./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/prodbin-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/prodbin-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', '34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a'] 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/prodbin-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 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:43:09,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:43:09,831 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:43:09,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:43:09,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:43:09,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:43:09,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:43:09,858 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:43:09,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:43:09,859 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:43:09,860 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:43:09,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:43:09,860 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:43:09,860 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:43:09,861 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:43:09,861 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:43:09,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:43:09,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:43:09,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:43:09,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:43:09,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:43:09,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:43:09,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:43:09,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:43:09,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:43:09,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:43:09,865 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 -> 34f640e37bae156029b1a359a4abe58394472212f3f36aea9107706542ec544a [2024-11-07 20:43:10,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:43:10,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:43:10,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:43:10,229 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:43:10,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:43:10,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-11-07 20:43:11,479 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:43:11,687 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:43:11,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/prodbin-ll_valuebound5.c [2024-11-07 20:43:11,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5ec8301b6/c570ee960a8f4c6d99ea3b5a1f570bae/FLAGc39355b6f [2024-11-07 20:43:11,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/5ec8301b6/c570ee960a8f4c6d99ea3b5a1f570bae [2024-11-07 20:43:11,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:43:11,721 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:43:11,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:43:11,724 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:43:11,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:43:11,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605a7812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11, skipping insertion in model container [2024-11-07 20:43:11,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,747 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:43:11,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:43:11,900 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:43:11,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:43:11,932 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:43:11,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11 WrapperNode [2024-11-07 20:43:11,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:43:11,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:43:11,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:43:11,935 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:43:11,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,947 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,968 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-11-07 20:43:11,970 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:43:11,971 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:43:11,971 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:43:11,972 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:43:11,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,981 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,996 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 20:43:11,996 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:11,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:12,003 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:12,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:12,008 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:12,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:43:12,014 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:43:12,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:43:12,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:43:12,015 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (1/1) ... [2024-11-07 20:43:12,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:43:12,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:12,048 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 20:43:12,051 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 20:43:12,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:43:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:43:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:43:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:43:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:43:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:43:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:43:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:43:12,121 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:43:12,123 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:43:12,413 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-07 20:43:12,413 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:43:12,425 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:43:12,426 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:43:12,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:43:12 BoogieIcfgContainer [2024-11-07 20:43:12,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:43:12,429 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:43:12,429 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:43:12,433 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:43:12,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:43:11" (1/3) ... [2024-11-07 20:43:12,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b209e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:43:12, skipping insertion in model container [2024-11-07 20:43:12,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:43:11" (2/3) ... [2024-11-07 20:43:12,434 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b209e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:43:12, skipping insertion in model container [2024-11-07 20:43:12,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:43:12" (3/3) ... [2024-11-07 20:43:12,435 INFO L112 eAbstractionObserver]: Analyzing ICFG prodbin-ll_valuebound5.c [2024-11-07 20:43:12,450 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:43:12,450 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-07 20:43:12,500 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:43:12,511 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;@21716a7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:43:12,511 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-07 20:43:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 50 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:43:12,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 20:43:12,523 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:12,524 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:12,524 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:12,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:12,530 INFO L85 PathProgramCache]: Analyzing trace with hash -1622881369, now seen corresponding path program 1 times [2024-11-07 20:43:12,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:12,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33244325] [2024-11-07 20:43:12,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:12,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:12,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:12,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:12,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:12,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:12,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:12,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:12,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:12,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33244325] [2024-11-07 20:43:12,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33244325] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:12,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:12,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:43:12,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36927207] [2024-11-07 