22:24,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:22:24,594 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:24,594 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 20:22:24,610 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 20:22:24,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:24,796 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:24,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:24,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1342616358, now seen corresponding path program 1 times [2024-11-07 20:22:24,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:24,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693258970] [2024-11-07 20:22:24,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:24,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:24,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,986 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:24,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:24,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693258970] [2024-11-07 20:22:24,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693258970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:24,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031087016] [2024-11-07 20:22:24,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:24,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:24,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:24,988 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 20:22:24,989 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 20:22:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:25,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:25,059 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:25,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031087016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:25,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:25,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-07 20:22:25,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513661615] [2024-11-07 20:22:25,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:25,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:25,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:25,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:25,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:25,060 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:25,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:25,412 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2024-11-07 20:22:25,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:25,413 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-07 20:22:25,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:25,414 INFO L225 Difference]: With dead ends: 258 [2024-11-07 20:22:25,414 INFO L226 Difference]: Without dead ends: 248 [2024-11-07 20:22:25,414 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:25,415 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 89 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:25,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 220 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:25,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-07 20:22:25,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 205. [2024-11-07 20:22:25,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.7578125) internal successors, (225), 187 states have internal predecessors, (225), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:22:25,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-07 20:22:25,429 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 41 [2024-11-07 20:22:25,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:25,430 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-07 20:22:25,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-07 20:22:25,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:22:25,431 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:25,431 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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 20:22:25,442 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 20:22:25,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:25,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:25,635 INFO L85 PathProgramCache]: Analyzing trace with hash -1328567401, now seen corresponding path program 1 times [2024-11-07 20:22:25,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093813413] [2024-11-07 20:22:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:25,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618607239] [2024-11-07 20:22:25,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:25,654 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 20:22:25,655 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 20:22:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:25,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:25,701 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:25,702 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:25,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093813413] [2024-11-07 20:22:25,702 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:25,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618607239] [2024-11-07 20:22:25,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618607239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:25,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:25,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:25,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289465856] [2024-11-07 20:22:25,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:25,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:25,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:25,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:25,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:25,703 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:22:25,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:25,795 INFO L93 Difference]: Finished difference Result 351 states and 451 transitions. [2024-11-07 20:22:25,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:25,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2024-11-07 20:22:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:25,798 INFO L225 Difference]: With dead ends: 351 [2024-11-07 20:22:25,799 INFO L226 Difference]: Without dead ends: 343 [2024-11-07 20:22:25,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 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 20:22:25,800 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:25,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 274 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:25,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-07 20:22:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 304. [2024-11-07 20:22:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:25,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-11-07 20:22:25,817 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-11-07 20:22:25,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:25,818 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-11-07 20:22:25,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:22:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-11-07 20:22:25,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:22:25,818 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:25,819 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 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 20:22:25,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:22:26,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:26,023 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:26,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1764137224, now seen corresponding path program 1 times [2024-11-07 20:22:26,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:26,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18506774] [2024-11-07 20:22:26,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:26,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:26,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18506774] [2024-11-07 20:22:26,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18506774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:26,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5819861] [2024-11-07 20:22:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:26,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:26,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:26,146 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 20:22:26,148 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 20:22:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,212 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:26,213 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:26,274 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:26,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:26,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5819861] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:26,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:26,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:26,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254180211] [2024-11-07 20:22:26,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:26,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:26,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:26,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:26,275 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:26,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:26,739 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-11-07 20:22:26,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:26,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-07 20:22:26,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:26,742 INFO L225 Difference]: With dead ends: 323 [2024-11-07 20:22:26,743 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 20:22:26,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:26,744 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 59 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:26,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 203 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:26,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 20:22:26,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 305. [2024-11-07 20:22:26,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.759090909090909) internal successors, (387), 279 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2024-11-07 20:22:26,760 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 43 [2024-11-07 20:22:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:26,760 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2024-11-07 20:22:26,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:26,761 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2024-11-07 20:22:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:22:26,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:26,761 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 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 20:22:26,774 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 20:22:26,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:26,966 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:26,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:26,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1147983047, now seen corresponding path program 1 times [2024-11-07 20:22:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:26,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583933250] [2024-11-07 20:22:26,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:26,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:27,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:27,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:27,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:27,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583933250] [2024-11-07 20:22:27,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583933250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:27,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090229995] [2024-11-07 20:22:27,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:27,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:27,139 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 20:22:27,140 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 20:22:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:27,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:22:27,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:27,243 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:27,244 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:27,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090229995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:27,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:27,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 20:22:27,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567613360] [2024-11-07 20:22:27,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:27,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:27,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:27,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:22:27,245 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:28,140 INFO L93 Difference]: Finished difference Result 386 states and 453 transitions. [2024-11-07 20:22:28,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:28,141 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-07 20:22:28,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:28,142 INFO L225 Difference]: With dead ends: 386 [2024-11-07 20:22:28,142 INFO L226 Difference]: Without dead ends: 385 [2024-11-07 20:22:28,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:22:28,143 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 424 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:28,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 315 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:22:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-07 20:22:28,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 305. [2024-11-07 20:22:28,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-11-07 20:22:28,155 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 44 [2024-11-07 20:22:28,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:28,155 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-11-07 20:22:28,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-11-07 20:22:28,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:22:28,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:28,156 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 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 20:22:28,169 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 20:22:28,356 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,SelfDestructingSolverStorable6 [2024-11-07 20:22:28,356 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:28,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:28,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1146320713, now seen corresponding path program 1 times [2024-11-07 20:22:28,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:28,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283303951] [2024-11-07 20:22:28,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:28,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:28,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,422 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:28,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:28,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283303951] [2024-11-07 20:22:28,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283303951] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:28,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142595309] [2024-11-07 20:22:28,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:28,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:28,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:28,425 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 20:22:28,426 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 20:22:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:28,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:28,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:28,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142595309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:28,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:28,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:28,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079668170] [2024-11-07 20:22:28,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:28,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:28,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:28,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:28,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:28,517 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:28,964 INFO L93 Difference]: Finished difference Result 323 states and 452 transitions. [2024-11-07 20:22:28,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:28,965 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-07 20:22:28,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:28,969 INFO L225 Difference]: With dead ends: 323 [2024-11-07 20:22:28,970 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 20:22:28,970 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:28,970 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 58 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:28,970 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 204 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:28,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 20:22:28,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 306. [2024-11-07 20:22:28,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.751131221719457) internal successors, (387), 280 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:28,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 433 transitions. [2024-11-07 20:22:28,980 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 433 transitions. Word has length 44 [2024-11-07 20:22:28,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:28,980 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 433 transitions. [2024-11-07 20:22:28,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 433 transitions. [2024-11-07 20:22:28,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:22:28,981 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:28,981 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 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 20:22:28,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:22:29,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:29,185 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:29,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:29,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1227736010, now seen corresponding path program 1 times [2024-11-07 20:22:29,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:29,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839182980] [2024-11-07 20:22:29,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:29,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:29,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:29,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1162100821] [2024-11-07 20:22:29,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:29,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:29,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:29,205 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 20:22:29,206 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 20:22:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:29,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:22:29,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:29,292 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:29,292 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:29,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:29,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839182980] [2024-11-07 20:22:29,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:29,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162100821] [2024-11-07 20:22:29,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162100821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:29,292 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:29,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:29,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562232214] [2024-11-07 20:22:29,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:29,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:29,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:29,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:29,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:29,293 INFO L87 Difference]: Start difference. First operand 306 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:29,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:29,957 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2024-11-07 20:22:29,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:29,957 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-07 20:22:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:29,959 INFO L225 Difference]: With dead ends: 385 [2024-11-07 20:22:29,959 INFO L226 Difference]: Without dead ends: 384 [2024-11-07 20:22:29,959 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:29,959 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 463 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:29,959 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 287 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:22:29,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-07 20:22:29,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 306. [2024-11-07 20:22:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.746606334841629) internal successors, (386), 280 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:29,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-07 20:22:29,968 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 45 [2024-11-07 20:22:29,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:29,969 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-07 20:22:29,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:29,969 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-07 20:22:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:22:29,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:29,970 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 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 20:22:29,981 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 20:22:30,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:30,173 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:30,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:30,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1176203542, now seen corresponding path program 1 times [2024-11-07 20:22:30,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:30,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226571450] [2024-11-07 