./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.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', '9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.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 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:30:20,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:30:20,878 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:30:20,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:30:20,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:30:20,917 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:30:20,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:30:20,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:30:20,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:30:20,920 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:30:20,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:30:20,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:30:20,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:30:20,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:30:20,921 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:30:20,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:30:20,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:30:20,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:30:20,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:30:20,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:30:20,923 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:30:20,924 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:30:20,924 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:30:20,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:30:20,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:30:20,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:30:20,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:30:20,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:30:20,926 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:30:20,926 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 -> 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 [2024-11-07 20:30:21,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:30:21,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:30:21,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:30:21,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:30:21,222 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:30:21,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-11-07 20:30:22,514 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:30:22,724 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:30:22,725 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-11-07 20:30:22,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fd1d0af0/e94bac27c9c94de4b3deb77bde57095b/FLAG74adaa116 [2024-11-07 20:30:22,757 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1fd1d0af0/e94bac27c9c94de4b3deb77bde57095b [2024-11-07 20:30:22,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:30:22,762 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:30:22,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:30:22,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:30:22,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:30:22,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:22,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@241a5dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22, skipping insertion in model container [2024-11-07 20:30:22,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:22,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:30:22,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:30:22,929 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:30:22,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:30:22,953 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:30:22,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22 WrapperNode [2024-11-07 20:30:22,954 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:30:22,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:30:22,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:30:22,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:30:22,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:22,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:22,991 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2024-11-07 20:30:22,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:30:22,993 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:30:22,993 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:30:22,993 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:30:23,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,025 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 20:30:23,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,046 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:30:23,047 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:30:23,047 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:30:23,047 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:30:23,048 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (1/1) ... [2024-11-07 20:30:23,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:30:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:23,090 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 20:30:23,095 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 20:30:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:30:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:30:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:30:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:30:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:30:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:30:23,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:30:23,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:30:23,186 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:30:23,188 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:30:23,546 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-07 20:30:23,546 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:30:23,561 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:30:23,562 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:30:23,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:23 BoogieIcfgContainer [2024-11-07 20:30:23,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:30:23,565 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:30:23,566 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:30:23,571 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:30:23,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:30:22" (1/3) ... [2024-11-07 20:30:23,571 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109843db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:23, skipping insertion in model container [2024-11-07 20:30:23,571 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:22" (2/3) ... [2024-11-07 20:30:23,572 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109843db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:23, skipping insertion in model container [2024-11-07 20:30:23,572 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:23" (3/3) ... [2024-11-07 20:30:23,573 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll2_valuebound100.c [2024-11-07 20:30:23,588 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:30:23,589 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:30:23,642 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:30:23,655 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;@3c477992, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:30:23,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:30:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:30:23,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:23,670 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 20:30:23,671 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:23,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:23,676 INFO L85 PathProgramCache]: Analyzing trace with hash -106143586, now seen corresponding path program 1 times [2024-11-07 20:30:23,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:23,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075147702] [2024-11-07 20:30:23,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:23,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:23,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:23,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:23,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:23,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:23,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:23,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:23,842 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 20:30:23,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:23,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075147702] [2024-11-07 20:30:23,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075147702] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:23,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:23,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:30:23,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801970912] [2024-11-07 20:30:23,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:23,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:30:23,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:23,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:30:23,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:30:23,874 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:30:23,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:23,890 INFO L93 Difference]: Finished difference Result 144 states and 165 transitions. [2024-11-07 20:30:23,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:30:23,892 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-07 20:30:23,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:23,899 INFO L225 Difference]: With dead ends: 144 [2024-11-07 20:30:23,899 INFO L226 Difference]: Without dead ends: 67 [2024-11-07 20:30:23,903 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 20:30:23,906 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:23,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:30:23,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-07 20:30:23,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-07 20:30:23,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 36 states have (on average 1.6666666666666667) internal successors, (60), 59 states have internal predecessors, (60), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:30:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 70 transitions. [2024-11-07 20:30:23,951 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 70 transitions. Word has length 26 [2024-11-07 20:30:23,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:23,951 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 70 transitions. [2024-11-07 20:30:23,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:30:23,952 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2024-11-07 20:30:23,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:30:23,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:23,953 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 20:30:23,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:30:23,953 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:23,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:23,954 INFO L85 PathProgramCache]: Analyzing trace with hash -150034342, now seen corresponding path program 1 times [2024-11-07 20:30:23,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:23,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482226031] [2024-11-07 20:30:23,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:23,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:24,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [238724919] [2024-11-07 20:30:24,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:24,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:24,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:24,018 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 20:30:24,020 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 20:30:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:24,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:30:24,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:24,179 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 20:30:24,179 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:24,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:24,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482226031] [2024-11-07 