20:43:12,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:12,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:43:12,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:12,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:43:12,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:43:12,695 INFO L87 Difference]: Start difference. First operand has 58 states, 34 states have (on average 1.6470588235294117) internal successors, (56), 50 states have internal predecessors, (56), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:43:12,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:12,712 INFO L93 Difference]: Finished difference Result 112 states and 132 transitions. [2024-11-07 20:43:12,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:43:12,714 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 21 [2024-11-07 20:43:12,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:12,718 INFO L225 Difference]: With dead ends: 112 [2024-11-07 20:43:12,719 INFO L226 Difference]: Without dead ends: 51 [2024-11-07 20:43:12,721 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 20:43:12,726 INFO L432 NwaCegarLoop]: 61 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, 61 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 20:43:12,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:12,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-07 20:43:12,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-07 20:43:12,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 44 states have internal predecessors, (46), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:12,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 54 transitions. [2024-11-07 20:43:12,768 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 54 transitions. Word has length 21 [2024-11-07 20:43:12,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:12,768 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 54 transitions. [2024-11-07 20:43:12,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:43:12,770 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 54 transitions. [2024-11-07 20:43:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 20:43:12,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:12,771 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:12,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:43:12,773 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:12,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:12,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1842060905, now seen corresponding path program 1 times [2024-11-07 20:43:12,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:12,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469744399] [2024-11-07 20:43:12,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:12,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:12,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1587593568] [2024-11-07 20:43:12,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:12,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:12,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:12,838 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 20:43:12,839 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 20:43:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:12,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 20:43:12,897 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:13,107 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:13,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:13,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:13,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469744399] [2024-11-07 20:43:13,111 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:13,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1587593568] [2024-11-07 20:43:13,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1587593568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:13,111 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:13,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:43:13,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594471289] [2024-11-07 20:43:13,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:13,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:43:13,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:13,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:43:13,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:43:13,113 INFO L87 Difference]: Start difference. First operand 51 states and 54 transitions. Second operand has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:43:13,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:13,355 INFO L93 Difference]: Finished difference Result 75 states and 92 transitions. [2024-11-07 20:43:13,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:43:13,355 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 21 [2024-11-07 20:43:13,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:13,356 INFO L225 Difference]: With dead ends: 75 [2024-11-07 20:43:13,356 INFO L226 Difference]: Without dead ends: 63 [2024-11-07 20:43:13,357 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:43:13,357 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 132 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:13,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 81 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:43:13,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-07 20:43:13,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2024-11-07 20:43:13,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 42 states have (on average 1.4761904761904763) internal successors, (62), 53 states have internal predecessors, (62), 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 20:43:13,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 72 transitions. [2024-11-07 20:43:13,370 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 72 transitions. Word has length 21 [2024-11-07 20:43:13,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:13,371 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 72 transitions. [2024-11-07 20:43:13,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:43:13,371 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 72 transitions. [2024-11-07 20:43:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 20:43:13,372 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:13,372 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:13,389 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 20:43:13,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:13,573 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:13,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:13,573 INFO L85 PathProgramCache]: Analyzing trace with hash 1269313257, now seen corresponding path program 1 times [2024-11-07 20:43:13,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:13,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795488046] [2024-11-07 20:43:13,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:13,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:13,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1918926792] [2024-11-07 20:43:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:13,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:13,611 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 20:43:13,614 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 20:43:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:13,655 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:43:13,657 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:13,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:13,801 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:43:13,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:13,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [795488046] [2024-11-07 20:43:13,801 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:13,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1918926792] [2024-11-07 20:43:13,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1918926792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:13,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:13,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:43:13,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236932880] [2024-11-07 20:43:13,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:13,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:43:13,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:13,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:43:13,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:43:13,804 INFO L87 Difference]: Start difference. First operand 61 states and 72 transitions. Second operand has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:43:14,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:14,012 INFO L93 Difference]: Finished difference Result 65 states and 74 transitions. [2024-11-07 20:43:14,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:43:14,013 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 22 [2024-11-07 20:43:14,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:14,014 INFO L225 Difference]: With dead ends: 65 [2024-11-07 20:43:14,014 INFO L226 Difference]: Without dead ends: 62 [2024-11-07 