20:22:30,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:30,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:30,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:30,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:30,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:30,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,247 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:30,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:30,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226571450] [2024-11-07 20:22:30,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226571450] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:30,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597677910] [2024-11-07 20:22:30,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:30,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:30,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:30,252 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 20:22:30,253 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 20:22:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:30,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:30,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:30,315 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:30,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597677910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:30,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:30,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:30,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621889897] [2024-11-07 20:22:30,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:30,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:30,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:30,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:30,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:30,316 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:31,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:31,491 INFO L93 Difference]: Finished difference Result 355 states and 460 transitions. [2024-11-07 20:22:31,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:31,492 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-07 20:22:31,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:31,493 INFO L225 Difference]: With dead ends: 355 [2024-11-07 20:22:31,493 INFO L226 Difference]: Without dead ends: 351 [2024-11-07 20:22:31,493 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:31,494 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 96 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:31,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 273 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:22:31,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-07 20:22:31,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 307. [2024-11-07 20:22:31,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.7207207207207207) internal successors, (382), 281 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:31,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2024-11-07 20:22:31,512 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 45 [2024-11-07 20:22:31,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:31,512 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2024-11-07 20:22:31,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:31,512 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2024-11-07 20:22:31,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:22:31,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:31,513 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 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 20:22:31,525 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 20:22:31,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:31,713 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:31,714 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:31,714 INFO L85 PathProgramCache]: Analyzing trace with hash -2102571239, now seen corresponding path program 1 times [2024-11-07 20:22:31,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:31,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871692794] [2024-11-07 20:22:31,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:31,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:31,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,794 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:31,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:31,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871692794] [2024-11-07 20:22:31,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871692794] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:31,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133810732] [2024-11-07 20:22:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:31,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:31,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:31,797 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 20:22:31,801 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 20:22:31,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:31,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:31,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:31,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:31,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133810732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:31,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:31,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:31,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702267827] [2024-11-07 20:22:31,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:31,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:31,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:31,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:31,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:31,940 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:32,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:32,967 INFO L93 Difference]: Finished difference Result 354 states and 454 transitions. [2024-11-07 20:22:32,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:32,968 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-07 20:22:32,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:32,970 INFO L225 Difference]: With dead ends: 354 [2024-11-07 20:22:32,970 INFO L226 Difference]: Without dead ends: 350 [2024-11-07 20:22:32,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:32,971 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 95 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:32,972 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 279 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:22:32,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-07 20:22:32,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 308. [2024-11-07 20:22:32,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 223 states have (on average 1.695067264573991) internal successors, (378), 282 states have internal predecessors, (378), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:32,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 424 transitions. [2024-11-07 20:22:32,984 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 424 transitions. Word has length 46 [2024-11-07 20:22:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:32,984 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 424 transitions. [2024-11-07 20:22:32,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:32,984 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2024-11-07 20:22:32,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 20:22:32,985 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:32,985 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:32,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:33,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:33,185 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:33,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:33,186 INFO L85 PathProgramCache]: Analyzing trace with hash -1607282437, now seen corresponding path program 1 times [2024-11-07 20:22:33,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:33,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689569452] [2024-11-07 20:22:33,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:33,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:33,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [271610485] [2024-11-07 20:22:33,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:33,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:33,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:33,195 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 20:22:33,196 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 20:22:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:33,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:33,249 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:33,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:33,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689569452] [2024-11-07 20:22:33,249 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:33,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271610485] [2024-11-07 20:22:33,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271610485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:33,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:33,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:33,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736122036] [2024-11-07 20:22:33,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:33,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:33,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:33,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:33,250 INFO L87 Difference]: Start difference. First operand 308 states and 424 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:33,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:33,414 INFO L93 Difference]: Finished difference Result 356 states and 448 transitions. [2024-11-07 20:22:33,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:33,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-11-07 20:22:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:33,417 INFO L225 Difference]: With dead ends: 356 [2024-11-07 20:22:33,417 INFO L226 Difference]: Without dead ends: 352 [2024-11-07 20:22:33,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 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 20:22:33,417 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 84 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:33,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 288 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-07 20:22:33,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 313. [2024-11-07 20:22:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6740088105726871) internal successors, (380), 286 states have internal predecessors, (380), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 428 transitions. [2024-11-07 20:22:33,427 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 428 transitions. Word has length 51 [2024-11-07 20:22:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:33,427 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 428 transitions. [2024-11-07 20:22:33,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:33,427 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2024-11-07 20:22:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 20:22:33,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:33,428 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:33,442 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 20:22:33,628 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,SelfDestructingSolverStorable11 [2024-11-07 20:22:33,629 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:33,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:33,629 INFO L85 PathProgramCache]: Analyzing trace with hash 29733890, now seen corresponding path program 1 times [2024-11-07 20:22:33,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:33,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114943947] [2024-11-07 20:22:33,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:22:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,704 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:33,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:33,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114943947] [2024-11-07 20:22:33,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114943947] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:33,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931173919] [2024-11-07 20:22:33,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:33,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:33,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:33,711 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 20:22:33,712 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 20:22:33,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:33,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:33,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:33,814 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:33,814 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:33,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931173919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:33,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:33,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:33,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974184710] [2024-11-07 20:22:33,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:33,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:33,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:33,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:33,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:33,815 INFO L87 Difference]: Start difference. First operand 313 states and 428 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:34,167 INFO L93 Difference]: Finished difference Result 334 states and 432 transitions. [2024-11-07 20:22:34,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:34,169 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-07 20:22:34,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:34,170 INFO L225 Difference]: With dead ends: 334 [2024-11-07 20:22:34,170 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 20:22:34,170 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:34,170 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 166 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:34,171 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 218 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:34,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 20:22:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-07 20:22:34,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 286 states have internal predecessors, (377), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:34,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 425 transitions. [2024-11-07 20:22:34,182 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 425 transitions. Word has length 52 [2024-11-07 20:22:34,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:34,182 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 425 transitions. [2024-11-07 20:22:34,183 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,183 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 425 transitions. [2024-11-07 20:22:34,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:22:34,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:34,183 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:34,196 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 20:22:34,383 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:34,384 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:34,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:34,384 INFO L85 PathProgramCache]: Analyzing trace with hash 921750790, now seen corresponding path program 1 times [2024-11-07 20:22:34,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:34,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691864437] [2024-11-07 20:22:34,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:34,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:34,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:22:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:34,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691864437] [2024-11-07 20:22:34,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691864437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:34,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313417285] [2024-11-07 20:22:34,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:34,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:34,477 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 20:22:34,478 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 20:22:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:34,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:34,565 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:34,566 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:34,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [313417285] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:34,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:34,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:34,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146795253] [2024-11-07 20:22:34,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:34,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:34,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:34,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:34,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:34,567 INFO L87 Difference]: Start difference. First operand 313 states and 425 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:34,810 INFO L93 Difference]: Finished difference Result 334 states and 429 transitions. [2024-11-07 20:22:34,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:34,810 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-07 20:22:34,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:34,811 INFO L225 Difference]: With dead ends: 334 [2024-11-07 20:22:34,812 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 20:22:34,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:34,812 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 229 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:34,812 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 200 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:22:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 20:22:34,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-07 20:22:34,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6475770925110131) internal successors, (374), 286 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:34,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 422 transitions. [2024-11-07 20:22:34,822 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 422 transitions. Word has length 53 [2024-11-07 20:22:34,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:34,822 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 422 transitions. [2024-11-07 20:22:34,822 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, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,822 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 422 transitions. [2024-11-07 20:22:34,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:22:34,823 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:34,823 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:34,836 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 20:22:35,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:35,023 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:35,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:35,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1203545985, now seen corresponding path program 1 times [2024-11-07 20:22:35,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:35,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370565861] [2024-11-07 20:22:35,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:35,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:35,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722888127] [2024-11-07 20:22:35,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:35,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:35,033 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 20:22:35,035 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 20:22:35,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:35,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:35,101 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:35,101 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:35,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:35,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370565861] [2024-11-07 20:22:35,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:35,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722888127] [2024-11-07 20:22:35,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722888127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:35,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:35,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:35,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179017895] [2024-11-07 20:22:35,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:35,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:35,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:35,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:35,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:35,103 INFO L87 Difference]: Start difference. First operand 313 states and 422 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:35,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:35,513 INFO L93 Difference]: Finished difference Result 350 states and 436 transitions. [2024-11-07 20:22:35,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:35,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-07 20:22:35,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:35,515 INFO L225 Difference]: With dead ends: 350 [2024-11-07 20:22:35,515 INFO L226 Difference]: Without dead ends: 348 [2024-11-07 20:22:35,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 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 20:22:35,515 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 137 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:35,515 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 290 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:35,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-07 20:22:35,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 314. [2024-11-07 20:22:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 228 states have (on average 1.6359649122807018) internal successors, (373), 287 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2024-11-07 20:22:35,527 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 55 [2024-11-07 20:22:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:35,527 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2024-11-07 