20:30:24,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:24,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238724919] [2024-11-07 20:30:24,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238724919] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:24,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:24,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:30:24,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424682441] [2024-11-07 20:30:24,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:24,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:24,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:24,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:24,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:24,184 INFO L87 Difference]: Start difference. First operand 67 states and 70 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:24,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:24,381 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2024-11-07 20:30:24,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:30:24,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-07 20:30:24,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:24,383 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:30:24,383 INFO L226 Difference]: Without dead ends: 90 [2024-11-07 20:30:24,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:24,384 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 65 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:24,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 60 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:24,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-07 20:30:24,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-07 20:30:24,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 77 states have internal predecessors, (90), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 102 transitions. [2024-11-07 20:30:24,398 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 102 transitions. Word has length 26 [2024-11-07 20:30:24,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:24,403 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 102 transitions. [2024-11-07 20:30:24,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:24,403 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 102 transitions. [2024-11-07 20:30:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:30:24,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:24,404 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:24,422 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 20:30:24,604 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 20:30:24,605 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:24,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:24,606 INFO L85 PathProgramCache]: Analyzing trace with hash -356097255, now seen corresponding path program 1 times [2024-11-07 20:30:24,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:24,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470343556] [2024-11-07 20:30:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:24,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:24,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634082458] [2024-11-07 20:30:24,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:24,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:24,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:24,628 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 20:30:24,632 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 20:30:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:24,687 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:30:24,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:24,752 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 20:30:24,753 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:24,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:24,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470343556] [2024-11-07 20:30:24,754 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:24,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634082458] [2024-11-07 20:30:24,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634082458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:24,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:24,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:30:24,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125252674] [2024-11-07 20:30:24,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:24,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:24,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:24,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:24,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:24,757 INFO L87 Difference]: Start difference. First operand 86 states and 102 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:24,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:24,913 INFO L93 Difference]: Finished difference Result 95 states and 106 transitions. [2024-11-07 20:30:24,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:30:24,914 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 27 [2024-11-07 20:30:24,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:24,915 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:30:24,915 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:30:24,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:24,916 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 44 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:24,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 72 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:24,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:30:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:30:24,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5535714285714286) internal successors, (87), 78 states have internal predecessors, (87), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 99 transitions. [2024-11-07 20:30:24,932 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 99 transitions. Word has length 27 [2024-11-07 20:30:24,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:24,933 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 99 transitions. [2024-11-07 20:30:24,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 99 transitions. [2024-11-07 20:30:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-07 20:30:24,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:24,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:24,953 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 20:30:25,134 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 20:30:25,134 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:25,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:25,135 INFO L85 PathProgramCache]: Analyzing trace with hash 75950110, now seen corresponding path program 1 times [2024-11-07 20:30:25,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:25,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740870666] [2024-11-07 20:30:25,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:25,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:25,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1006081622] [2024-11-07 20:30:25,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:25,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:25,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:25,162 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 20:30:25,166 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 20:30:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:30:25,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:25,283 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 20:30:25,283 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:25,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:25,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740870666] [2024-11-07 20:30:25,284 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:25,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006081622] [2024-11-07 20:30:25,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006081622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:25,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:25,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:30:25,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840951139] [2024-11-07 20:30:25,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:25,285 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:30:25,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:25,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:30:25,286 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:30:25,286 INFO L87 Difference]: Start difference. First operand 87 states and 99 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:25,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:25,458 INFO L93 Difference]: Finished difference Result 91 states and 99 transitions. [2024-11-07 20:30:25,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:30:25,459 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 30 [2024-11-07 20:30:25,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:25,460 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:30:25,461 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:30:25,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:30:25,462 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 16 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:25,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 75 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:25,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:30:25,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:30:25,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.5178571428571428) internal successors, (85), 78 states have internal predecessors, (85), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2024-11-07 20:30:25,479 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 30 [2024-11-07 20:30:25,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:25,479 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2024-11-07 20:30:25,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:25,479 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2024-11-07 20:30:25,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-07 20:30:25,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:25,481 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:25,498 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 20:30:25,681 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 20:30:25,682 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:25,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:25,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1940513827, now seen corresponding path program 1 times [2024-11-07 20:30:25,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:25,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809926839] [2024-11-07 20:30:25,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:25,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:25,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:25,984 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:30:25,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:25,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809926839] [2024-11-07 20:30:25,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809926839] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:25,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175970067] [2024-11-07 20:30:25,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:25,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:25,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:25,987 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 20:30:25,989 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 20:30:26,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:30:26,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:26,089 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 20:30:26,090 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:26,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175970067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:26,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:26,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2024-11-07 20:30:26,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323736322] [2024-11-07 20:30:26,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:26,091 