20:43:14,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:43:14,015 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 63 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:14,015 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 106 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:43:14,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-07 20:43:14,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-07 20:43:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 54 states have internal predecessors, (61), 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 20:43:14,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 71 transitions. [2024-11-07 20:43:14,022 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 71 transitions. Word has length 22 [2024-11-07 20:43:14,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:14,022 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 71 transitions. [2024-11-07 20:43:14,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:43:14,022 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2024-11-07 20:43:14,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-07 20:43:14,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:14,025 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:14,041 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:14,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:14,226 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:14,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:14,226 INFO L85 PathProgramCache]: Analyzing trace with hash 694005355, now seen corresponding path program 1 times [2024-11-07 20:43:14,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:14,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827396026] [2024-11-07 20:43:14,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:14,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:14,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:14,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827396026] [2024-11-07 20:43:14,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827396026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:14,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:14,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:14,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172701987] [2024-11-07 20:43:14,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:14,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:14,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:14,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:14,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:14,382 INFO L87 Difference]: Start difference. First operand 62 states and 71 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:43:14,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:14,539 INFO L93 Difference]: Finished difference Result 85 states and 99 transitions. [2024-11-07 20:43:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:14,540 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 23 [2024-11-07 20:43:14,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:14,542 INFO L225 Difference]: With dead ends: 85 [2024-11-07 20:43:14,542 INFO L226 Difference]: Without dead ends: 84 [2024-11-07 20:43:14,542 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 20:43:14,545 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 27 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:14,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 74 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:14,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-07 20:43:14,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2024-11-07 20:43:14,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 67 states have internal predecessors, (81), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:43:14,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2024-11-07 20:43:14,559 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 23 [2024-11-07 20:43:14,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:14,560 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2024-11-07 20:43:14,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:43:14,561 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2024-11-07 20:43:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-07 20:43:14,561 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:14,561 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:14,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:43:14,562 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:14,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 39329579, now seen corresponding path program 1 times [2024-11-07 20:43:14,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:14,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415249262] [2024-11-07 20:43:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:14,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:14,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:14,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415249262] [2024-11-07 20:43:14,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415249262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:14,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:14,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:14,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965617481] [2024-11-07 20:43:14,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:14,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:14,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:14,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:14,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:14,682 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:43:15,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:15,030 INFO L93 Difference]: Finished difference Result 85 states and 97 transitions. [2024-11-07 20:43:15,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:15,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2024-11-07 20:43:15,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:15,031 INFO L225 Difference]: With dead ends: 85 [2024-11-07 20:43:15,032 INFO L226 Difference]: Without dead ends: 84 [2024-11-07 20:43:15,032 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:15,033 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:15,033 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 95 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:43:15,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-07 20:43:15,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 76. [2024-11-07 20:43:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.4107142857142858) internal successors, (79), 67 states have internal predecessors, (79), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:43:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 91 transitions. [2024-11-07 20:43:15,041 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 91 transitions. Word has length 24 [2024-11-07 20:43:15,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:15,041 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 91 transitions. [2024-11-07 20:43:15,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:43:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 91 transitions. [2024-11-07 20:43:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-07 20:43:15,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:15,042 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:15,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:43:15,043 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:15,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:15,043 INFO L85 PathProgramCache]: Analyzing trace with hash 1372730465, now seen corresponding path program 1 times [2024-11-07 20:43:15,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:15,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748184305] [2024-11-07 20:43:15,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:15,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:15,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,140 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:15,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:15,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748184305] [2024-11-07 20:43:15,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748184305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:15,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:15,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:15,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437747906] [2024-11-07 20:43:15,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:15,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:15,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:15,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:15,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:15,143 INFO L87 Difference]: Start difference. First operand 76 states and 91 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:15,207 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2024-11-07 20:43:15,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:15,208 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 34 [2024-11-07 20:43:15,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:15,209 INFO L225 Difference]: With dead ends: 77 [2024-11-07 20:43:15,209 