20:22:35,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2024-11-07 20:22:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:22:35,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:35,528 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:35,540 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:35,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:22:35,729 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:35,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:35,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1344780221, now seen corresponding path program 1 times [2024-11-07 20:22:35,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:35,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432334116] [2024-11-07 20:22:35,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:35,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518955715] [2024-11-07 20:22:35,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:35,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:35,746 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 20:22:35,750 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 20:22:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:35,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:35,858 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:35,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:35,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432334116] [2024-11-07 20:22:35,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:35,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518955715] [2024-11-07 20:22:35,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518955715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:35,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:35,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:35,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036103119] [2024-11-07 20:22:35,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:35,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:35,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:35,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:35,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:35,859 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:36,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:36,239 INFO L93 Difference]: Finished difference Result 350 states and 433 transitions. [2024-11-07 20:22:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:36,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-07 20:22:36,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:36,241 INFO L225 Difference]: With dead ends: 350 [2024-11-07 20:22:36,241 INFO L226 Difference]: Without dead ends: 335 [2024-11-07 20:22:36,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 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 20:22:36,242 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:36,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 294 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:36,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-07 20:22:36,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-07 20:22:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6543778801843319) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-07 20:22:36,253 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 56 [2024-11-07 20:22:36,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:36,253 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-07 20:22:36,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-07 20:22:36,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:22:36,254 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:36,254 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:36,268 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 20:22:36,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 20:22:36,455 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:36,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:36,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1270414803, now seen corresponding path program 1 times [2024-11-07 20:22:36,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:36,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270225590] [2024-11-07 20:22:36,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:36,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1389392150] [2024-11-07 20:22:36,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:36,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:36,468 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 20:22:36,469 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 20:22:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:36,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:36,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:22:36,574 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:36,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:36,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270225590] [2024-11-07 20:22:36,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:36,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389392150] [2024-11-07 20:22:36,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389392150] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:36,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:36,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:36,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125266701] [2024-11-07 20:22:36,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:36,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:36,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:36,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:36,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:36,575 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:37,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:37,004 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-07 20:22:37,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:37,005 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-07 20:22:37,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:37,005 INFO L225 Difference]: With dead ends: 326 [2024-11-07 20:22:37,006 INFO L226 Difference]: Without dead ends: 325 [2024-11-07 20:22:37,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 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 20:22:37,006 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 159 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:37,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:37,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-07 20:22:37,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-07 20:22:37,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6497695852534562) internal successors, (358), 276 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-11-07 20:22:37,014 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 64 [2024-11-07 20:22:37,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:37,014 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-11-07 20:22:37,014 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:37,014 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-11-07 20:22:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:22:37,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:37,015 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:37,029 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 20:22:37,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:22:37,215 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:37,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:37,216 INFO L85 PathProgramCache]: Analyzing trace with hash -728153128, now seen corresponding path program 1 times [2024-11-07 20:22:37,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:37,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370266966] [2024-11-07 20:22:37,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:37,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [616940508] [2024-11-07 20:22:37,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:37,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:37,229 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 20:22:37,231 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 20:22:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:37,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:37,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:37,346 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:22:37,346 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:37,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370266966] [2024-11-07 20:22:37,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:37,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616940508] [2024-11-07 20:22:37,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616940508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:37,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:37,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696416571] [2024-11-07 20:22:37,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:37,347 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:37,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:37,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:37,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:37,347 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:37,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:37,688 INFO L93 Difference]: Finished difference Result 326 states and 425 transitions. [2024-11-07 20:22:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:37,689 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-07 20:22:37,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:37,689 INFO L225 Difference]: With dead ends: 326 [2024-11-07 20:22:37,690 INFO L226 Difference]: Without dead ends: 325 [2024-11-07 20:22:37,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 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 20:22:37,690 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 158 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:37,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:37,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-07 20:22:37,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-07 20:22:37,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6451612903225807) internal successors, (357), 276 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:37,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 403 transitions. [2024-11-07 20:22:37,699 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 403 transitions. Word has length 65 [2024-11-07 20:22:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:37,699 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 403 transitions. [2024-11-07 20:22:37,699 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), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 403 transitions. [2024-11-07 20:22:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 20:22:37,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:37,700 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:37,712 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 20:22:37,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:22:37,900 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:37,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:37,900 INFO L85 PathProgramCache]: Analyzing trace with hash 666512659, now seen corresponding path program 1 times [2024-11-07 20:22:37,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:37,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336169838] [2024-11-07 20:22:37,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:37,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [427986668] [2024-11-07 20:22:37,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:37,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:37,912 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 20:22:37,914 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 20:22:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:37,957 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:37,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:38,092 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:38,093 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:38,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:38,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336169838] [2024-11-07 20:22:38,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:38,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427986668] [2024-11-07 20:22:38,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427986668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:38,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:38,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:38,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993859774] [2024-11-07 20:22:38,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:38,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:38,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:38,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:38,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:38,095 INFO L87 Difference]: Start difference. First operand 302 states and 403 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:38,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:38,304 INFO L93 Difference]: Finished difference Result 328 states and 424 transitions. [2024-11-07 20:22:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:38,304 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-07 20:22:38,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:38,305 INFO L225 Difference]: With dead ends: 328 [2024-11-07 20:22:38,305 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 20:22:38,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 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 20:22:38,306 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:38,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 228 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:22:38,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 20:22:38,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-07 20:22:38,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6359447004608294) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:38,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-07 20:22:38,316 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 75 [2024-11-07 20:22:38,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:38,316 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-07 20:22:38,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:38,317 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-07 20:22:38,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 20:22:38,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:38,318 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:38,332 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 20:22:38,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:38,519 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:38,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:38,520 INFO L85 PathProgramCache]: Analyzing trace with hash -812943937, now seen corresponding path program 1 times [2024-11-07 20:22:38,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:38,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30939894] [2024-11-07 20:22:38,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:38,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:38,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1164647336] [2024-11-07 20:22:38,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:38,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:38,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:38,539 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 20:22:38,543 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 20:22:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:38,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:38,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:39,876 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:39,876 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:39,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:39,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30939894] [2024-11-07 20:22:39,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:39,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164647336] [2024-11-07 20:22:39,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164647336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:39,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:39,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:39,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933310972] [2024-11-07 20:22:39,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:39,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:39,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:39,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:39,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-07 20:22:39,877 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:43,885 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:22:45,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:45,291 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2024-11-07 20:22:45,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:45,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-07 20:22:45,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:45,293 INFO L225 Difference]: With dead ends: 328 [2024-11-07 20:22:45,293 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 20:22:45,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-07 20:22:45,293 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 43 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:45,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 327 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 147 Invalid, 2 Unknown, 0 Unchecked, 5.4s Time] [2024-11-07 20:22:45,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 20:22:45,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-07 20:22:45,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 276 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:45,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-07 20:22:45,305 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 76 [2024-11-07 20:22:45,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:45,305 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-07 20:22:45,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:45,305 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-07 20:22:45,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 20:22:45,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:45,306 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:45,319 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 20:22:45,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:45,506 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:45,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:45,506 INFO L85 PathProgramCache]: Analyzing trace with hash 568541845, now seen corresponding path program 1 times [2024-11-07 20:22:45,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:45,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791683444] [2024-11-07 20:22:45,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:45,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:45,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872382172] [2024-11-07 20:22:45,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:45,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:45,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:45,518 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 20:22:45,519 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 20:22:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:45,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:45,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:45,599 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:45,599 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:45,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:45,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791683444] [2024-11-07 20:22:45,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:45,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872382172] [2024-11-07 20:22:45,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872382172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:45,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:45,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:45,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344877777] [2024-11-07 20:22:45,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:45,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:45,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:45,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:45,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:45,600 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:46,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:46,314 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-07 20:22:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:46,314 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-07 20:22:46,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:46,315 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:46,315 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:46,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 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 20:22:46,316 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:46,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 327 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:22:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.608294930875576) internal successors, (349), 276 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-07 20:22:46,326 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 77 [2024-11-07 20:22:46,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:46,326 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-07 20:22:46,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-07 20:22:46,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:22:46,327 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:46,327 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:46,339 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:22:46,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:46,528 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:46,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:46,528 INFO L85 PathProgramCache]: Analyzing trace with hash 444928129, now seen corresponding path program 1 times [2024-11-07 20:22:46,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:46,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450699564] [2024-11-07 20:22:46,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:46,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:46,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2004346289] [2024-11-07 20:22:46,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:46,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:46,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:46,548 