./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! overflow) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '32bit', '--witnessprinter.graph.data.programhash', '26b0e9a1f24f001efea295bcd9797908bff3501d4b08818e2be1159233981d8d'] 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/fermat2-ll_valuebound5.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 26b0e9a1f24f001efea295bcd9797908bff3501d4b08818e2be1159233981d8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:27:27,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:27:27,468 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:27:27,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:27:27,477 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:27:27,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:27:27,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:27:27,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:27:27,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:27:27,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:27:27,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:27:27,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:27:27,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:27:27,505 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:27:27,505 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:27:27,505 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:27:27,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:27:27,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:27:27,506 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:27:27,507 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:27:27,507 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:27:27,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:27:27,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:27:27,507 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:27:27,507 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:27:27,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:27:27,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:27:27,508 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:27:27,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:27:27,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:27:27,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:27:27,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:27:27,509 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 -> 26b0e9a1f24f001efea295bcd9797908bff3501d4b08818e2be1159233981d8d [2024-11-07 20:27:27,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:27:27,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:27:27,828 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:27:27,831 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:27:27,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:27:27,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-11-07 20:27:29,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:27:29,307 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:27:29,307 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-11-07 20:27:29,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68ffb7909/663e868fc4de43f2a8392e9db49ee084/FLAG34beffb26 [2024-11-07 20:27:29,335 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/68ffb7909/663e868fc4de43f2a8392e9db49ee084 [2024-11-07 20:27:29,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:27:29,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:27:29,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:27:29,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:27:29,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:27:29,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53548578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29, skipping insertion in model container [2024-11-07 20:27:29,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,364 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:27:29,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:27:29,529 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:27:29,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:27:29,564 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:27:29,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29 WrapperNode [2024-11-07 20:27:29,564 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:27:29,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:27:29,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:27:29,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:27:29,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,609 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106 [2024-11-07 20:27:29,610 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:27:29,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:27:29,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:27:29,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:27:29,620 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,622 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,637 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 20:27:29,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,650 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:27:29,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:27:29,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:27:29,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:27:29,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (1/1) ... [2024-11-07 20:27:29,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:27:29,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:29,692 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 20:27:29,694 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 20:27:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:27:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:27:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:27:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:27:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:27:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:27:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:27:29,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:27:29,771 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:27:29,772 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:27:30,106 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-07 20:27:30,106 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:27:30,125 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:27:30,126 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:27:30,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:27:30 BoogieIcfgContainer [2024-11-07 20:27:30,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:27:30,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:27:30,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:27:30,134 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:27:30,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:27:29" (1/3) ... [2024-11-07 20:27:30,135 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7190472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:27:30, skipping insertion in model container [2024-11-07 20:27:30,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:27:29" (2/3) ... [2024-11-07 20:27:30,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7190472e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:27:30, skipping insertion in model container [2024-11-07 20:27:30,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:27:30" (3/3) ... [2024-11-07 20:27:30,137 INFO L112 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound5.c [2024-11-07 20:27:30,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:27:30,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations. [2024-11-07 20:27:30,213 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:27:30,249 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;@7a4fc173, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:27:30,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-07 20:27:30,254 INFO L276 IsEmpty]: Start isEmpty. Operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 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 20:27:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 20:27:30,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:30,261 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:30,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:30,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:30,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1425738901, now seen corresponding path program 1 times [2024-11-07 20:27:30,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:30,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073345796] [2024-11-07 20:27:30,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:30,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:30,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:30,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,405 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:27:30,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:30,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073345796] [2024-11-07 20:27:30,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073345796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:30,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:30,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:30,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305231411] [2024-11-07 20:27:30,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:30,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:27:30,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:30,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:27:30,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:27:30,435 INFO L87 Difference]: Start difference. First operand has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 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 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:30,464 INFO L93 Difference]: Finished difference Result 266 states and 295 transitions. [2024-11-07 20:27:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:27:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-07 