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:43:15,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 20:43:15,209 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 49 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:15,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 75 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:15,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:43:15,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 20:43:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.3928571428571428) internal successors, (78), 67 states have internal predecessors, (78), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:43:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 90 transitions. [2024-11-07 20:43:15,220 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 90 transitions. Word has length 34 [2024-11-07 20:43:15,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:15,221 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 90 transitions. [2024-11-07 20:43:15,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 90 transitions. [2024-11-07 20:43:15,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-07 20:43:15,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:15,224 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:15,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:43:15,225 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:15,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash -395028474, now seen corresponding path program 1 times [2024-11-07 20:43:15,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:15,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514299579] [2024-11-07 20:43:15,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:15,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:15,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:15,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:15,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:15,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:15,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514299579] [2024-11-07 20:43:15,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514299579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:15,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:15,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:15,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392507470] [2024-11-07 20:43:15,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:15,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:15,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:15,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:15,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:15,348 INFO L87 Difference]: Start difference. First operand 76 states and 90 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:15,411 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-07 20:43:15,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:15,411 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2024-11-07 20:43:15,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:15,412 INFO L225 Difference]: With dead ends: 77 [2024-11-07 20:43:15,412 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:43:15,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 20:43:15,413 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 47 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:15,414 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 76 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:15,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:43:15,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 20:43:15,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 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 20:43:15,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2024-11-07 20:43:15,423 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 35 [2024-11-07 20:43:15,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:15,424 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2024-11-07 20:43:15,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,424 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2024-11-07 20:43:15,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-07 20:43:15,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:15,426 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:15,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:43:15,426 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1655665294, now seen corresponding path program 1 times [2024-11-07 20:43:15,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:15,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822670865] [2024-11-07 20:43:15,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:15,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:15,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:15,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:15,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822670865] [2024-11-07 20:43:15,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822670865] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:15,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:15,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:43:15,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911922876] [2024-11-07 20:43:15,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:15,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:43:15,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:15,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:43:15,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:43:15,577 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:43:15,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:15,632 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2024-11-07 20:43:15,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:15,633 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 37 [2024-11-07 20:43:15,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:15,635 INFO L225 Difference]: With dead ends: 76 [2024-11-07 20:43:15,635 INFO L226 Difference]: Without dead ends: 74 [2024-11-07 20:43:15,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 1 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 20:43:15,636 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 46 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:15,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 53 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:15,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-07 20:43:15,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2024-11-07 20:43:15,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 55 states have (on average 1.3272727272727274) internal successors, (73), 64 states have internal predecessors, (73), 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 20:43:15,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 85 transitions. [2024-11-07 20:43:15,653 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 85 transitions. Word has length 37 [2024-11-07 20:43:15,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:15,654 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 85 transitions. [2024-11-07 20:43:15,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:43:15,654 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 85 transitions. [2024-11-07 20:43:15,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-07 20:43:15,654 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:15,655 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:15,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:43:15,655 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:15,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:15,655 INFO L85 PathProgramCache]: Analyzing trace with hash -82805336, now seen corresponding path program 1 times [2024-11-07 20:43:15,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:15,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146278298] [2024-11-07 20:43:15,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:15,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,737 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:15,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:15,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146278298] [2024-11-07 20:43:15,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146278298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:15,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:15,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:15,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853879163] [2024-11-07 20:43:15,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:15,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:15,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:15,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:15,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:15,742 INFO L87 Difference]: Start difference. First operand 73 states and 85 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:15,798 INFO L93 Difference]: Finished difference Result 77 states and 90 transitions. [2024-11-07 20:43:15,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:15,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 38 [2024-11-07 20:43:15,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:15,800 INFO L225 Difference]: With dead ends: 77 [2024-11-07 20:43:15,800 