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 20:22:46,549 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 20:22:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:46,592 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:46,593 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:46,703 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:46,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:46,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:46,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450699564] [2024-11-07 20:22:46,704 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:46,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2004346289] [2024-11-07 20:22:46,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2004346289] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:46,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:46,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:46,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042981522] [2024-11-07 20:22:46,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:46,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:46,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:46,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:46,704 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:47,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:47,293 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2024-11-07 20:22:47,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:47,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-07 20:22:47,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:47,295 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:47,295 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:47,296 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 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 20:22:47,296 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 90 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:47,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 266 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:22:47,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:47,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5898617511520738) internal successors, (345), 276 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:47,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-07 20:22:47,306 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 78 [2024-11-07 20:22:47,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:47,306 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-07 20:22:47,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:47,306 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-07 20:22:47,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 20:22:47,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:47,307 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:47,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-11-07 20:22:47,507 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,SelfDestructingSolverStorable21 [2024-11-07 20:22:47,507 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:47,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:47,508 INFO L85 PathProgramCache]: Analyzing trace with hash -518360293, now seen corresponding path program 1 times [2024-11-07 20:22:47,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:47,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271970932] [2024-11-07 20:22:47,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:47,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:47,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623988355] [2024-11-07 20:22:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:47,520 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 20:22:47,524 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 20:22:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:47,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:22:47,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:47,738 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:47,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:47,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271970932] [2024-11-07 20:22:47,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:47,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [623988355] [2024-11-07 20:22:47,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [623988355] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:22:47,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:22:47,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-07 20:22:47,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312412245] [2024-11-07 20:22:47,916 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:47,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:22:47,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:47,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:22:47,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:22:47,917 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 20:22:48,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:48,775 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2024-11-07 20:22:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:22:48,775 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 83 [2024-11-07 20:22:48,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:48,776 INFO L225 Difference]: With dead ends: 320 [2024-11-07 20:22:48,776 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:48,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:48,777 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 174 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:48,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 414 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:22:48,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:48,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:48,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.576036866359447) internal successors, (342), 276 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:48,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 388 transitions. [2024-11-07 20:22:48,786 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 388 transitions. Word has length 83 [2024-11-07 20:22:48,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:48,787 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 388 transitions. [2024-11-07 20:22:48,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 20:22:48,787 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 388 transitions. [2024-11-07 20:22:48,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 20:22:48,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:48,787 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:48,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:48,988 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,SelfDestructingSolverStorable22 [2024-11-07 20:22:48,988 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:48,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:48,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1110700231, now seen corresponding path program 1 times [2024-11-07 20:22:48,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:48,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994999236] [2024-11-07 20:22:48,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:48,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:48,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [484828161] [2024-11-07 20:22:48,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:48,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:49,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:49,002 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 20:22:49,004 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 20:22:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:49,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:22:49,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:22:49,254 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:49,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:49,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994999236] [2024-11-07 20:22:49,982 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:49,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484828161] [2024-11-07 20:22:49,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484828161] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:49,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:49,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:22:49,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824546764] [2024-11-07 20:22:49,982 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:49,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:49,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:49,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:49,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:49,983 INFO L87 Difference]: Start difference. First operand 302 states and 388 transitions. Second operand has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:50,233 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-07 20:22:50,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:50,234 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-07 20:22:50,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:50,235 INFO L225 Difference]: With dead ends: 306 [2024-11-07 20:22:50,235 INFO L226 Difference]: Without dead ends: 305 [2024-11-07 20:22:50,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:50,236 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 248 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:50,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 309 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:22:50,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-07 20:22:50,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2024-11-07 20:22:50,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.566820276497696) internal successors, (340), 276 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:50,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-07 20:22:50,246 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 386 transitions. Word has length 84 [2024-11-07 20:22:50,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:50,246 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-07 20:22:50,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:50,247 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 386 transitions. [2024-11-07 20:22:50,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 20:22:50,247 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:50,247 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:50,266 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 20:22:50,447 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,SelfDestructingSolverStorable23 [2024-11-07 20:22:50,448 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:50,448 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:50,448 INFO L85 PathProgramCache]: Analyzing trace with hash 71968925, now seen corresponding path program 1 times [2024-11-07 20:22:50,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:50,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409740704] [2024-11-07 20:22:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:50,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:50,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654257361] [2024-11-07 20:22:50,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:50,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:50,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:50,461 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 20:22:50,462 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 20:22:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:50,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:22:50,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:50,783 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:50,783 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:51,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:51,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409740704] [2024-11-07 20:22:51,339 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:51,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654257361] [2024-11-07 20:22:51,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654257361] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:51,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:51,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:22:51,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302189327] [2024-11-07 20:22:51,339 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:51,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:22:51,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:51,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:22:51,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:51,340 INFO L87 Difference]: Start difference. First operand 302 states and 386 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:51,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:51,872 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2024-11-07 20:22:51,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:22:51,872 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2024-11-07 20:22:51,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:51,873 INFO L225 Difference]: With dead ends: 320 [2024-11-07 20:22:51,873 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 20:22:51,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:51,874 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 183 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:51,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 296 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:51,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 20:22:51,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 302. [2024-11-07 20:22:51,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5391705069124424) internal successors, (334), 276 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:51,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 380 transitions. [2024-11-07 20:22:51,887 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 380 transitions. Word has length 85 [2024-11-07 20:22:51,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:51,887 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 380 transitions. [2024-11-07 20:22:51,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:51,887 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 380 transitions. [2024-11-07 20:22:51,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 20:22:51,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:51,887 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:51,899 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:52,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-07 20:22:52,088 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:52,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:52,088 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930487, now seen corresponding path program 1 times [2024-11-07 20:22:52,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:52,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649724329] [2024-11-07 20:22:52,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:52,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:52,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1876554447] [2024-11-07 20:22:52,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:52,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:52,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:52,100 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 20:22:52,101 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 20:22:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:52,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 20:22:52,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:22:52,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:52,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:52,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649724329] [2024-11-07 20:22:52,644 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:52,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876554447] [2024-11-07 20:22:52,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876554447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:52,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:52,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:22:52,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396698199] [2024-11-07 20:22:52,644 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:52,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:22:52,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:52,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:22:52,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:22:52,645 INFO L87 Difference]: Start difference. First operand 302 states and 380 transitions. Second operand has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:53,115 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2024-11-07 20:22:53,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:22:53,115 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-07 20:22:53,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:53,116 INFO L225 Difference]: With dead ends: 310 [2024-11-07 20:22:53,116 INFO L226 Difference]: Without dead ends: 307 [2024-11-07 20:22:53,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:53,117 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 275 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:53,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 229 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:53,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-07 20:22:53,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2024-11-07 20:22:53,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5115207373271888) internal successors, (328), 276 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 374 transitions. [2024-11-07 20:22:53,128 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 374 transitions. Word has length 86 [2024-11-07 20:22:53,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:53,128 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 374 transitions. [2024-11-07 20:22:53,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 374 transitions. [2024-11-07 20:22:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 20:22:53,129 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:53,129 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:53,141 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-07 20:22:53,329 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,SelfDestructingSolverStorable25 [2024-11-07 20:22:53,329 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:53,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1639846860, now seen corresponding path program 1 times [2024-11-07 20:22:53,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:53,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750123678] [2024-11-07 20:22:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:53,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:53,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:53,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:53,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,378 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:53,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:53,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750123678] [2024-11-07 20:22:53,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750123678] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:53,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:53,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:53,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034732014] [2024-11-07 20:22:53,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:53,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:53,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:53,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:53,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:53,379 INFO L87 Difference]: Start difference. First operand 302 states and 374 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:53,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:53,439 INFO L93 Difference]: Finished difference Result 302 states and 374 transitions. [2024-11-07 20:22:53,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:53,440 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 99 [2024-11-07 20:22:53,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:53,441 INFO L225 Difference]: With dead ends: 302 [2024-11-07 20:22:53,441 INFO L226 Difference]: Without dead ends: 301 [2024-11-07 20:22:53,441 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 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 20:22:53,441 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:53,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 285 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:53,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-07 20:22:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-07 20:22:53,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4930875576036866) internal successors, (324), 275 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2024-11-07 20:22:53,451 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 99 [2024-11-07 20:22:53,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:53,451 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2024-11-07 20:22:53,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:53,451 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2024-11-07 20:22:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 20:22:53,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:53,451 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:53,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 20:22:53,452 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:53,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:53,452 INFO L85 PathProgramCache]: Analyzing trace with hash -704354736, now seen corresponding path program 1 times [2024-11-07 20:22:53,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:53,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806640645] [2024-11-07 20:22:53,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:53,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:53,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:53,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:53,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:53,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:53,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:53,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:53,545 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:53,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:53,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806640645] [2024-11-07 