20:27:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:30,471 INFO L225 Difference]: With dead ends: 266 [2024-11-07 20:27:30,472 INFO L226 Difference]: Without dead ends: 125 [2024-11-07 20:27:30,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 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 20:27:30,480 INFO L432 NwaCegarLoop]: 136 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, 136 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 20:27:30,481 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:27:30,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-07 20:27:30,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-07 20:27:30,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 68 states have (on average 1.75) internal successors, (119), 117 states have internal predecessors, (119), 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 20:27:30,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 129 transitions. [2024-11-07 20:27:30,523 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 129 transitions. Word has length 14 [2024-11-07 20:27:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:30,524 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 129 transitions. [2024-11-07 20:27:30,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions. [2024-11-07 20:27:30,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 20:27:30,525 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:30,525 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:30,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:27:30,526 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:30,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1032771473, now seen corresponding path program 1 times [2024-11-07 20:27:30,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:30,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361802425] [2024-11-07 20:27:30,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:30,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:30,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:30,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,648 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:27:30,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:30,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361802425] [2024-11-07 20:27:30,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361802425] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:30,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:30,648 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:30,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089464917] [2024-11-07 20:27:30,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:30,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:27:30,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:30,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:27:30,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:27:30,651 INFO L87 Difference]: Start difference. First operand 125 states and 129 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:30,704 INFO L93 Difference]: Finished difference Result 125 states and 129 transitions. [2024-11-07 20:27:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:27:30,705 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2024-11-07 20:27:30,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:30,706 INFO L225 Difference]: With dead ends: 125 [2024-11-07 20:27:30,706 INFO L226 Difference]: Without dead ends: 121 [2024-11-07 20:27:30,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:27:30,707 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:30,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:27:30,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-07 20:27:30,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2024-11-07 20:27:30,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 68 states have (on average 1.6911764705882353) internal successors, (115), 113 states have internal predecessors, (115), 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 20:27:30,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions. [2024-11-07 20:27:30,723 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 14 [2024-11-07 20:27:30,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:30,724 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 125 transitions. [2024-11-07 20:27:30,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,724 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions. [2024-11-07 20:27:30,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-07 20:27:30,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:30,725 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:30,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:27:30,725 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:30,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:30,727 INFO L85 PathProgramCache]: Analyzing trace with hash 1951144630, now seen corresponding path program 1 times [2024-11-07 20:27:30,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:30,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659808663] [2024-11-07 20:27:30,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:30,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:30,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:30,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:30,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:27:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:30,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659808663] [2024-11-07 20:27:30,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659808663] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:30,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:30,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:30,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030804026] [2024-11-07 20:27:30,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:30,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:27:30,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:30,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:27:30,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:27:30,812 INFO L87 Difference]: Start difference. First operand 121 states and 125 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:30,871 INFO L93 Difference]: Finished difference Result 121 states and 125 transitions. [2024-11-07 20:27:30,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:27:30,874 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-07 20:27:30,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:30,875 INFO L225 Difference]: With dead ends: 121 [2024-11-07 20:27:30,875 INFO L226 Difference]: Without dead ends: 117 [2024-11-07 20:27:30,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 20:27:30,876 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:30,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 201 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:27:30,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-07 20:27:30,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-07 20:27:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 68 states have (on average 1.6323529411764706) internal successors, (111), 109 states have internal predecessors, (111), 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 20:27:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions. [2024-11-07 20:27:30,893 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 15 [2024-11-07 20:27:30,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:30,894 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 121 transitions. [2024-11-07 20:27:30,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:27:30,894 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions. [2024-11-07 20:27:30,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 20:27:30,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:30,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:30,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:27:30,895 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:30,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:30,895 INFO L85 PathProgramCache]: Analyzing trace with hash -423159302, now seen corresponding path program 1 times [2024-11-07 20:27:30,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:30,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235718053] [2024-11-07 20:27:30,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:27:30,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1745350097] [2024-11-07 20:27:30,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:30,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:30,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:30,927 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 20:27:30,929 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 20:27:30,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:30,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:27:30,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:31,065 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:27:31,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:27:31,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:31,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235718053] [2024-11-07 20:27:31,066 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:27:31,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745350097] [2024-11-07 20:27:31,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745350097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:31,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:31,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:27:31,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275645704] [2024-11-07 20:27:31,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:31,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:27:31,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:31,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:27:31,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:27:31,068 INFO L87 Difference]: Start difference. First operand 117 states and 121 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:27:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:31,196 