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:43:15,800 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 20:43:15,801 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 48 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:15,801 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 71 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:43:15,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2024-11-07 20:43:15,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 66 states have internal predecessors, (75), 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 20:43:15,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 87 transitions. [2024-11-07 20:43:15,815 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 87 transitions. Word has length 38 [2024-11-07 20:43:15,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:15,816 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 87 transitions. [2024-11-07 20:43:15,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:15,816 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 87 transitions. [2024-11-07 20:43:15,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:43:15,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:15,816 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:15,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:43:15,816 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:15,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:15,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1728001962, now seen corresponding path program 1 times [2024-11-07 20:43:15,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:15,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882188560] [2024-11-07 20:43:15,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:15,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:15,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:15,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:15,901 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:15,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:15,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882188560] [2024-11-07 20:43:15,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882188560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:15,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:15,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:15,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870365364] [2024-11-07 20:43:15,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:15,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:15,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:15,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:15,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:15,907 INFO L87 Difference]: Start difference. First operand 75 states and 87 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:16,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:16,006 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2024-11-07 20:43:16,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:16,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 39 [2024-11-07 20:43:16,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:16,008 INFO L225 Difference]: With dead ends: 77 [2024-11-07 20:43:16,010 INFO L226 Difference]: Without dead ends: 76 [2024-11-07 20:43:16,011 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 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 20:43:16,011 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 46 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:16,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 72 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:16,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-07 20:43:16,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-07 20:43:16,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 67 states have internal predecessors, (76), 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 20:43:16,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-07 20:43:16,018 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 39 [2024-11-07 20:43:16,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:16,019 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-07 20:43:16,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:43:16,019 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-07 20:43:16,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-07 20:43:16,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:16,020 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:16,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:43:16,020 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:16,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1956446540, now seen corresponding path program 1 times [2024-11-07 20:43:16,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:16,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308493197] [2024-11-07 20:43:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:16,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1535038534] [2024-11-07 20:43:16,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:16,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:16,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:16,052 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 20:43:16,054 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 20:43:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:16,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 20:43:16,110 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:16,398 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:17,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:17,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308493197] [2024-11-07 20:43:17,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:17,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1535038534] [2024-11-07 20:43:17,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1535038534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:17,807 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:17,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-07 20:43:17,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767636791] [2024-11-07 20:43:17,808 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:17,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:43:17,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:17,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:43:17,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:43:17,810 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:18,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:18,023 INFO L93 Difference]: Finished difference Result 89 states and 109 transitions. [2024-11-07 20:43:18,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:43:18,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 39 [2024-11-07 20:43:18,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:18,024 INFO L225 Difference]: With dead ends: 89 [2024-11-07 20:43:18,024 INFO L226 Difference]: Without dead ends: 85 [2024-11-07 20:43:18,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:43:18,025 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 75 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:18,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 92 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:18,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-07 20:43:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 71. [2024-11-07 20:43:18,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 57 states have (on average 1.1929824561403508) internal successors, (68), 62 states have internal predecessors, (68), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:43:18,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 80 transitions. [2024-11-07 20:43:18,030 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 80 transitions. Word has length 39 [2024-11-07 20:43:18,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:18,031 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 80 transitions. [2024-11-07 20:43:18,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.111111111111111) internal successors, (28), 9 states have internal predecessors, (28), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:18,031 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2024-11-07 20:43:18,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-07 20:43:18,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:18,032 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:18,048 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:18,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:18,236 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:18,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:18,236 INFO L85 PathProgramCache]: Analyzing trace with hash -520300546, now seen corresponding path program 1 times [2024-11-07 20:43:18,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:18,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908885324] [2024-11-07 20:43:18,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:18,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:18,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1717334150] [2024-11-07 20:43:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:18,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:18,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:18,253 