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:30:26,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:26,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:30:26,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:30:26,092 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:26,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:26,348 INFO L93 Difference]: Finished difference Result 91 states and 97 transitions. [2024-11-07 20:30:26,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:30:26,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 31 [2024-11-07 20:30:26,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:26,349 INFO L225 Difference]: With dead ends: 91 [2024-11-07 20:30:26,349 INFO L226 Difference]: Without dead ends: 89 [2024-11-07 20:30:26,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:30:26,350 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:26,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 77 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:26,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-11-07 20:30:26,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2024-11-07 20:30:26,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.4821428571428572) internal successors, (83), 78 states have internal predecessors, (83), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:26,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2024-11-07 20:30:26,361 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 31 [2024-11-07 20:30:26,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:26,362 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2024-11-07 20:30:26,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:26,362 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2024-11-07 20:30:26,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:30:26,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:26,363 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:26,377 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 20:30:26,564 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 20:30:26,565 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:26,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:26,565 INFO L85 PathProgramCache]: Analyzing trace with hash -802581419, now seen corresponding path program 1 times [2024-11-07 20:30:26,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:26,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811585407] [2024-11-07 20:30:26,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:26,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:26,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:30:26,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:26,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811585407] [2024-11-07 20:30:26,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811585407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:26,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684091968] [2024-11-07 20:30:26,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:26,726 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 20:30:26,728 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 20:30:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:26,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:30:26,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:26,829 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:30:26,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:30:26,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684091968] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:30:26,920 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:30:26,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 20:30:26,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264447159] [2024-11-07 20:30:26,921 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:26,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:30:26,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:26,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:30:26,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:30:26,922 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 20:30:27,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:27,077 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2024-11-07 20:30:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:30:27,078 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 40 [2024-11-07 20:30:27,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:27,080 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:30:27,080 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:30:27,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:27,082 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 42 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:27,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 114 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:27,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:30:27,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:30:27,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 77 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 93 transitions. [2024-11-07 20:30:27,091 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 93 transitions. Word has length 40 [2024-11-07 20:30:27,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:27,091 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 93 transitions. [2024-11-07 20:30:27,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.285714285714286) internal successors, (51), 8 states have internal predecessors, (51), 4 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-11-07 20:30:27,091 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 93 transitions. [2024-11-07 20:30:27,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:30:27,092 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:27,092 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:27,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-07 20:30:27,292 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 20:30:27,293 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:27,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:27,293 INFO L85 PathProgramCache]: Analyzing trace with hash -802581376, now seen corresponding path program 1 times [2024-11-07 20:30:27,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:27,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144828299] [2024-11-07 20:30:27,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:27,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:27,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,361 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 20:30:27,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:27,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144828299] [2024-11-07 20:30:27,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144828299] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:27,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:27,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:30:27,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054886563] [2024-11-07 20:30:27,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:27,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:30:27,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:27,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:30:27,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:30:27,364 INFO L87 Difference]: Start difference. First operand 86 states and 93 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:27,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:27,382 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-07 20:30:27,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:30:27,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 40 [2024-11-07 20:30:27,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:27,384 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:30:27,384 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:30:27,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:30:27,387 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 1 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:27,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 124 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:30:27,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:30:27,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:30:27,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:27,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-07 20:30:27,397 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 40 [2024-11-07 20:30:27,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:27,398 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-07 20:30:27,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:27,398 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-07 20:30:27,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:30:27,399 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:27,399 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:27,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:30:27,399 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:27,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:27,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1105682215, now seen corresponding path program 1 times [2024-11-07 20:30:27,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:27,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547186713] [2024-11-07 20:30:27,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:27,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:27,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,500 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 20:30:27,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:27,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547186713] [2024-11-07 20:30:27,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547186713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:27,500 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:27,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:30:27,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142748091] [2024-11-07 20:30:27,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:27,501 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:30:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:27,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:30:27,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:27,502 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:27,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:27,733 INFO L93 Difference]: Finished difference Result 115 states and 136 transitions. [2024-11-07 20:30:27,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:30:27,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 44 [2024-11-07 20:30:27,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:27,735 INFO L225 Difference]: With dead ends: 115 [2024-11-07 20:30:27,735 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:30:27,735 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:27,736 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 46 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:27,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 77 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:27,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:30:27,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 87. [2024-11-07 20:30:27,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 78 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:27,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 92 transitions. [2024-11-07 20:30:27,752 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 92 transitions. Word has length 44 [2024-11-07 20:30:27,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:27,752 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 92 transitions. [2024-11-07 20:30:27,752 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:27,752 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 92 transitions. [2024-11-07 20:30:27,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:30:27,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:27,753 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:27,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:30:27,754 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:27,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:27,754 INFO L85 PathProgramCache]: Analyzing trace with hash 83589803, now seen corresponding path program 1 times [2024-11-07 20:30:27,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:27,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071363451] [2024-11-07 