INFO L93 Difference]: Finished difference Result 117 states and 121 transitions. [2024-11-07 20:27:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:27:31,197 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-07 20:27:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:31,198 INFO L225 Difference]: With dead ends: 117 [2024-11-07 20:27:31,198 INFO L226 Difference]: Without dead ends: 115 [2024-11-07 20:27:31,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:27:31,199 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 8 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:31,201 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 379 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:31,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-07 20:27:31,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-07 20:27:31,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 107 states have internal predecessors, (109), 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 20:27:31,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-07 20:27:31,212 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 19 [2024-11-07 20:27:31,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:31,213 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-07 20:27:31,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:27:31,213 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-07 20:27:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:27:31,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:31,214 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] [2024-11-07 20:27:31,231 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 20:27:31,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:31,419 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:31,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:31,420 INFO L85 PathProgramCache]: Analyzing trace with hash 1491537499, now seen corresponding path program 1 times [2024-11-07 20:27:31,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:31,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333530684] [2024-11-07 20:27:31,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:31,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:27:31,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1708521752] [2024-11-07 20:27:31,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:31,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:31,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:31,458 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 20:27:31,460 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 20:27:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:31,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:27:31,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:31,618 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 20:27:31,618 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:31,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:31,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333530684] [2024-11-07 20:27:31,683 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:27:31,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708521752] [2024-11-07 20:27:31,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708521752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:31,683 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:27:31,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:27:31,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646364655] [2024-11-07 20:27:31,683 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:31,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:27:31,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:27:31,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:27:31,685 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:27:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:31,755 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-07 20:27:31,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:27:31,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-11-07 20:27:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:31,756 INFO L225 Difference]: With dead ends: 115 [2024-11-07 20:27:31,756 INFO L226 Difference]: Without dead ends: 112 [2024-11-07 20:27:31,757 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:27:31,757 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 80 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:31,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 294 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-07 20:27:31,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2024-11-07 20:27:31,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 68 states have (on average 1.5588235294117647) internal successors, (106), 104 states have internal predecessors, (106), 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 20:27:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2024-11-07 20:27:31,764 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 36 [2024-11-07 20:27:31,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:31,765 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2024-11-07 20:27:31,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:27:31,765 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2024-11-07 20:27:31,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 20:27:31,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:31,766 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] [2024-11-07 20:27:31,782 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 20:27:31,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:31,967 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:31,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1006977722, now seen corresponding path program 1 times [2024-11-07 20:27:31,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:31,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103082594] [2024-11-07 20:27:31,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:31,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:32,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:32,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,249 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 20:27:32,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:32,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103082594] [2024-11-07 20:27:32,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103082594] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:32,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12058251] [2024-11-07 20:27:32,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:32,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:32,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:32,255 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 20:27:32,257 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 20:27:32,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:27:32,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:32,432 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:27:32,432 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:27:32,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12058251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:32,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:27:32,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-07 20:27:32,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014382221] [2024-11-07 20:27:32,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:32,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:27:32,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:32,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:27:32,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:27:32,436 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:27:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:32,552 INFO L93 Difference]: Finished difference Result 112 states and 116 transitions. [2024-11-07 20:27:32,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:27:32,553 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37 [2024-11-07 20:27:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:32,554 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:27:32,555 INFO L226 Difference]: Without dead ends: 111 [2024-11-07 20:27:32,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:27:32,556 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 79 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:32,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 373 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:32,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-07 20:27:32,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-11-07 20:27:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 103 states have internal predecessors, (105), 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 20:27:32,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2024-11-07 20:27:32,568 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 37 [2024-11-07 20:27:32,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:32,568 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2024-11-07 20:27:32,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-07 20:27:32,569 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2024-11-07 20:27:32,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:27:32,569 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:32,569 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] [2024-11-07 20:27:32,585 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 20:27:32,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:32,770 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:32,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1337946872, now seen corresponding path program 1 times [2024-11-07 20:27:32,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:32,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150181440] [2024-11-07 20:27:32,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:32,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,836 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 20:27:32,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:32,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150181440] [2024-11-07 