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 20:43:18,254 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 20:43:18,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:18,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-07 20:43:18,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:22,149 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:24,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:24,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908885324] [2024-11-07 20:43:24,962 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:24,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717334150] [2024-11-07 20:43:24,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717334150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:24,962 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:24,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:43:24,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187948334] [2024-11-07 20:43:24,963 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:24,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:43:24,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:24,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:43:24,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:43:24,964 INFO L87 Difference]: Start difference. First operand 71 states and 80 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:26,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:43:34,699 WARN L539 Checker$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 20:43:38,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:43:45,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:43:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:45,874 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2024-11-07 20:43:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:43:45,875 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 40 [2024-11-07 20:43:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:45,876 INFO L225 Difference]: With dead ends: 93 [2024-11-07 20:43:45,876 INFO L226 Difference]: Without dead ends: 91 [2024-11-07 20:43:45,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=146, Invalid=357, Unknown=3, NotChecked=0, Total=506 [2024-11-07 20:43:45,877 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 96 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 12 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:45,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 107 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 293 Invalid, 4 Unknown, 0 Unchecked, 12.7s Time] [2024-11-07 20:43:45,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-07 20:43:45,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 76. [2024-11-07 20:43:45,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 62 states have (on average 1.1451612903225807) internal successors, (71), 67 states have internal predecessors, (71), 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 20:43:45,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 83 transitions. [2024-11-07 20:43:45,887 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 83 transitions. Word has length 40 [2024-11-07 20:43:45,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:45,887 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 83 transitions. [2024-11-07 20:43:45,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 states have internal predecessors, (29), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 83 transitions. [2024-11-07 20:43:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:43:45,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:45,889 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:45,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:46,089 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,SelfDestructingSolverStorable11 [2024-11-07 20:43:46,090 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:46,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:46,090 INFO L85 PathProgramCache]: Analyzing trace with hash 566920068, now seen corresponding path program 1 times [2024-11-07 20:43:46,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:46,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169283170] [2024-11-07 20:43:46,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:46,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:46,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:46,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869676827] [2024-11-07 20:43:46,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:46,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:46,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:46,111 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 20:43:46,112 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 20:43:46,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:46,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:43:46,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:46,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:46,517 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:43:47,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:47,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169283170] [2024-11-07 20:43:47,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:47,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869676827] [2024-11-07 20:43:47,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869676827] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:47,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:43:47,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-07 20:43:47,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276104302] [2024-11-07 20:43:47,667 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:47,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:43:47,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:47,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:43:47,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:43:47,668 INFO L87 Difference]: Start difference. First operand 76 states and 83 transitions. Second operand has 14 states, 13 states have (on average 3.923076923076923) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:43:50,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:50,400 INFO L93 Difference]: Finished difference Result 95 states and 111 transitions. [2024-11-07 20:43:50,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 20:43:50,400 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.923076923076923) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 44 [2024-11-07 20:43:50,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:50,401 INFO L225 Difference]: With dead ends: 95 [2024-11-07 20:43:50,401 INFO L226 Difference]: Without dead ends: 94 [2024-11-07 20:43:50,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:43:50,402 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 91 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:50,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 100 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-07 20:43:50,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-07 20:43:50,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 68. [2024-11-07 20:43:50,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 59 states have internal predecessors, (63), 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 20:43:50,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 75 transitions. [2024-11-07 20:43:50,408 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 75 transitions. Word has length 44 [2024-11-07 20:43:50,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:50,408 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 75 transitions. [2024-11-07 20:43:50,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.923076923076923) internal successors, (51), 14 states have internal predecessors, (51), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:43:50,409 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2024-11-07 20:43:50,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:43:50,409 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:50,409 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:50,425 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 20:43:50,610 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,SelfDestructingSolverStorable12 [2024-11-07 20:43:50,610 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:50,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:50,611 INFO L85 PathProgramCache]: Analyzing trace with hash 394652976, now seen corresponding path program 1 times [2024-11-07 20:43:50,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:50,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1740527380] [2024-11-07 20:43:50,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:50,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:50,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:50,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1740527380] [2024-11-07 20:43:50,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1740527380] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:50,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869873401] [2024-11-07 20:43:50,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:50,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:50,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:50,836 