20:30:27,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:27,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:27,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:27,840 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 20:30:27,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:27,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071363451] [2024-11-07 20:30:27,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071363451] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:27,841 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:27,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:30:27,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539404552] [2024-11-07 20:30:27,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:27,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:30:27,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:27,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:30:27,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:27,844 INFO L87 Difference]: Start difference. First operand 87 states and 92 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:28,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:28,065 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2024-11-07 20:30:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:30:28,066 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 45 [2024-11-07 20:30:28,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:28,067 INFO L225 Difference]: With dead ends: 89 [2024-11-07 20:30:28,067 INFO L226 Difference]: Without dead ends: 88 [2024-11-07 20:30:28,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:28,068 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:28,068 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 79 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:28,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-07 20:30:28,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-07 20:30:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 58 states have (on average 1.396551724137931) internal successors, (81), 79 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2024-11-07 20:30:28,074 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 45 [2024-11-07 20:30:28,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:28,074 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2024-11-07 20:30:28,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2024-11-07 20:30:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:30:28,075 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:28,075 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:28,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:30:28,075 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:28,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:28,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1703683301, now seen corresponding path program 1 times [2024-11-07 20:30:28,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:28,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322959032] [2024-11-07 20:30:28,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:28,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,148 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 20:30:28,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:28,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322959032] [2024-11-07 20:30:28,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322959032] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:28,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:28,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:30:28,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588054083] [2024-11-07 20:30:28,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:28,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:28,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:28,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:28,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:28,150 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:28,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:28,563 INFO L93 Difference]: Finished difference Result 88 states and 93 transitions. [2024-11-07 20:30:28,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:30:28,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-07 20:30:28,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:28,564 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:30:28,564 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:30:28,564 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:28,565 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 14 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:28,565 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 78 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:30:28,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:30:28,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-07 20:30:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 58 states have (on average 1.3620689655172413) internal successors, (79), 77 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:28,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 91 transitions. [2024-11-07 20:30:28,572 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 91 transitions. Word has length 46 [2024-11-07 20:30:28,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:28,572 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 91 transitions. [2024-11-07 20:30:28,572 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:28,572 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 91 transitions. [2024-11-07 20:30:28,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:30:28,573 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:28,573 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:28,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:30:28,573 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:28,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:28,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1537150950, now seen corresponding path program 1 times [2024-11-07 20:30:28,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:28,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291469656] [2024-11-07 20:30:28,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:28,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:28,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355824598] [2024-11-07 20:30:28,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:28,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:28,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:28,590 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 20:30:28,592 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 20:30:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:28,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:30:28,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:28,828 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:30:28,829 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:28,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291469656] [2024-11-07 20:30:28,941 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:28,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355824598] [2024-11-07 20:30:28,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355824598] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:28,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:28,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:30:28,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342702201] [2024-11-07 20:30:28,941 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:28,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:30:28,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:28,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:30:28,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:28,942 INFO L87 Difference]: Start difference. First operand 86 states and 91 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:29,086 INFO L93 Difference]: Finished difference Result 86 states and 91 transitions. [2024-11-07 20:30:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:30:29,087 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 46 [2024-11-07 20:30:29,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:29,088 INFO L225 Difference]: With dead ends: 86 [2024-11-07 20:30:29,088 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 20:30:29,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:29,089 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 15 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:29,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 105 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:29,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 20:30:29,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-07 20:30:29,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 58 states have (on average 1.3448275862068966) internal successors, (78), 76 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:29,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 90 transitions. [2024-11-07 20:30:29,094 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 90 transitions. Word has length 46 [2024-11-07 20:30:29,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:29,094 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 90 transitions. [2024-11-07 20:30:29,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:29,095 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 90 transitions. [2024-11-07 20:30:29,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:30:29,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:29,095 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:29,112 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-07 20:30:29,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-07 20:30:29,296 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:29,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash -1274574675, now seen corresponding path program 1 times [2024-11-07 20:30:29,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:29,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279168370] [2024-11-07 20:30:29,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:29,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:29,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:29,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,348 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 20:30:29,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:29,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279168370] [2024-11-07 20:30:29,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279168370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:29,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:29,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:30:29,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731202481] [2024-11-07 20:30:29,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:29,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:29,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:29,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:29,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:29,350 INFO L87 Difference]: Start difference. First operand 85 states and 90 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:29,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:29,677 INFO L93 Difference]: Finished difference Result 85 states and 90 transitions. [2024-11-07 20:30:29,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:30:29,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 47 [2024-11-07 20:30:29,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:29,678 INFO L225 Difference]: With dead ends: 85 [2024-11-07 20:30:29,678 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:30:29,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:29,679 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 16 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:29,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 79 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:30:29,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:30:29,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 20:30:29,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 50 states have (on average 1.36) internal successors, (68), 67 states have internal predecessors, (68), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 80 transitions. [2024-11-07 20:30:29,686 