20:27:32,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150181440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:32,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:32,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:32,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864867926] [2024-11-07 20:27:32,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:32,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:27:32,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:32,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:27:32,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:27:32,839 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:27:32,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:32,882 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2024-11-07 20:27:32,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:27:32,882 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 39 [2024-11-07 20:27:32,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:32,883 INFO L225 Difference]: With dead ends: 114 [2024-11-07 20:27:32,883 INFO L226 Difference]: Without dead ends: 113 [2024-11-07 20:27:32,884 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 20:27:32,884 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:32,885 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:27:32,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-07 20:27:32,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-07 20:27:32,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 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 20:27:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-07 20:27:32,899 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39 [2024-11-07 20:27:32,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:32,899 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-07 20:27:32,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 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 20:27:32,900 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-07 20:27:32,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:27:32,900 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:32,900 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 20:27:32,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:27:32,901 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:32,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:32,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1473320006, now seen corresponding path program 1 times [2024-11-07 20:27:32,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:32,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666963452] [2024-11-07 20:27:32,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:32,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:32,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:32,966 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 20:27:32,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:32,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666963452] [2024-11-07 20:27:32,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666963452] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:32,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:32,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:27:32,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140695461] [2024-11-07 20:27:32,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:32,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:27:32,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:32,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:27:32,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:27:32,970 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 20:27:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:33,049 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-07 20:27:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:27:33,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 40 [2024-11-07 20:27:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:33,051 INFO L225 Difference]: With dead ends: 115 [2024-11-07 20:27:33,051 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:27:33,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 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 20:27:33,052 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:33,052 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 212 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:33,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:27:33,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 20:27:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 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 20:27:33,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2024-11-07 20:27:33,058 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40 [2024-11-07 20:27:33,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:33,058 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2024-11-07 20:27:33,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 20:27:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2024-11-07 20:27:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:27:33,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:33,060 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] [2024-11-07 20:27:33,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:27:33,060 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:33,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1571719990, now seen corresponding path program 1 times [2024-11-07 20:27:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343285977] [2024-11-07 20:27:33,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:27:33,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [604166033] [2024-11-07 20:27:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:33,089 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 20:27:33,091 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 20:27:33,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,137 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-07 20:27:33,139 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:33,160 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 20:27:33,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:27:33,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:33,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343285977] [2024-11-07 20:27:33,160 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:27:33,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604166033] [2024-11-07 20:27:33,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604166033] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:33,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:33,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:33,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988665286] [2024-11-07 20:27:33,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:33,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:27:33,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:33,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:27:33,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:27:33,162 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 20:27:33,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:33,222 INFO L93 Difference]: Finished difference Result 150 states and 162 transitions. [2024-11-07 20:27:33,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:27:33,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 41 [2024-11-07 20:27:33,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:33,224 INFO L225 Difference]: With dead ends: 150 [2024-11-07 20:27:33,224 INFO L226 Difference]: Without dead ends: 149 [2024-11-07 20:27:33,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 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 20:27:33,225 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:33,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:33,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-07 20:27:33,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2024-11-07 20:27:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 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 20:27:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2024-11-07 20:27:33,232 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41 [2024-11-07 20:27:33,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:33,232 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2024-11-07 20:27:33,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (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 20:27:33,232 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2024-11-07 20:27:33,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:27:33,233 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:33,233 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] [2024-11-07 20:27:33,249 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 20:27:33,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-07 20:27:33,438 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:33,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:33,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1478679352, now seen corresponding path program 1 times [2024-11-07 20:27:33,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:33,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525775554] [2024-11-07 20:27:33,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:33,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:33,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:33,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:33,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,637 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 20:27:33,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:33,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525775554] [2024-11-07 20:27:33,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525775554] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:33,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [196506621] [2024-11-07 