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 20:43:50,838 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 20:43:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:50,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:43:50,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:50,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:51,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:51,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869873401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:51,126 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:51,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 13 [2024-11-07 20:43:51,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907829773] [2024-11-07 20:43:51,126 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:51,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:43:51,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:51,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:43:51,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:43:51,128 INFO L87 Difference]: Start difference. First operand 68 states and 75 transitions. Second operand has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:43:51,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:51,308 INFO L93 Difference]: Finished difference Result 72 states and 81 transitions. [2024-11-07 20:43:51,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:43:51,308 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) Word has length 45 [2024-11-07 20:43:51,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:51,309 INFO L225 Difference]: With dead ends: 72 [2024-11-07 20:43:51,309 INFO L226 Difference]: Without dead ends: 70 [2024-11-07 20:43:51,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=225, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:43:51,310 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 86 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:51,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 118 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:51,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-07 20:43:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 66. [2024-11-07 20:43:51,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 55 states have (on average 1.1090909090909091) internal successors, (61), 57 states have internal predecessors, (61), 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 20:43:51,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 73 transitions. [2024-11-07 20:43:51,322 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 73 transitions. Word has length 45 [2024-11-07 20:43:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:51,323 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 73 transitions. [2024-11-07 20:43:51,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.923076923076923) internal successors, (64), 14 states have internal predecessors, (64), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (9), 5 states have call predecessors, (9), 6 states have call successors, (9) [2024-11-07 20:43:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 73 transitions. [2024-11-07 20:43:51,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:43:51,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:51,324 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:51,340 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 20:43:51,527 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,SelfDestructingSolverStorable13 [2024-11-07 20:43:51,528 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:51,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:51,528 INFO L85 PathProgramCache]: Analyzing trace with hash -650659578, now seen corresponding path program 1 times [2024-11-07 20:43:51,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:51,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046279086] [2024-11-07 20:43:51,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:51,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:51,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [742418760] [2024-11-07 20:43:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:51,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:51,544 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 20:43:51,546 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 20:43:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:51,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 20:43:51,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:51,927 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-07 20:43:51,927 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:55,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046279086] [2024-11-07 20:43:55,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:43:55,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [742418760] [2024-11-07 20:43:55,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [742418760] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:55,325 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:43:55,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-07 20:43:55,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423479379] [2024-11-07 20:43:55,326 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:55,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-07 20:43:55,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:55,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-07 20:43:55,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=362, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:43:55,326 INFO L87 Difference]: Start difference. First operand 66 states and 73 transitions. Second operand has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:55,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:55,690 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2024-11-07 20:43:55,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:43:55,691 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) Word has length 46 [2024-11-07 20:43:55,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:55,691 INFO L225 Difference]: With dead ends: 88 [2024-11-07 20:43:55,691 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:43:55,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=221, Invalid=649, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:43:55,692 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 93 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 344 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:55,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 140 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 344 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:43:55,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:43:55,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2024-11-07 20:43:55,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 70 states have (on average 1.1) internal successors, (77), 72 states have internal predecessors, (77), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:43:55,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2024-11-07 20:43:55,699 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 46 [2024-11-07 20:43:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:55,700 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2024-11-07 20:43:55,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 4 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:43:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-11-07 20:43:55,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:43:55,701 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:55,701 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:55,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-07 20:43:55,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:55,902 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:55,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:55,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1930700527, now seen corresponding path program 1 times [2024-11-07 20:43:55,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:55,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71918257] [2024-11-07 20:43:55,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:55,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:43:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:43:55,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:55,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71918257] [2024-11-07 20:43:55,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71918257] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:43:55,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:43:55,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:43:55,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581394296] [2024-11-07 20:43:55,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:43:55,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:43:55,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:55,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:43:55,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:43:55,989 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:43:56,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:56,029 INFO L93 Difference]: Finished difference Result 87 states