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 80 transitions. Word has length 47 [2024-11-07 20:30:29,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:29,687 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 80 transitions. [2024-11-07 20:30:29,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:30:29,687 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 80 transitions. [2024-11-07 20:30:29,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:30:29,691 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:29,691 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:29,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 20:30:29,691 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash 407039279, now seen corresponding path program 1 times [2024-11-07 20:30:29,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:29,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685690851] [2024-11-07 20:30:29,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:29,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:29,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934552812] [2024-11-07 20:30:29,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:29,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:29,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:29,709 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 20:30:29,712 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 20:30:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:29,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:30:29,757 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:29,937 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:30:29,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:30,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685690851] [2024-11-07 20:30:30,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:30,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934552812] [2024-11-07 20:30:30,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934552812] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:30,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:30,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:30:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542686890] [2024-11-07 20:30:30,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:30,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:30:30,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:30,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:30:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:30,499 INFO L87 Difference]: Start difference. First operand 76 states and 80 transitions. Second operand has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:30,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:30,643 INFO L93 Difference]: Finished difference Result 79 states and 83 transitions. [2024-11-07 20:30:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:30:30,644 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 47 [2024-11-07 20:30:30,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:30,644 INFO L225 Difference]: With dead ends: 79 [2024-11-07 20:30:30,644 INFO L226 Difference]: Without dead ends: 78 [2024-11-07 20:30:30,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:30,645 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 50 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:30,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 98 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:30,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2024-11-07 20:30:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2024-11-07 20:30:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 52 states have (on average 1.3461538461538463) internal successors, (70), 69 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 82 transitions. [2024-11-07 20:30:30,650 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 82 transitions. Word has length 47 [2024-11-07 20:30:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:30,651 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 82 transitions. [2024-11-07 20:30:30,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.166666666666667) internal successors, (31), 6 states have internal predecessors, (31), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 82 transitions. [2024-11-07 20:30:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:30:30,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:30,652 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:30,669 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:30:30,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:30,856 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:30,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:30,856 INFO L85 PathProgramCache]: Analyzing trace with hash 322724689, now seen corresponding path program 1 times [2024-11-07 20:30:30,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:30,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569840915] [2024-11-07 20:30:30,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:30,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:30,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2123354911] [2024-11-07 20:30:30,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:30,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:30,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:30,869 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 20:30:30,870 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 20:30:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:30,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:30:30,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:31,100 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:30:31,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:31,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569840915] [2024-11-07 20:30:31,261 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:31,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2123354911] [2024-11-07 20:30:31,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2123354911] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:31,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:31,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:30:31,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207536321] [2024-11-07 20:30:31,262 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:31,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:30:31,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:31,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:30:31,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:30:31,263 INFO L87 Difference]: Start difference. First operand 78 states and 82 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:31,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:31,411 INFO L93 Difference]: Finished difference Result 78 states and 82 transitions. [2024-11-07 20:30:31,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:30:31,412 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 49 [2024-11-07 20:30:31,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:31,412 INFO L225 Difference]: With dead ends: 78 [2024-11-07 20:30:31,413 INFO L226 Difference]: Without dead ends: 73 [2024-11-07 20:30:31,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:30:31,413 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 62 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 193 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:31,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 106 Invalid, 200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 193 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:31,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-07 20:30:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-07 20:30:31,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.25) internal successors, (65), 64 states have internal predecessors, (65), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:31,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 77 transitions. [2024-11-07 20:30:31,420 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 77 transitions. Word has length 49 [2024-11-07 20:30:31,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:31,420 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 77 transitions. [2024-11-07 20:30:31,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 77 transitions. [2024-11-07 20:30:31,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 20:30:31,422 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:31,422 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:31,441 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 20:30:31,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:31,627 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:31,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:31,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1414530818, now seen corresponding path program 1 times [2024-11-07 20:30:31,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:31,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472265851] [2024-11-07 20:30:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:31,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:31,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [137295660] [2024-11-07 20:30:31,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:31,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:31,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:31,645 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 20:30:31,646 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 20:30:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:31,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:30:31,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:30:31,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:32,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472265851] [2024-11-07 20:30:32,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:32,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137295660] [2024-11-07 20:30:32,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [137295660] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:32,575 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:32,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:30:32,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909980496] [2024-11-07 20:30:32,575 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:32,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:30:32,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:32,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:30:32,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:30:32,577 INFO L87 Difference]: Start difference. First operand 73 states and 77 transitions. Second operand has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:32,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:32,721 INFO L93 Difference]: Finished difference Result 101 states and 110 transitions. [2024-11-07 20:30:32,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:30:32,722 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 50 [2024-11-07 20:30:32,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:32,723 INFO L225 Difference]: With dead ends: 101 [2024-11-07 20:30:32,723 INFO L226 Difference]: Without dead ends: 96 [2024-11-07 20:30:32,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:30:32,724 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:32,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 104 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:30:32,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-07 20:30:32,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 94. [2024-11-07 20:30:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 72 states have (on average 1.2638888888888888) internal successors, (91), 84 states have internal predecessors, (91), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:30:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 105 transitions. [2024-11-07 20:30:32,731 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 105 transitions. Word has length 50 [2024-11-07 20:30:32,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:32,732 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 105 transitions. [2024-11-07 20:30:32,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 4 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-07 20:30:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 105 transitions. [2024-11-07 20:30:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:30:32,733 