20:27:33,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:33,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:33,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:33,645 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 20:27:33,647 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 20:27:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:33,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:27:33,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:33,956 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 20:27:33,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:34,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [196506621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:34,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:27:34,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11 [2024-11-07 20:27:34,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376817661] [2024-11-07 20:27:34,249 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:34,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:27:34,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:34,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:27:34,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:27:34,251 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-07 20:27:34,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:34,544 INFO L93 Difference]: Finished difference Result 150 states and 161 transitions. [2024-11-07 20:27:34,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:27:34,545 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42 [2024-11-07 20:27:34,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:34,546 INFO L225 Difference]: With dead ends: 150 [2024-11-07 20:27:34,546 INFO L226 Difference]: Without dead ends: 149 [2024-11-07 20:27:34,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:27:34,547 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 324 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 568 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:34,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 568 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:27:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-07 20:27:34,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 116. [2024-11-07 20:27:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 108 states have internal predecessors, (110), 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 20:27:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2024-11-07 20:27:34,557 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 42 [2024-11-07 20:27:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:34,557 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2024-11-07 20:27:34,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-07 20:27:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2024-11-07 20:27:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:27:34,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:34,558 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 20:27:34,574 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 20:27:34,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-07 20:27:34,758 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:34,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:34,759 INFO L85 PathProgramCache]: Analyzing trace with hash 623320394, now seen corresponding path program 1 times [2024-11-07 20:27:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:34,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459126681] [2024-11-07 20:27:34,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:34,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:27:34,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [752301324] [2024-11-07 20:27:34,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:34,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:34,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:34,776 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 20:27:34,777 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 20:27:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:34,820 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:27:34,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:34,982 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:27:34,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:35,131 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:27:35,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459126681] [2024-11-07 20:27:35,132 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:27:35,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752301324] [2024-11-07 20:27:35,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752301324] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:27:35,132 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:27:35,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-07 20:27:35,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110728974] [2024-11-07 20:27:35,133 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:35,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:27:35,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:35,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:27:35,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:27:35,135 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:27:35,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:35,511 INFO L93 Difference]: Finished difference Result 192 states and 216 transitions. [2024-11-07 20:27:35,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:27:35,512 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44 [2024-11-07 20:27:35,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:35,513 INFO L225 Difference]: With dead ends: 192 [2024-11-07 20:27:35,513 INFO L226 Difference]: Without dead ends: 177 [2024-11-07 20:27:35,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:27:35,514 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 159 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 304 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 304 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:35,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 323 Invalid, 329 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 304 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:27:35,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-07 20:27:35,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159. [2024-11-07 20:27:35,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 124 states have (on average 1.4435483870967742) internal successors, (179), 150 states have internal predecessors, (179), 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 20:27:35,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 191 transitions. [2024-11-07 20:27:35,527 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 191 transitions. Word has length 44 [2024-11-07 20:27:35,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:35,527 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 191 transitions. [2024-11-07 20:27:35,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-07 20:27:35,527 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions. [2024-11-07 20:27:35,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:27:35,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:35,528 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 20:27:35,544 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 20:27:35,729 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 20:27:35,729 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:35,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:35,730 INFO L85 PathProgramCache]: Analyzing trace with hash 2010447308, now seen corresponding path program 1 times [2024-11-07 20:27:35,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:35,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684120009] [2024-11-07 20:27:35,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:27:35,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [895613626] [2024-11-07 20:27:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:35,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:35,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:35,753 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 20:27:35,757 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 20:27:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:35,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:27:35,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:35,825 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 20:27:35,825 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:27:35,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:35,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684120009] [2024-11-07 20:27:35,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:27:35,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895613626] [2024-11-07 20:27:35,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895613626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:35,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:35,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:27:35,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056292630] [2024-11-07 20:27:35,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:35,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:27:35,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:35,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:27:35,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:27:35,826 INFO L87 Difference]: Start difference. First operand 159 states and 191 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 20:27:35,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:35,933 INFO L93 Difference]: Finished difference Result 273 states and 337 transitions. [2024-11-07 20:27:35,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:27:35,933 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 46 [2024-11-07 20:27:35,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:35,935 INFO L225 Difference]: With dead ends: 273 [2024-11-07 20:27:35,935 INFO L226 Difference]: Without dead ends: 244 [2024-11-07 20:27:35,935 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 