and 96 transitions. [2024-11-07 20:43:56,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:43:56,030 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 53 [2024-11-07 20:43:56,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:56,031 INFO L225 Difference]: With dead ends: 87 [2024-11-07 20:43:56,031 INFO L226 Difference]: Without dead ends: 86 [2024-11-07 20:43:56,031 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 20:43:56,031 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:56,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 101 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:43:56,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-07 20:43:56,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 82. [2024-11-07 20:43:56,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 70 states have (on average 1.1) internal successors, (77), 72 states have internal predecessors, (77), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:43:56,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 91 transitions. [2024-11-07 20:43:56,042 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 91 transitions. Word has length 53 [2024-11-07 20:43:56,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:56,042 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 91 transitions. [2024-11-07 20:43:56,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:43:56,043 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2024-11-07 20:43:56,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 20:43:56,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:56,044 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:56,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 20:43:56,045 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:56,045 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:56,045 INFO L85 PathProgramCache]: Analyzing trace with hash 308886325, now seen corresponding path program 1 times [2024-11-07 20:43:56,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:56,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943154645] [2024-11-07 20:43:56,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:56,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:43:56,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:43:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:43:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 20:43:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-07 20:43:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,136 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:43:56,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:43:56,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943154645] [2024-11-07 20:43:56,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943154645] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:43:56,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788499358] [2024-11-07 20:43:56,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:56,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:56,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:56,139 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 20:43:56,141 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 20:43:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:43:56,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:43:56,222 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:43:56,290 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-07 20:43:56,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788499358] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:43:56,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:43:56,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-07 20:43:56,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333972633] [2024-11-07 20:43:56,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:43:56,290 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:43:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:43:56,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:43:56,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:43:56,291 INFO L87 Difference]: Start difference. First operand 82 states and 91 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-07 20:43:56,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:43:56,396 INFO L93 Difference]: Finished difference Result 179 states and 204 transitions. [2024-11-07 20:43:56,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:43:56,396 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) Word has length 57 [2024-11-07 20:43:56,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:43:56,398 INFO L225 Difference]: With dead ends: 179 [2024-11-07 20:43:56,398 INFO L226 Difference]: Without dead ends: 178 [2024-11-07 20:43:56,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:43:56,399 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 110 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:43:56,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 111 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:43:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-07 20:43:56,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 168. [2024-11-07 20:43:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.1059602649006623) internal successors, (167), 153 states have internal predecessors, (167), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:43:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 191 transitions. [2024-11-07 20:43:56,415 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 191 transitions. Word has length 57 [2024-11-07 20:43:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:43:56,416 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 191 transitions. [2024-11-07 20:43:56,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 6 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 6 states have call predecessors, (10), 6 states have call successors, (10) [2024-11-07 20:43:56,416 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 191 transitions. [2024-11-07 20:43:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:43:56,417 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:43:56,417 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:43:56,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:43:56,617 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,SelfDestructingSolverStorable16 [2024-11-07 20:43:56,617 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-07 20:43:56,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:43:56,618 INFO L85 PathProgramCache]: Analyzing trace with hash -680275941, now seen corresponding path program 1 times [2024-11-07 20:43:56,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:43:56,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445931312] [2024-11-07 20:43:56,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:56,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:43:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:43:56,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1934441398] [2024-11-07 20:43:56,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:43:56,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:43:56,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:43:56,642 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 20:43:56,644 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 20:43:56,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:43:56,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-07 20:43:56,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:43:57,592 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:43:57,592 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:44:32,767 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 10 proven. 17 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-07 20:44:32,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:44:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445931312] [2024-11-07 20:44:32,767 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:44:32,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1934441398] [2024-11-07 20:44:32,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1934441398] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:44:32,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:44:32,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 26 [2024-11-07 20:44:32,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787536684] [2024-11-07 20:44:32,768 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:44:32,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-11-07 20:44:32,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:44:32,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-11-07 20:44:32,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-11-07 20:44:32,769 INFO L87 Difference]: Start difference. First operand 168 states and 191 transitions. Second operand has 27 states, 26 states have (on average 3.3076923076923075) internal successors, (86), 26 states have internal predecessors, (86), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2024-11-07 20:44:36,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:44:38,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:44:45,834 WARN L286 SmtUtils]: Spent 5.09s on a formula simplification. DAG size of input: 77 DAG size of output: 63 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)