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:32,733 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:32,749 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 20:30:32,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:32,934 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:32,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1931456619, now seen corresponding path program 1 times [2024-11-07 20:30:32,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165069687] [2024-11-07 20:30:32,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:32,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:32,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1654873013] [2024-11-07 20:30:32,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:32,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:32,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:32,947 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 20:30:32,948 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 20:30:32,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:32,990 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:30:32,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:30:33,098 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:33,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:30:33,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:33,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165069687] [2024-11-07 20:30:33,549 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:30:33,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654873013] [2024-11-07 20:30:33,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654873013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:30:33,549 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:30:33,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:30:33,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128629886] [2024-11-07 20:30:33,549 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:33,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:30:33,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:33,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:30:33,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:30:33,551 INFO L87 Difference]: Start difference. First operand 94 states and 105 transitions. Second operand has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:30:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:34,528 INFO L93 Difference]: Finished difference Result 107 states and 117 transitions. [2024-11-07 20:30:34,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:30:34,528 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 53 [2024-11-07 20:30:34,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:34,529 INFO L225 Difference]: With dead ends: 107 [2024-11-07 20:30:34,529 INFO L226 Difference]: Without dead ends: 104 [2024-11-07 20:30:34,529 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:30:34,530 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:34,530 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 142 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:30:34,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-07 20:30:34,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2024-11-07 20:30:34,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 80 states have (on average 1.2375) internal successors, (99), 92 states have internal predecessors, (99), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:30:34,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions. [2024-11-07 20:30:34,536 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 53 [2024-11-07 20:30:34,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:34,536 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 113 transitions. [2024-11-07 20:30:34,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.428571428571429) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:30:34,537 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions. [2024-11-07 20:30:34,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-07 20:30:34,537 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:34,537 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:34,554 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:30:34,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 20:30:34,738 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:34,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:34,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1216523465, now seen corresponding path program 1 times [2024-11-07 20:30:34,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:34,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590798557] [2024-11-07 20:30:34,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:34,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:34,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:30:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,799 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:30:34,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:34,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590798557] [2024-11-07 20:30:34,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590798557] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:34,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017861338] [2024-11-07 20:30:34,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:34,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:34,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:34,802 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 20:30:34,804 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 20:30:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:34,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:30:34,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:30:34,890 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:34,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017861338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:34,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:34,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:30:34,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584192561] [2024-11-07 20:30:34,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:34,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:34,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:34,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:34,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:34,891 INFO L87 Difference]: Start difference. First operand 102 states and 113 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:30:34,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:34,910 INFO L93 Difference]: Finished difference Result 102 states and 113 transitions. [2024-11-07 20:30:34,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:30:34,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2024-11-07 20:30:34,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:34,912 INFO L225 Difference]: With dead ends: 102 [2024-11-07 20:30:34,912 INFO L226 Difference]: Without dead ends: 101 [2024-11-07 20:30:34,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:34,912 INFO L432 NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:34,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 123 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:30:34,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2024-11-07 20:30:34,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2024-11-07 20:30:34,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 80 states have (on average 1.2125) internal successors, (97), 91 states have internal predecessors, (97), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:30:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 111 transitions. [2024-11-07 20:30:34,928 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 111 transitions. Word has length 63 [2024-11-07 20:30:34,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:34,928 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 111 transitions. [2024-11-07 20:30:34,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-07 20:30:34,928 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 111 transitions. [2024-11-07 20:30:34,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:30:34,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:34,929 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:34,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:30:35,129 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:30:35,129 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:35,130 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 942478322, now seen corresponding path program 1 times [2024-11-07 20:30:35,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:35,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040276162] [2024-11-07 20:30:35,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:35,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:35,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:35,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:35,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:30:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,186 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:30:35,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:35,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040276162] [2024-11-07 20:30:35,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040276162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:35,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400248768] [2024-11-07 20:30:35,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:35,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:30:35,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:35,189 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 20:30:35,191 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 20:30:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:30:35,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:30:35,274 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:35,342 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-07 20:30:35,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400248768] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:30:35,342 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:30:35,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:30:35,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352748580] [2024-11-07 20:30:35,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:30:35,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:30:35,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:35,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:30:35,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:30:35,344 INFO L87 Difference]: Start difference. First operand 101 states and 111 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:30:35,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:35,381 INFO L93 Difference]: Finished difference Result 141 states and 153 transitions. [2024-11-07 20:30:35,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:30:35,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) Word has length 64 [2024-11-07 20:30:35,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:35,383 INFO L225 Difference]: With dead ends: 141 [2024-11-07 20:30:35,383 INFO L226 Difference]: Without dead ends: 140 [2024-11-07 20:30:35,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:30:35,383 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 19 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:35,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 217 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:30:35,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-07 20:30:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 127. [2024-11-07 20:30:35,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 104 states have (on average 1.2692307692307692) internal successors, (132), 115 states have internal predecessors, (132), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:30:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2024-11-07 20:30:35,390 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 64 [2024-11-07 20:30:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:35,391 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2024-11-07 20:30:35,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 states have internal predecessors, (84), 6 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 6 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:30:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2024-11-07 