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 20:27:35,936 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:35,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 134 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:35,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-07 20:27:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236. [2024-11-07 20:27:35,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 199 states have (on average 1.3919597989949748) internal successors, (277), 225 states have internal predecessors, (277), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:35,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions. [2024-11-07 20:27:35,947 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 46 [2024-11-07 20:27:35,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:35,947 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 293 transitions. [2024-11-07 20:27:35,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 20:27:35,948 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions. [2024-11-07 20:27:35,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:27:35,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:35,948 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:35,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:27:36,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:36,149 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:36,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:36,150 INFO L85 PathProgramCache]: Analyzing trace with hash -70702230, now seen corresponding path program 1 times [2024-11-07 20:27:36,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:36,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814122761] [2024-11-07 20:27:36,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:36,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:36,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:36,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,260 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 20:27:36,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:36,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814122761] [2024-11-07 20:27:36,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814122761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:36,260 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:36,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:27:36,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130867140] [2024-11-07 20:27:36,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:36,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:27:36,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:36,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:27:36,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:27:36,262 INFO L87 Difference]: Start difference. First operand 236 states and 293 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (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 20:27:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:36,380 INFO L93 Difference]: Finished difference Result 236 states and 293 transitions. [2024-11-07 20:27:36,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:27:36,380 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (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 64 [2024-11-07 20:27:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:36,382 INFO L225 Difference]: With dead ends: 236 [2024-11-07 20:27:36,382 INFO L226 Difference]: Without dead ends: 235 [2024-11-07 20:27:36,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:27:36,382 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 101 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:36,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 178 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:36,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-11-07 20:27:36,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2024-11-07 20:27:36,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3718592964824121) internal successors, (273), 224 states have internal predecessors, (273), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions. [2024-11-07 20:27:36,397 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 64 [2024-11-07 20:27:36,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:36,398 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 289 transitions. [2024-11-07 20:27:36,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (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 20:27:36,398 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions. [2024-11-07 20:27:36,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:27:36,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:36,401 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:36,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 20:27:36,401 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:36,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:36,402 INFO L85 PathProgramCache]: Analyzing trace with hash -70702550, now seen corresponding path program 1 times [2024-11-07 20:27:36,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:36,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142641411] [2024-11-07 20:27:36,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:36,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:36,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:36,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,501 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 20:27:36,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:36,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142641411] [2024-11-07 20:27:36,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142641411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:36,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:36,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:27:36,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533253040] [2024-11-07 20:27:36,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:36,502 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:27:36,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:27:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:27:36,503 INFO L87 Difference]: Start difference. First operand 235 states and 289 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 20:27:36,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:36,638 INFO L93 Difference]: Finished difference Result 243 states and 290 transitions. [2024-11-07 20:27:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:27:36,639 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 64 [2024-11-07 20:27:36,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:36,640 INFO L225 Difference]: With dead ends: 243 [2024-11-07 20:27:36,640 INFO L226 Difference]: Without dead ends: 242 [2024-11-07 20:27:36,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 11 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 20:27:36,641 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 30 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:36,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 197 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:36,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-07 20:27:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235. [2024-11-07 20:27:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 199 states have (on average 1.3618090452261307) internal successors, (271), 224 states have internal predecessors, (271), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:36,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions. [2024-11-07 20:27:36,652 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 64 [2024-11-07 20:27:36,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:36,653 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 287 transitions. [2024-11-07 20:27:36,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 20:27:36,653 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions. [2024-11-07 20:27:36,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:27:36,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:36,654 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:36,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 20:27:36,654 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:36,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:36,655 INFO L85 PathProgramCache]: Analyzing trace with hash 2103198299, now seen corresponding path program 1 times [2024-11-07 20:27:36,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:36,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422367232] [2024-11-07 20:27:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:36,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:36,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,720 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 20:27:36,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:36,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422367232] [2024-11-07 20:27:36,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422367232] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:36,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:36,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:27:36,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060324472] [2024-11-07 20:27:36,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:36,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:27:36,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:36,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:27:36,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:27:36,723 INFO L87 Difference]: Start difference. First operand 235 states and 287 transitions. Second operand has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 20:27:36,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:36,844 INFO L93 Difference]: Finished difference Result 246 states and 298 transitions. [2024-11-07 20:27:36,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:27:36,844 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 65 [2024-11-07 20:27:36,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:36,845 INFO L225 Difference]: With dead ends: 246 [2024-11-07 20:27:36,846 INFO L226 Difference]: Without dead ends: 245 [2024-11-07 20:27:36,847 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 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 20:27:36,847 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 50 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:36,848 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 172 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:36,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-07 20:27:36,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234. [2024-11-07 20:27:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 223 states have internal predecessors, (267), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions. [2024-11-07 20:27:36,859 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 65 [2024-11-07 20:27:36,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:36,859 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 283 transitions. [2024-11-07 20:27:36,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 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 20:27:36,860 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions. [2024-11-07 20:27:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:27:36,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:36,860 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:36,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 20:27:36,860 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:36,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:36,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2103188369, now seen corresponding path program 1 times [2024-11-07 20:27:36,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:36,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046653479] [2024-11-07 20:27:36,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:36,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:36,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:36,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:36,959 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 20:27:36,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:36,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046653479] [2024-11-07 20:27:36,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046653479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:36,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:36,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:27:36,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528577740] [2024-11-07 20:27:36,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:36,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:27:36,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:36,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:27:36,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:27:36,960 INFO L87 Difference]: Start difference. First operand 234 states and 283 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 20:27:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:37,142 INFO L93 Difference]: Finished difference Result 237 states and 284 transitions. [2024-11-07 20:27:37,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:27:37,143 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 65 [2024-11-07 20:27:37,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:37,144 INFO L225 Difference]: With dead ends: 237 [2024-11-07 20:27:37,144 INFO L226 Difference]: Without dead ends: 236 [2024-11-07 20:27:37,144 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:27:37,144 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 118 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:37,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 152 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:27:37,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-07 20:27:37,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234. [2024-11-07 20:27:37,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 199 states have (on average 1.3316582914572865) internal successors, (265), 223 states have internal predecessors, (265), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:37,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions. [2024-11-07 20:27:37,164 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 65 [2024-11-07 20:27:37,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:37,165 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 281 transitions. [2024-11-07 20:27:37,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 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 20:27:37,165 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions. [2024-11-07 20:27:37,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:27:37,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:37,166 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:37,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 20:27:37,166 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:37,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:37,166 INFO L85 PathProgramCache]: Analyzing trace with hash 380438143, now seen corresponding path program 1 times [2024-11-07 20:27:37,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:37,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742339035] [2024-11-07 20:27:37,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:37,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,230 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:37,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:37,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742339035] [2024-11-07 20:27:37,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [742339035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:27:37,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:27:37,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:27:37,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325377263] [2024-11-07 20:27:37,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:27:37,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:27:37,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:37,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:27:37,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:27:37,232 INFO L87 Difference]: Start difference. First operand 234 states and 281 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 20:27:37,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:37,355 INFO L93 Difference]: Finished difference Result 239 states and 288 transitions. [2024-11-07 20:27:37,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:27:37,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 69 [2024-11-07 20:27:37,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:37,357 INFO L225 Difference]: With dead ends: 239 [2024-11-07 20:27:37,357 INFO L226 Difference]: Without dead ends: 238 [2024-11-07 20:27:37,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:27:37,358 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:37,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 172 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:27:37,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-07 20:27:37,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-07 20:27:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 201 states have (on average 1.3134328358208955) internal successors, (264), 225 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 280 transitions. [2024-11-07 20:27:37,370 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 280 transitions. Word has length 69 [2024-11-07 20:27:37,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:37,370 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 280 transitions. [2024-11-07 20:27:37,370 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 20:27:37,370 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 280 transitions. [2024-11-07 20:27:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:27:37,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:37,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:37,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 20:27:37,371 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:37,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:37,372 INFO L85 PathProgramCache]: Analyzing trace with hash -200498315, now seen corresponding path program 1 times [2024-11-07 20:27:37,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:37,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864369490] [2024-11-07 20:27:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:37,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:37,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,480 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:37,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864369490] [2024-11-07 20:27:37,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864369490] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:37,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446857743] [2024-11-07 20:27:37,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:37,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:37,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:37,483 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 20:27:37,485 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 20:27:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:37,528 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:27:37,529 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:37,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:37,821 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:37,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446857743] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:27:37,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:27:37,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-07 20:27:37,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577311894] [2024-11-07 20:27:37,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:37,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:27:37,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:37,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:27:37,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:27:37,823 