20:22:53,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806640645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:53,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:53,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:22:53,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936229434] [2024-11-07 20:22:53,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:53,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:22:53,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:53,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:22:53,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:22:53,546 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:22:54,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:54,315 INFO L93 Difference]: Finished difference Result 305 states and 371 transitions. [2024-11-07 20:22:54,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:54,320 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-11-07 20:22:54,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:54,321 INFO L225 Difference]: With dead ends: 305 [2024-11-07 20:22:54,322 INFO L226 Difference]: Without dead ends: 304 [2024-11-07 20:22:54,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:54,322 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 421 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:54,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 230 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:22:54,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-07 20:22:54,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-11-07 20:22:54,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4884792626728112) internal successors, (323), 275 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 369 transitions. [2024-11-07 20:22:54,332 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 369 transitions. Word has length 100 [2024-11-07 20:22:54,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:54,332 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 369 transitions. [2024-11-07 20:22:54,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:22:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 369 transitions. [2024-11-07 20:22:54,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 20:22:54,334 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:54,334 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:54,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 20:22:54,334 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:54,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:54,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1718397328, now seen corresponding path program 1 times [2024-11-07 20:22:54,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:54,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87001129] [2024-11-07 20:22:54,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:54,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:54,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:54,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:54,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:54,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:54,420 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:54,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:54,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87001129] [2024-11-07 20:22:54,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87001129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:54,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:54,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:54,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222201292] [2024-11-07 20:22:54,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:54,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:54,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:54,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:54,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:54,422 INFO L87 Difference]: Start difference. First operand 301 states and 369 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:55,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:55,282 INFO L93 Difference]: Finished difference Result 316 states and 380 transitions. [2024-11-07 20:22:55,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:22:55,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-11-07 20:22:55,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:55,283 INFO L225 Difference]: With dead ends: 316 [2024-11-07 20:22:55,283 INFO L226 Difference]: Without dead ends: 315 [2024-11-07 20:22:55,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:55,283 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:55,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:22:55,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-07 20:22:55,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2024-11-07 20:22:55,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 222 states have (on average 1.4774774774774775) internal successors, (328), 280 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:55,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 374 transitions. [2024-11-07 20:22:55,294 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 374 transitions. Word has length 102 [2024-11-07 20:22:55,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:55,294 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 374 transitions. [2024-11-07 20:22:55,294 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:55,294 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 374 transitions. [2024-11-07 20:22:55,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 20:22:55,294 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:55,294 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:55,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 20:22:55,295 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:55,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:55,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1730709788, now seen corresponding path program 1 times [2024-11-07 20:22:55,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:55,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926203048] [2024-11-07 20:22:55,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:55,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:55,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264291964] [2024-11-07 20:22:55,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:55,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:55,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:55,310 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 20:22:55,312 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 20:22:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:55,358 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:55,359 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:55,476 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:55,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:55,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:55,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926203048] [2024-11-07 20:22:55,476 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:55,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264291964] [2024-11-07 20:22:55,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264291964] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:55,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:55,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:55,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398165220] [2024-11-07 20:22:55,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:55,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:55,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:55,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:55,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:55,477 INFO L87 Difference]: Start difference. First operand 306 states and 374 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:55,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:55,874 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2024-11-07 20:22:55,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:55,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2024-11-07 20:22:55,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:55,875 INFO L225 Difference]: With dead ends: 316 [2024-11-07 20:22:55,875 INFO L226 Difference]: Without dead ends: 315 [2024-11-07 20:22:55,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 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 20:22:55,876 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 15 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:55,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 313 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:55,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-07 20:22:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 308. [2024-11-07 20:22:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 282 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 376 transitions. [2024-11-07 20:22:55,886 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 376 transitions. Word has length 103 [2024-11-07 20:22:55,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:55,886 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 376 transitions. [2024-11-07 20:22:55,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:55,886 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 376 transitions. [2024-11-07 20:22:55,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 20:22:55,887 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:55,887 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:55,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:56,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:56,087 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:56,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:56,088 INFO L85 PathProgramCache]: Analyzing trace with hash -703401356, now seen corresponding path program 1 times [2024-11-07 20:22:56,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:56,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413671152] [2024-11-07 20:22:56,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:56,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:56,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764482026] [2024-11-07 20:22:56,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:56,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:56,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:56,101 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 20:22:56,102 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 20:22:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:56,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:22:56,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:56,282 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:22:56,282 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:56,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413671152] [2024-11-07 20:22:56,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:56,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764482026] [2024-11-07 20:22:56,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764482026] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:56,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:56,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:22:56,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727530721] [2024-11-07 20:22:56,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:56,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:22:56,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:56,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:22:56,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:56,322 INFO L87 Difference]: Start difference. First operand 308 states and 376 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:22:56,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:56,642 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2024-11-07 20:22:56,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:22:56,642 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-07 20:22:56,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:56,643 INFO L225 Difference]: With dead ends: 311 [2024-11-07 20:22:56,643 INFO L226 Difference]: Without dead ends: 309 [2024-11-07 20:22:56,643 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:22:56,643 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 198 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:56,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:56,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-07 20:22:56,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2024-11-07 20:22:56,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4642857142857142) internal successors, (328), 282 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:56,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 374 transitions. [2024-11-07 20:22:56,654 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 374 transitions. Word has length 104 [2024-11-07 20:22:56,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:56,654 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 374 transitions. [2024-11-07 20:22:56,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:22:56,654 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 374 transitions. [2024-11-07 20:22:56,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 20:22:56,655 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:56,655 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:56,668 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 20:22:56,857 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,SelfDestructingSolverStorable30 [2024-11-07 20:22:56,857 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:56,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash -330605481, now seen corresponding path program 1 times [2024-11-07 20:22:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:56,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831275859] [2024-11-07 20:22:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:56,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:56,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1965939783] [2024-11-07 20:22:56,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:56,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:56,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:56,868 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 20:22:56,869 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 20:22:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:56,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:22:56,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:57,138 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:57,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831275859] [2024-11-07 20:22:57,338 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965939783] [2024-11-07 20:22:57,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965939783] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:57,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:57,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:22:57,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375064265] [2024-11-07 20:22:57,338 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:57,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:22:57,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:57,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:22:57,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:22:57,339 INFO L87 Difference]: Start difference. First operand 308 states and 374 transitions. Second operand has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:22:57,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:57,833 INFO L93 Difference]: Finished difference Result 358 states and 431 transitions. [2024-11-07 20:22:57,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:22:57,833 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-07 20:22:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:57,834 INFO L225 Difference]: With dead ends: 358 [2024-11-07 20:22:57,834 INFO L226 Difference]: Without dead ends: 356 [2024-11-07 20:22:57,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:22:57,835 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 286 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:57,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 437 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:57,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-07 20:22:57,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-07 20:22:57,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.406015037593985) internal successors, (374), 324 states have internal predecessors, (374), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:22:57,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 428 transitions. [2024-11-07 20:22:57,859 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 428 transitions. Word has length 105 [2024-11-07 20:22:57,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:57,860 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 428 transitions. [2024-11-07 20:22:57,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:22:57,860 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 428 transitions. [2024-11-07 20:22:57,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 20:22:57,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:57,860 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:57,874 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2024-11-07 20:22:58,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:58,061 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:58,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:58,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1506921324, now seen corresponding path program 1 times [2024-11-07 20:22:58,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:58,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566589758] [2024-11-07 20:22:58,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:58,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:58,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:58,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:58,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:58,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566589758] [2024-11-07 20:22:58,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566589758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:58,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:58,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:58,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595970113] [2024-11-07 20:22:58,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:58,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:58,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:58,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:58,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:58,134 INFO L87 Difference]: Start difference. First operand 354 states and 428 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:59,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:59,079 INFO L93 Difference]: Finished difference Result 368 states and 438 transitions. [2024-11-07 20:22:59,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:22:59,080 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-07 20:22:59,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:59,082 INFO L225 Difference]: With dead ends: 368 [2024-11-07 20:22:59,082 INFO L226 Difference]: Without dead ends: 367 [2024-11-07 20:22:59,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:59,082 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:59,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:22:59,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-07 20:22:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 359. [2024-11-07 20:22:59,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.4059040590405905) internal successors, (381), 329 states have internal predecessors, (381), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:22:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 435 transitions. [2024-11-07 20:22:59,094 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 435 transitions. Word has length 106 [2024-11-07 20:22:59,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:59,095 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 435 transitions. [2024-11-07 20:22:59,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:22:59,095 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 435 transitions. [2024-11-07 20:22:59,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 20:22:59,096 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:59,096 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:59,096 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 20:22:59,096 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:59,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:59,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1658835242, now seen corresponding path program 1 times [2024-11-07 20:22:59,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:59,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786320221] [2024-11-07 20:22:59,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:59,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:59,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:59,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:59,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,194 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:59,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:59,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786320221] [2024-11-07 20:22:59,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786320221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:59,194 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:59,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:59,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554010042] [2024-11-07 20:22:59,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:59,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:59,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:59,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:59,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:59,195 INFO L87 Difference]: Start difference. First operand 359 states and 435 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:59,770 INFO L93 Difference]: Finished difference Result 391 states and 435 transitions. [2024-11-07 20:22:59,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:59,770 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 106 [2024-11-07 20:22:59,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:59,772 INFO L225 Difference]: With dead ends: 391 [2024-11-07 20:22:59,772 INFO L226 Difference]: Without dead ends: 390 [2024-11-07 20:22:59,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:59,772 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 134 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:59,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 557 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:59,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-07 20:22:59,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 359. [2024-11-07 20:22:59,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.3948339483394834) internal successors, (378), 329 states have internal predecessors, (378), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:22:59,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 432 transitions. [2024-11-07 20:22:59,785 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 432 transitions. Word has length 106 [2024-11-07 20:22:59,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:59,785 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 432 transitions. [2024-11-07 20:22:59,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:59,785 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 432 transitions. [2024-11-07 20:22:59,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 20:22:59,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:59,786 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:22:59,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 20:22:59,786 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:59,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:59,786 INFO L85 PathProgramCache]: Analyzing trace with hash 530079392, now seen corresponding path program 1 times [2024-11-07 20:22:59,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:59,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998634081] [2024-11-07 20:22:59,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:59,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:59,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1447629657] [2024-11-07 20:22:59,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:59,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:59,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:59,800 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 20:22:59,801 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 20:22:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:59,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:59,982 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:59,982 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:59,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998634081] [2024-11-07 20:22:59,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:59,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447629657] [2024-11-07 20:22:59,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447629657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:59,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:59,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:59,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564933168] [2024-11-07 20:22:59,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:59,983 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:59,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:59,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:59,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:59,984 INFO L87 Difference]: Start difference. First operand 359 states and 432 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:00,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:00,318 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-07 20:23:00,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:00,318 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-07 20:23:00,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:00,320 INFO L225 Difference]: With dead ends: 366 [2024-11-07 20:23:00,320 INFO L226 Difference]: Without dead ends: 365 [2024-11-07 20:23:00,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:00,320 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:00,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 538 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:00,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-07 20:23:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-07 20:23:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.3919413919413919) internal successors, (380), 331 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 434 transitions. [2024-11-07 20:23:00,332 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 434 transitions. Word has length 107 [2024-11-07 20:23:00,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:00,332 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 434 transitions. [2024-11-07 20:23:00,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:00,332 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 434 transitions. [2024-11-07 20:23:00,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 20:23:00,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:00,333 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:00,346 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 20:23:00,533 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 20:23:00,534 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:00,534 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:00,534 INFO L85 PathProgramCache]: Analyzing trace with hash 115715129, now seen corresponding path program 1 times [2024-11-07 20:23:00,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:00,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365942910] [2024-11-07 20:23:00,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:00,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:00,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367691652] [2024-11-07 20:23:00,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:00,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:00,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:00,548 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 20:23:00,549 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 20:23:00,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 20:23:00,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:00,852 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-07 20:23:01,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:01,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365942910] [2024-11-07 20:23:01,048 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:01,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367691652] [2024-11-07 20:23:01,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367691652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:01,048 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:23:01,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-07 20:23:01,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408590839] [2024-11-07 20:23:01,048 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:01,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:23:01,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:01,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:23:01,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:23:01,049 INFO L87 Difference]: Start difference. First operand 361 states and 434 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-07 20:23:02,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:02,230 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-07 20:23:02,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:23:02,230 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 107 [2024-11-07 20:23:02,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:02,232 INFO L225 Difference]: With dead ends: 366 [2024-11-07 20:23:02,232 INFO L226 Difference]: Without dead ends: 365 [2024-11-07 20:23:02,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:23:02,232 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 355 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:02,232 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 647 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:23:02,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-07 20:23:02,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-07 20:23:02,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.380952380952381) internal successors, (377), 331 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:02,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 431 transitions. [2024-11-07 20:23:02,252 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 431 transitions. Word has length 107 [2024-11-07 20:23:02,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:02,252 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 431 transitions. [2024-11-07 20:23:02,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-07 20:23:02,252 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 431 transitions. [2024-11-07 20:23:02,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:23:02,253 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:02,253 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:02,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:02,456 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 20:23:02,456 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:02,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:02,457 INFO L85 PathProgramCache]: Analyzing trace with hash -999523498, now seen corresponding path program 1 times [2024-11-07 20:23:02,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:02,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676043467] [2024-11-07 20:23:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:02,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:02,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:02,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:02,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:02,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,575 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:02,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:02,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676043467] [2024-11-07 20:23:02,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676043467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:02,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062919153] [2024-11-07 20:23:02,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:02,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:02,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:02,577 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 20:23:02,578 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 20:23:02,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:23:02,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:02,703 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:02,703 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:02,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062919153] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:02,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:23:02,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-07 20:23:02,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934509769] [2024-11-07 20:23:02,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:02,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:02,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:02,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:02,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:23:02,795 INFO L87 Difference]: Start difference. First operand 361 states and 431 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-07 20:23:03,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:03,594 INFO L93 Difference]: Finished difference Result 754 states and 867 transitions. [2024-11-07 20:23:03,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:03,594 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 110 [2024-11-07 20:23:03,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:03,596 INFO L225 Difference]: With dead ends: 754 [2024-11-07 20:23:03,596 INFO L226 Difference]: Without dead ends: 725 [2024-11-07 20:23:03,597 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:03,597 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 867 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:03,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 723 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-07 20:23:03,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 517. [2024-11-07 20:23:03,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 417 states have (on average 1.539568345323741) internal successors, (642), 475 states have internal predecessors, (642), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:23:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 720 transitions. [2024-11-07 20:23:03,624 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 720 transitions. Word has length 110 [2024-11-07 20:23:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:03,624 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 720 transitions. [2024-11-07 20:23:03,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-07 20:23:03,624 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 720 transitions. [2024-11-07 20:23:03,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:23:03,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:03,625 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:03,637 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 20:23:03,825 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 20:23:03,825 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:03,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:03,826 INFO L85 PathProgramCache]: Analyzing trace with hash 202257673, now seen corresponding path program 1 times [2024-11-07 20:23:03,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:03,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350399485] [2024-11-07 20:23:03,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:03,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:03,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:04,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:04,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,072 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:04,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:04,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350399485] [2024-11-07 20:23:04,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350399485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:04,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894849174] [2024-11-07 20:23:04,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:04,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:04,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:04,075 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 20:23:04,076 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 20:23:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:23:04,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:04,257 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:04,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894849174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:04,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:04,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-07 20:23:04,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123563014] [2024-11-07 20:23:04,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:04,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:04,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:04,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:04,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:04,258 INFO L87 Difference]: Start difference. First operand 517 states and 720 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:06,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:06,159 INFO L93 Difference]: Finished difference Result 979 states and 1303 transitions. [2024-11-07 20:23:06,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:23:06,159 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-07 20:23:06,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:06,162 INFO L225 Difference]: With dead ends: 979 [2024-11-07 20:23:06,162 INFO L226 Difference]: Without dead ends: 978 [2024-11-07 20:23:06,162 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:23:06,162 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 726 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:06,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 898 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-07 20:23:06,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-07 20:23:06,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 717. [2024-11-07 20:23:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 601 states have (on average 1.6289517470881865) internal successors, (979), 659 states have internal predecessors, (979), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:23:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1089 transitions. [2024-11-07 20:23:06,190 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1089 transitions. Word has length 113 [2024-11-07 20:23:06,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:06,194 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1089 transitions. [2024-11-07 20:23:06,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:06,194 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1089 transitions. [2024-11-07 20:23:06,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 20:23:06,195 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:06,195 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:06,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:06,395 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 20:23:06,395 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:06,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:06,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1975020646, now seen corresponding path program 1 times [2024-11-07 20:23:06,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:06,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508747165] [2024-11-07 20:23:06,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:06,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:06,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499709670] [2024-11-07 20:23:06,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:06,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:06,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:06,410 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 20:23:06,411 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 20:23:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:06,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:23:06,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:06,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:06,645 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:06,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:06,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508747165] [2024-11-07 20:23:06,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:06,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499709670] [2024-11-07 20:23:06,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499709670] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:06,645 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:23:06,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:23:06,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790393662] [2024-11-07 20:23:06,645 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:06,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:23:06,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:06,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:23:06,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:06,646 INFO L87 Difference]: Start difference. First operand 717 states and 1089 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-07 20:23:07,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:07,799 INFO L93 Difference]: Finished difference Result 1128 states and 1681 transitions. [2024-11-07 20:23:07,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:07,800 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 114 [2024-11-07 20:23:07,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:07,802 INFO L225 Difference]: With dead ends: 1128 [2024-11-07 20:23:07,802 INFO L226 Difference]: Without dead ends: 1127 [2024-11-07 20:23:07,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:07,803 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 585 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:07,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 687 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:23:07,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-07 20:23:07,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 876. [2024-11-07 20:23:07,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 748 states have (on average 1.6537433155080214) internal successors, (1237), 806 states have internal predecessors, (1237), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-07 20:23:07,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1371 transitions. [2024-11-07 20:23:07,831 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1371 transitions. Word has length 114 [2024-11-07 20:23:07,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:07,831 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1371 transitions. [2024-11-07 20:23:07,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-07 20:23:07,831 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1371 transitions. [2024-11-07 20:23:07,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 20:23:07,832 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:07,832 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:07,844 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 20:23:08,032 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 20:23:08,033 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:08,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:08,033 INFO L85 PathProgramCache]: Analyzing trace with hash 819993899, now seen corresponding path program 1 times [2024-11-07 20:23:08,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:08,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240569127] [2024-11-07 20:23:08,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:08,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:08,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1854275905] [2024-11-07 20:23:08,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:08,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:08,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:08,051 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 20:23:08,052 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 20:23:08,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:08,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:08,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:08,492 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:08,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:08,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240569127] [2024-11-07 20:23:08,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:08,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1854275905] [2024-11-07 20:23:08,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1854275905] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:08,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:08,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:08,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707270330] [2024-11-07 20:23:08,637 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:08,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:08,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:08,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:08,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:23:08,637 INFO L87 Difference]: Start difference. First operand 876 states and 1371 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:09,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:09,642 INFO L93 Difference]: Finished difference Result 963 states and 1479 transitions. [2024-11-07 20:23:09,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:23:09,643 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-11-07 20:23:09,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:09,646 INFO L225 Difference]: With dead ends: 963 [2024-11-07 20:23:09,646 INFO L226 Difference]: Without dead ends: 960 [2024-11-07 20:23:09,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:23:09,646 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 486 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:09,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 472 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:23:09,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-07 20:23:09,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-07 20:23:09,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.6574307304785894) internal successors, (1316), 852 states have internal predecessors, (1316), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 20:23:09,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1458 transitions. [2024-11-07 20:23:09,683 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1458 transitions. Word has length 120 [2024-11-07 20:23:09,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:09,683 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1458 transitions. [2024-11-07 20:23:09,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:09,684 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1458 transitions. [2024-11-07 20:23:09,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-07 20:23:09,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:09,684 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:09,697 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 20:23:09,885 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 20:23:09,885 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:09,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:09,886 INFO L85 PathProgramCache]: Analyzing trace with hash -349992823, now seen corresponding path program 1 times [2024-11-07 20:23:09,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:09,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019501542] [2024-11-07 20:23:09,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:09,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:09,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:09,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1512734903] [2024-11-07 20:23:09,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:09,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:09,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:09,900 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 20:23:09,901 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 20:23:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:09,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:10,338 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:11,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:11,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019501542] [2024-11-07 20:23:11,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:11,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1512734903] [2024-11-07 20:23:11,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1512734903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:11,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:11,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:11,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729438424] [2024-11-07 20:23:11,233 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:11,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:11,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:11,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:23:11,234 INFO L87 Difference]: Start difference. First operand 926 states and 1458 transitions. Second operand has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:12,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:12,054 INFO L93 Difference]: Finished difference Result 961 states and 1474 transitions. [2024-11-07 20:23:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:23:12,054 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 121 [2024-11-07 20:23:12,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:12,057 INFO L225 Difference]: With dead ends: 961 [2024-11-07 20:23:12,057 INFO L226 Difference]: Without dead ends: 960 [2024-11-07 20:23:12,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:23:12,057 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 634 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:12,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 392 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:12,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-07 20:23:12,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-07 20:23:12,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.654911838790932) internal successors, (1314), 852 states have internal predecessors, (1314), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 20:23:12,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1456 transitions. [2024-11-07 20:23:12,085 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1456 transitions. Word has length 121 [2024-11-07 20:23:12,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:12,085 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1456 transitions. [2024-11-07 20:23:12,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:12,086 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1456 transitions. [2024-11-07 20:23:12,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 20:23:12,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:12,086 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:12,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:12,286 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 20:23:12,287 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:12,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:12,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2035124461, now seen corresponding path program 1 times [2024-11-07 20:23:12,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:12,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225478309] [2024-11-07 20:23:12,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:12,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:12,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:12,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034164119] [2024-11-07 20:23:12,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:12,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:12,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:12,298 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 20:23:12,299 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 20:23:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:12,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:23:12,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:12,593 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:12,594 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:12,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225478309] [2024-11-07 20:23:12,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:12,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034164119] [2024-11-07 20:23:12,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034164119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:12,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:12,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549705768] [2024-11-07 20:23:12,638 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:12,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:12,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:12,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:12,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:12,638 INFO L87 Difference]: Start difference. First operand 926 states and 1456 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:12,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:12,961 INFO L93 Difference]: Finished difference Result 1070 states and 1662 transitions. [2024-11-07 20:23:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:23:12,962 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-11-07 20:23:12,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:12,965 INFO L225 Difference]: With dead ends: 1070 [2024-11-07 20:23:12,965 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 20:23:12,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:12,966 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 227 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:12,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 470 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:12,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 20:23:13,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1029. [2024-11-07 20:23:13,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6711711711711712) internal successors, (1484), 946 states have internal predecessors, (1484), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1644 transitions. [2024-11-07 20:23:13,017 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1644 transitions. Word has length 122 [2024-11-07 20:23:13,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:13,017 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1644 transitions. [2024-11-07 20:23:13,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1644 transitions. [2024-11-07 20:23:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:23:13,018 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:13,018 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:13,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:13,218 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 20:23:13,218 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:13,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1335651061, now seen corresponding path program 1 times [2024-11-07 20:23:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831283396] [2024-11-07 20:23:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:13,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:13,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1284106262] [2024-11-07 20:23:13,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:13,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:13,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:13,230 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 20:23:13,231 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 20:23:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:13,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:23:13,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:13,488 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:13,489 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:13,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831283396] [2024-11-07 20:23:13,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:13,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284106262] [2024-11-07 20:23:13,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284106262] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:13,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:13,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:13,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875975051] [2024-11-07 20:23:13,791 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:13,792 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:13,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:13,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:13,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:13,792 INFO L87 Difference]: Start difference. First operand 1029 states and 1644 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:14,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:14,153 INFO L93 Difference]: Finished difference Result 1070 states and 1657 transitions. [2024-11-07 20:23:14,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:23:14,154 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-11-07 20:23:14,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:14,156 INFO L225 Difference]: With dead ends: 1070 [2024-11-07 20:23:14,156 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 20:23:14,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:14,157 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 366 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:14,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 532 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 20:23:14,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1030. [2024-11-07 20:23:14,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6659167604049494) internal successors, (1481), 947 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:14,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1641 transitions. [2024-11-07 20:23:14,191 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1641 transitions. Word has length 123 [2024-11-07 20:23:14,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:14,192 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1641 transitions. [2024-11-07 20:23:14,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1641 transitions. [2024-11-07 20:23:14,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 20:23:14,192 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:14,192 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:14,204 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 20:23:14,393 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 20:23:14,393 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:14,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:14,393 INFO L85 PathProgramCache]: Analyzing trace with hash 1544490159, now seen corresponding path program 1 times [2024-11-07 20:23:14,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:14,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036875536] [2024-11-07 20:23:14,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:14,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:14,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194541127] [2024-11-07 20:23:14,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:14,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:14,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:14,405 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 20:23:14,406 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 20:23:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:14,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 20:23:14,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 31 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:14,992 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:15,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:15,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036875536] [2024-11-07 20:23:15,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:15,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194541127] [2024-11-07 20:23:15,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194541127] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:15,229 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:15,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:23:15,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779383846] [2024-11-07 20:23:15,229 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:15,229 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:23:15,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:15,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:23:15,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:23:15,230 INFO L87 Difference]: Start difference. First operand 1030 states and 1641 transitions. Second operand has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:16,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:16,232 INFO L93 Difference]: Finished difference Result 1057 states and 1657 transitions. [2024-11-07 20:23:16,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:23:16,232 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 124 [2024-11-07 20:23:16,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:16,235 INFO L225 Difference]: With dead ends: 1057 [2024-11-07 20:23:16,235 INFO L226 Difference]: Without dead ends: 1056 [2024-11-07 20:23:16,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:23:16,236 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 596 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 606 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 1342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:16,236 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [606 Valid, 484 Invalid, 1342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 1312 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:23:16,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-07 20:23:16,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1030. [2024-11-07 20:23:16,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6636670416197976) internal successors, (1479), 947 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:16,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1639 transitions. [2024-11-07 20:23:16,276 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1639 transitions. Word has length 124 [2024-11-07 20:23:16,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:16,277 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1639 transitions. [2024-11-07 20:23:16,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:16,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1639 transitions. [2024-11-07 20:23:16,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 20:23:16,277 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:16,277 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:16,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:16,478 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 20:23:16,478 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:16,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:16,478 INFO L85 PathProgramCache]: Analyzing trace with hash 634554765, now seen corresponding path program 1 times [2024-11-07 20:23:16,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:16,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005479316] [2024-11-07 20:23:16,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:16,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:16,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1079047619] [2024-11-07 20:23:16,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:16,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:16,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:16,491 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 20:23:16,492 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 20:23:16,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:16,555 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:23:16,557 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 26 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-07 20:23:16,893 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005479316] [2024-11-07 20:23:16,961 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1079047619] [2024-11-07 20:23:16,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1079047619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:16,961 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:16,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:16,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688036862] [2024-11-07 20:23:16,962 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:16,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:16,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:16,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:16,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:23:16,962 INFO L87 Difference]: Start difference. First operand 1030 states and 1639 transitions. Second operand has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 20:23:17,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:17,832 INFO L93 Difference]: Finished difference Result 1072 states and 1650 transitions. [2024-11-07 20:23:17,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:23:17,832 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 125 [2024-11-07 20:23:17,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:17,835 INFO L225 Difference]: With dead ends: 1072 [2024-11-07 20:23:17,835 INFO L226 Difference]: Without dead ends: 1057 [2024-11-07 20:23:17,836 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:17,837 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 184 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 527 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:17,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 527 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 716 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:23:17,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-07 20:23:17,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-07 20:23:17,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.652762119503946) internal successors, (1466), 945 states have internal predecessors, (1466), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:17,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1624 transitions. [2024-11-07 20:23:17,869 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1624 transitions. Word has length 125 [2024-11-07 20:23:17,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:17,869 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1624 transitions. [2024-11-07 20:23:17,869 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.285714285714286) internal successors, (79), 7 states have internal predecessors, (79), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-07 20:23:17,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1624 transitions. [2024-11-07 20:23:17,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 20:23:17,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:17,870 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:17,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:18,070 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:18,071 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:18,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:18,071 INFO L85 PathProgramCache]: Analyzing trace with hash 212677275, now seen corresponding path program 1 times [2024-11-07 20:23:18,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:18,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173762058] [2024-11-07 