20:30:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-07 20:30:35,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:35,391 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:35,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-07 20:30:35,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:30:35,592 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:35,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:35,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1131424784, now seen corresponding path program 1 times [2024-11-07 20:30:35,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:35,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037323064] [2024-11-07 20:30:35,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:35,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:30:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-07 20:30:35,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:30:35,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037323064] [2024-11-07 20:30:35,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037323064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:35,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:35,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:30:35,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192544361] [2024-11-07 20:30:35,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:35,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:30:35,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:30:35,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:30:35,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:30:35,708 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:30:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:35,876 INFO L93 Difference]: Finished difference Result 127 states and 150 transitions. [2024-11-07 20:30:35,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:30:35,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-07 20:30:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:35,878 INFO L225 Difference]: With dead ends: 127 [2024-11-07 20:30:35,878 INFO L226 Difference]: Without dead ends: 126 [2024-11-07 20:30:35,878 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:30:35,878 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 29 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:35,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:30:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-07 20:30:35,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2024-11-07 20:30:35,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 104 states have (on average 1.2596153846153846) internal successors, (131), 114 states have internal predecessors, (131), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:30:35,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 149 transitions. [2024-11-07 20:30:35,890 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 149 transitions. Word has length 67 [2024-11-07 20:30:35,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:35,890 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 149 transitions. [2024-11-07 20:30:35,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:30:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 149 transitions. [2024-11-07 20:30:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-07 20:30:35,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:35,891 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:30:35,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 20:30:35,891 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:35,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:35,891 INFO L85 PathProgramCache]: Analyzing trace with hash 714430036, now seen corresponding path program 1 times [2024-11-07 20:30:35,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:30:35,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560103491] [2024-11-07 20:30:35,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:35,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:30:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:36,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:30:36,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:36,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:30:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:36,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:30:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:30:36,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:36,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:30:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:30:36,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 20:30:36,095 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig$NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:388) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:222) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:273) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-07 20:30:36,100 INFO L158 Benchmark]: Toolchain (without parser) took 13338.80ms. Allocated memory is still 100.7MB. Free memory was 77.4MB in the beginning and 57.3MB in the end (delta: 20.2MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-07 20:30:36,100 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:30:36,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 190.96ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 66.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:30:36,101 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.19ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:30:36,101 INFO L158 Benchmark]: Boogie Preprocessor took 53.13ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:30:36,101 INFO L158 Benchmark]: RCFGBuilder took 516.19ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 50.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 20:30:36,101 INFO L158 Benchmark]: TraceAbstraction took 12534.82ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 57.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:30:36,102 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 45.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 190.96ms. Allocated memory is still 100.7MB. Free memory was 77.2MB in the beginning and 66.5MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.19ms. Allocated memory is still 100.7MB. Free memory was 66.5MB in the beginning and 65.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.13ms. Allocated memory is still 100.7MB. Free memory was 65.1MB in the beginning and 64.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 516.19ms. Allocated memory is still 100.7MB. Free memory was 63.9MB in the beginning and 50.4MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 12534.82ms. Allocated memory is still 100.7MB. Free memory was 49.9MB in the beginning and 57.3MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NestedTraceCheckException: UNKNOWN during nested interpolation. I don't know how to continue: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:388) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-07 20:30:36,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:30:38,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:30:38,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-07 20:30:38,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:30:38,348 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:30:38,415 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:30:38,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:30:38,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:30:38,416 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:30:38,417 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:30:38,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:30:38,418 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:30:38,419 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:30:38,419 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:30:38,419 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:30:38,419 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 20:30:38,420 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:30:38,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:30:38,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:30:38,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:30:38,422 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:30:38,422 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 -> 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 [2024-11-07 20:30:38,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:30:38,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:30:38,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:30:38,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:30:38,689 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:30:38,690 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-11-07 20:30:39,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:30:40,250 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:30:40,255 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo1-ll2_valuebound100.c [2024-11-07 20:30:40,268 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d032da9b0/e328f85164574652b73094ad2ac99bf7/FLAGa383f8340 [2024-11-07 20:30:40,564 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d032da9b0/e328f85164574652b73094ad2ac99bf7 [2024-11-07 20:30:40,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:30:40,567 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:30:40,568 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:30:40,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:30:40,571 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:30:40,571 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,572 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66c63fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40, skipping insertion in model container [2024-11-07 20:30:40,572 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,586 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:30:40,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:30:40,741 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:30:40,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:30:40,768 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:30:40,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40 WrapperNode [2024-11-07 20:30:40,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:30:40,770 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:30:40,770 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:30:40,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:30:40,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,802 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-07 20:30:40,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:30:40,806 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:30:40,806 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:30:40,806 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:30:40,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,823 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,840 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 20:30:40,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,858 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,860 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:30:40,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:30:40,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:30:40,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:30:40,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (1/1) ... [2024-11-07 20:30:40,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:30:40,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:30:40,903 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 20:30:40,909 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 20:30:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:30:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 20:30:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:30:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:30:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:30:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:30:40,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:30:40,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:30:40,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:30:40,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:30:46,714 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-07 20:30:46,714 