INFO L87 Difference]: Start difference. First operand 236 states and 280 transitions. Second operand has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:27:38,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:38,387 INFO L93 Difference]: Finished difference Result 302 states and 368 transitions. [2024-11-07 20:27:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:27:38,387 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 69 [2024-11-07 20:27:38,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:38,389 INFO L225 Difference]: With dead ends: 302 [2024-11-07 20:27:38,389 INFO L226 Difference]: Without dead ends: 300 [2024-11-07 20:27:38,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2024-11-07 20:27:38,390 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 342 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:38,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 317 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:27:38,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-07 20:27:38,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 241. [2024-11-07 20:27:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 207 states have (on average 1.3043478260869565) internal successors, (270), 230 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 286 transitions. [2024-11-07 20:27:38,405 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 286 transitions. Word has length 69 [2024-11-07 20:27:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:38,405 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 286 transitions. [2024-11-07 20:27:38,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:27:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 286 transitions. [2024-11-07 20:27:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 20:27:38,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:38,407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:38,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-07 20:27:38,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:27:38,607 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:38,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:38,608 INFO L85 PathProgramCache]: Analyzing trace with hash -1091319377, now seen corresponding path program 1 times [2024-11-07 20:27:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047377880] [2024-11-07 20:27:38,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,700 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:38,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047377880] [2024-11-07 20:27:38,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047377880] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:38,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774999932] [2024-11-07 20:27:38,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:38,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:38,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:38,705 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 20:27:38,707 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 20:27:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:38,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:27:38,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:38,929 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:38,929 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:39,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774999932] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:27:39,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:27:39,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-11-07 20:27:39,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962020101] [2024-11-07 20:27:39,063 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:39,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-07 20:27:39,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:39,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-07 20:27:39,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:27:39,064 INFO L87 Difference]: Start difference. First operand 241 states and 286 transitions. Second operand has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-07 20:27:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:27:39,485 INFO L93 Difference]: Finished difference Result 275 states and 326 transitions. [2024-11-07 20:27:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:27:39,485 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 70 [2024-11-07 20:27:39,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:27:39,486 INFO L225 Difference]: With dead ends: 275 [2024-11-07 20:27:39,486 INFO L226 Difference]: Without dead ends: 273 [2024-11-07 20:27:39,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2024-11-07 20:27:39,487 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 242 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:27:39,487 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 236 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 462 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:27:39,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-07 20:27:39,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 246. [2024-11-07 20:27:39,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 212 states have (on average 1.2735849056603774) internal successors, (270), 235 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:27:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions. [2024-11-07 20:27:39,498 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 70 [2024-11-07 20:27:39,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:27:39,499 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 286 transitions. [2024-11-07 20:27:39,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-11-07 20:27:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions. [2024-11-07 20:27:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 20:27:39,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:27:39,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:27:39,516 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 20:27:39,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:39,705 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-07 20:27:39,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:27:39,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1920480391, now seen corresponding path program 1 times [2024-11-07 20:27:39,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:27:39,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144821338] [2024-11-07 20:27:39,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:39,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:27:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:27:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:27:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 20:27:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-07 20:27:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:27:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:39,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:27:39,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144821338] [2024-11-07 20:27:39,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144821338] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:27:39,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1642034343] [2024-11-07 20:27:39,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:27:39,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:27:39,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:27:39,789 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 20:27:39,790 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 20:27:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:27:39,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:27:39,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:27:58,176 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_48| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_48| |v_ULTIMATE.start_main_~R~0#1_48|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2024-11-07 20:27:58,210 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2024-11-07 20:27:58,210 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:27:58,342 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:27:58,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1642034343] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:27:58,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:27:58,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-07 20:27:58,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063248632] [2024-11-07 20:27:58,343 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:27:58,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:27:58,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:27:58,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:27:58,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182 [2024-11-07 20:27:58,345 INFO L87 Difference]: Start difference. First operand 246 states and 286 transitions. Second operand has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-07 20:28:03,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:14,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:18,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:19,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:23,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:27,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:29,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:33,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:37,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:38,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:39,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:43,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:47,606 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:51,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:55,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:28:59,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:29:03,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:29:07,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:29:11,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]