20:23:18,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:18,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:18,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727222446] [2024-11-07 20:23:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:18,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:18,085 INFO L229 MonitoredProcess]: Starting monitored process 41 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 20:23:18,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-07 20:23:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:18,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:18,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:18,637 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:18,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:30,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:30,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173762058] [2024-11-07 20:23:30,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:30,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727222446] [2024-11-07 20:23:30,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727222446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:30,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:30,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:23:30,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34016298] [2024-11-07 20:23:30,798 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:30,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:23:30,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:30,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:23:30,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=166, Unknown=3, NotChecked=0, Total=210 [2024-11-07 20:23:30,799 INFO L87 Difference]: Start difference. First operand 1027 states and 1624 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:31,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:31,478 INFO L93 Difference]: Finished difference Result 1051 states and 1640 transitions. [2024-11-07 20:23:31,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:23:31,479 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2024-11-07 20:23:31,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:31,482 INFO L225 Difference]: With dead ends: 1051 [2024-11-07 20:23:31,482 INFO L226 Difference]: Without dead ends: 1049 [2024-11-07 20:23:31,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=84, Invalid=293, Unknown=3, NotChecked=0, Total=380 [2024-11-07 20:23:31,483 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 408 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1276 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:31,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 494 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1276 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:23:31,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1049 states. [2024-11-07 20:23:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1049 to 1027. [2024-11-07 20:23:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6482525366403609) internal successors, (1462), 945 states have internal predecessors, (1462), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1620 transitions. [2024-11-07 20:23:31,518 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1620 transitions. Word has length 131 [2024-11-07 20:23:31,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:31,518 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1620 transitions. [2024-11-07 20:23:31,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1620 transitions. [2024-11-07 20:23:31,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 20:23:31,518 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:31,518 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:31,530 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-07 20:23:31,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-07 20:23:31,723 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:31,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:31,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1996938970, now seen corresponding path program 1 times [2024-11-07 20:23:31,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:31,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187371005] [2024-11-07 20:23:31,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:31,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:31,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877050115] [2024-11-07 20:23:31,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:31,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:31,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:31,742 INFO L229 MonitoredProcess]: Starting monitored process 42 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 20:23:31,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-07 20:23:31,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:31,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:23:31,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:32,120 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:32,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:44,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:44,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [187371005] [2024-11-07 20:23:44,553 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:44,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877050115] [2024-11-07 20:23:44,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877050115] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:44,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:44,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:23:44,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103214693] [2024-11-07 20:23:44,554 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:44,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:23:44,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:44,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:23:44,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=94, Unknown=3, NotChecked=0, Total=132 [2024-11-07 20:23:44,554 INFO L87 Difference]: Start difference. First operand 1027 states and 1620 transitions. Second operand has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-07 20:23:44,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:44,912 INFO L93 Difference]: Finished difference Result 1072 states and 1652 transitions. [2024-11-07 20:23:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:23:44,912 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) Word has length 132 [2024-11-07 20:23:44,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:44,914 INFO L225 Difference]: With dead ends: 1072 [2024-11-07 20:23:44,914 INFO L226 Difference]: Without dead ends: 1069 [2024-11-07 20:23:44,915 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 12.2s TimeCoverageRelationStatistics Valid=45, Invalid=108, Unknown=3, NotChecked=0, Total=156 [2024-11-07 20:23:44,915 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 354 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:44,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 428 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:44,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1069 states. [2024-11-07 20:23:44,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1069 to 1027. [2024-11-07 20:23:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6381059751972942) internal successors, (1453), 945 states have internal predecessors, (1453), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1611 transitions. [2024-11-07 20:23:44,952 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1611 transitions. Word has length 132 [2024-11-07 20:23:44,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:44,952 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1611 transitions. [2024-11-07 20:23:44,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.125) internal successors, (81), 8 states have internal predecessors, (81), 5 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 4 states have call predecessors, (12), 5 states have call successors, (12) [2024-11-07 20:23:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1611 transitions. [2024-11-07 20:23:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-07 20:23:44,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:44,953 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:44,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-07 20:23:45,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-07 20:23:45,155 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:45,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:45,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1775565827, now seen corresponding path program 1 times [2024-11-07 20:23:45,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:45,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048650912] [2024-11-07 20:23:45,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:45,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:45,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506608959] [2024-11-07 20:23:45,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:45,171 INFO L229 MonitoredProcess]: Starting monitored process 43 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 20:23:45,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-07 20:23:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:45,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:23:45,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:45,770 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:49,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:49,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048650912] [2024-11-07 20:23:49,993 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:49,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506608959] [2024-11-07 20:23:49,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506608959] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:49,993 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:49,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:23:49,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110374388] [2024-11-07 20:23:49,993 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:49,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:23:49,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:49,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:23:49,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=281, Unknown=1, NotChecked=0, Total=342 [2024-11-07 20:23:49,994 INFO L87 Difference]: Start difference. First operand 1027 states and 1611 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:51,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:51,204 INFO L93 Difference]: Finished difference Result 1059 states and 1641 transitions. [2024-11-07 20:23:51,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:51,204 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 133 [2024-11-07 20:23:51,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:51,207 INFO L225 Difference]: With dead ends: 1059 [2024-11-07 20:23:51,207 INFO L226 Difference]: Without dead ends: 1057 [2024-11-07 20:23:51,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=117, Invalid=532, Unknown=1, NotChecked=0, Total=650 [2024-11-07 20:23:51,207 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 453 mSDsluCounter, 345 mSDsCounter, 0 mSdLazyCounter, 1557 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:51,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 411 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1557 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:23:51,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-07 20:23:51,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-07 20:23:51,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6335963923337091) internal successors, (1449), 945 states have internal predecessors, (1449), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:51,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1607 transitions. [2024-11-07 20:23:51,247 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1607 transitions. Word has length 133 [2024-11-07 20:23:51,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:51,247 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1607 transitions. [2024-11-07 20:23:51,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:51,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1607 transitions. [2024-11-07 20:23:51,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-07 20:23:51,248 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:51,248 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:51,261 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-07 20:23:51,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-07 20:23:51,453 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:51,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:51,453 INFO L85 PathProgramCache]: Analyzing trace with hash 792034312, now seen corresponding path program 1 times [2024-11-07 20:23:51,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:51,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239590611] [2024-11-07 20:23:51,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:51,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:51,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1496141081] [2024-11-07 20:23:51,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:51,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:51,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:51,465 INFO L229 MonitoredProcess]: Starting monitored process 44 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 20:23:51,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-07 20:23:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:51,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-07 20:23:51,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:51,983 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 6 proven. 37 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:51,983 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:52,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:52,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239590611] [2024-11-07 20:23:52,737 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:52,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496141081] [2024-11-07 20:23:52,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496141081] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:52,738 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:52,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:23:52,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393455381] [2024-11-07 20:23:52,738 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:52,738 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:23:52,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:52,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:23:52,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2024-11-07 20:23:52,738 INFO L87 Difference]: Start difference. First operand 1027 states and 1607 transitions. Second operand has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:53,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:53,534 INFO L93 Difference]: Finished difference Result 1059 states and 1637 transitions. [2024-11-07 20:23:53,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:53,535 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 134 [2024-11-07 20:23:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:53,537 INFO L225 Difference]: With dead ends: 1059 [2024-11-07 20:23:53,537 INFO L226 Difference]: Without dead ends: 1057 [2024-11-07 20:23:53,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:23:53,538 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 602 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 1510 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:53,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 316 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1510 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:53,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1057 states. [2024-11-07 20:23:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1057 to 1027. [2024-11-07 20:23:53,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.629086809470124) internal successors, (1445), 945 states have internal predecessors, (1445), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:53,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1603 transitions. [2024-11-07 20:23:53,574 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1603 transitions. Word has length 134 [2024-11-07 20:23:53,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:53,574 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1603 transitions. [2024-11-07 20:23:53,574 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:53,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1603 transitions. [2024-11-07 20:23:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-07 20:23:53,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:53,575 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:53,587 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:53,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,44 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:53,775 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:53,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:53,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1216740001, now seen corresponding path program 1 times [2024-11-07 20:23:53,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:53,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765420608] [2024-11-07 20:23:53,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:53,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533499787] [2024-11-07 20:23:53,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:53,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:53,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:53,787 INFO L229 MonitoredProcess]: Starting monitored process 45 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 20:23:53,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-07 20:23:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:53,838 INFO L255 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-07 20:23:53,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:54,427 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 6 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:54,427 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:54,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765420608] [2024-11-07 20:23:54,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:54,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533499787] [2024-11-07 20:23:54,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533499787] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:54,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:54,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:54,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285623649] [2024-11-07 20:23:54,501 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:54,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:54,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:54,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:54,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:23:54,502 INFO L87 Difference]: Start difference. First operand 1027 states and 1603 transitions. Second operand has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:55,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:55,743 INFO L93 Difference]: Finished difference Result 1046 states and 1619 transitions. [2024-11-07 20:23:55,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:23:55,744 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 135 [2024-11-07 20:23:55,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:55,746 INFO L225 Difference]: With dead ends: 1046 [2024-11-07 20:23:55,746 INFO L226 Difference]: Without dead ends: 1045 [2024-11-07 20:23:55,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:23:55,747 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 340 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 1275 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 1285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 1275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:55,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 416 Invalid, 1285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 1275 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:23:55,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2024-11-07 20:23:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1027. [2024-11-07 20:23:55,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 887 states have (on average 1.6268320180383316) internal successors, (1443), 945 states have internal predecessors, (1443), 79 states have call successors, (79), 2 states have call predecessors, (79), 2 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-07 20:23:55,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1601 transitions. [2024-11-07 20:23:55,784 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1601 transitions. Word has length 135 [2024-11-07 20:23:55,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:55,784 INFO L471 AbstractCegarLoop]: Abstraction has 1027 states and 1601 transitions. [2024-11-07 20:23:55,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.4) internal successors, (84), 10 states have internal predecessors, (84), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:55,784 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1601 transitions. [2024-11-07 20:23:55,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:23:55,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:55,784 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:23:55,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:55,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-07 20:23:55,985 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:55,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:55,985 INFO L85 PathProgramCache]: Analyzing trace with hash 935765738, now seen corresponding path program 1 times [2024-11-07 20:23:55,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:55,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786992736] [2024-11-07 20:23:55,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:55,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2001177635] [2024-11-07 20:23:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:55,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:55,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:55,996 INFO L229 MonitoredProcess]: Starting monitored process 46 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 20:23:56,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-07 20:23:56,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:56,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:23:56,055 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:56,292 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-07 20:23:56,293 INFO L311 TraceCheckSpWp]: Computing backward predicates...