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:30:46,723 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:30:46,723 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:30:46,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:46 BoogieIcfgContainer [2024-11-07 20:30:46,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:30:46,726 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:30:46,727 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:30:46,731 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:30:46,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:30:40" (1/3) ... [2024-11-07 20:30:46,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39589b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:46, skipping insertion in model container [2024-11-07 20:30:46,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:30:40" (2/3) ... [2024-11-07 20:30:46,732 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39589b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:30:46, skipping insertion in model container [2024-11-07 20:30:46,732 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:30:46" (3/3) ... [2024-11-07 20:30:46,734 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll2_valuebound100.c [2024-11-07 20:30:46,748 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:30:46,749 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations. [2024-11-07 20:30:46,802 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:30:46,811 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;@4c5170f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:30:46,812 INFO L334 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2024-11-07 20:30:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:30:46,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:30:46,820 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:46,821 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 20:30:46,821 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:46,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:46,825 INFO L85 PathProgramCache]: Analyzing trace with hash -106143586, now seen corresponding path program 1 times [2024-11-07 20:30:46,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:30:46,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1919044860] [2024-11-07 20:30:46,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:46,834 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:30:46,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:30:46,837 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:30:46,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 20:30:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:46,923 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 20:30:46,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-07 20:30:46,954 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:30:46,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:30:46,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1919044860] [2024-11-07 20:30:46,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1919044860] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:30:46,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:30:46,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:30:46,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782732515] [2024-11-07 20:30:46,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:46,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:30:46,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:30:46,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:30:46,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:30:46,977 INFO L87 Difference]: Start difference. First operand has 74 states, 41 states have (on average 1.7073170731707317) internal successors, (70), 65 states have internal predecessors, (70), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:30:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:30:46,997 INFO L93 Difference]: Finished difference Result 139 states and 165 transitions. [2024-11-07 20:30:46,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:30:46,999 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 26 [2024-11-07 20:30:46,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:30:47,006 INFO L225 Difference]: With dead ends: 139 [2024-11-07 20:30:47,006 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:30:47,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:30:47,013 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:30:47,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:30:47,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:30:47,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-07 20:30:47,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 54 states have internal predecessors, (55), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:30:47,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 65 transitions. [2024-11-07 20:30:47,069 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 65 transitions. Word has length 26 [2024-11-07 20:30:47,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:30:47,070 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 65 transitions. [2024-11-07 20:30:47,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:30:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-07 20:30:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:30:47,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:30:47,072 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 20:30:47,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:30:47,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:30:47,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:30:47,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:30:47,277 INFO L85 PathProgramCache]: Analyzing trace with hash -150034342, now seen corresponding path program 1 times [2024-11-07 20:30:47,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:30:47,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [505875037] [2024-11-07 20:30:47,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:30:47,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:30:47,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:30:47,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:30:47,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-07 20:30:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:30:47,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:30:47,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:30:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:30:47,669 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:30:51,369 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 20:30:51,369 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:30:51,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [505875037] [2024-11-07 20:30:51,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [505875037] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:30:51,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:30:51,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 20:30:51,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683013752] [2024-11-07 20:30:51,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:30:51,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:30:51,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:30:51,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:30:51,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:30:51,371 INFO L87 Difference]: Start difference. First operand 62 states and 65 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:30:53,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:30:57,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:30:58,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:01,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:03,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:06,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:15,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:19,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:21,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:26,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:27,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:30,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:34,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:38,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:39,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:40,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:42,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:43,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:31:43,285 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2024-11-07 20:31:43,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:31:43,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 26 [2024-11-07 20:31:43,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:31:43,303 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:31:43,303 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 20:31:43,303 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:31:43,304 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 19 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:31:43,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 55 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 51.9s Time] [2024-11-07 20:31:43,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 20:31:43,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-07 20:31:43,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 55 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:31:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 66 transitions. [2024-11-07 20:31:43,311 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 66 transitions. Word has length 26 [2024-11-07 20:31:43,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:31:43,312 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 66 transitions. [2024-11-07 20:31:43,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:43,312 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 66 transitions. [2024-11-07 20:31:43,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-07 20:31:43,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:31:43,313 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:31:43,319 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-07 20:31:43,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:31:43,514 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2024-11-07 20:31:43,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:31:43,514 INFO L85 PathProgramCache]: Analyzing trace with hash -356097255, now seen corresponding path program 1 times [2024-11-07 20:31:43,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 20:31:43,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212508171] [2024-11-07 20:31:43,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:31:43,515 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 20:31:43,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 20:31:43,517 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 20:31:43,518 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-07 20:31:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:31:43,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:31:43,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:31:44,230 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:31:44,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:31:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:31:52,165 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 20:31:52,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212508171] [2024-11-07 20:31:52,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1212508171] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:31:52,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:31:52,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-07 20:31:52,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037333121] [2024-11-07 20:31:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:31:52,165 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:31:52,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 20:31:52,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:31:52,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:31:52,166 INFO L87 Difference]: Start difference. First operand 63 states and 66 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:31:56,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:31:58,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-07 20:32:00,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []