./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.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', 'e587d407128aaafd417211e5ccf66790913a0bc1afeba03ae0cdb578f5831614'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.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 e587d407128aaafd417211e5ccf66790913a0bc1afeba03ae0cdb578f5831614 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:22:17,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:22:18,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:22:18,108 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:22:18,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:22:18,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:22:18,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:22:18,142 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:22:18,142 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:22:18,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:22:18,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:22:18,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:22:18,143 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:22:18,143 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:22:18,143 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:22:18,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:22:18,145 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:22:18,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:22:18,146 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:22:18,146 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:22:18,147 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:22:18,147 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:22:18,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:22:18,147 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 -> e587d407128aaafd417211e5ccf66790913a0bc1afeba03ae0cdb578f5831614 [2024-11-07 20:22:18,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:22:18,434 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:22:18,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:22:18,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:22:18,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:22:18,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-11-07 20:22:19,674 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:22:19,878 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:22:19,879 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd2-ll_valuebound20.c [2024-11-07 20:22:19,886 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b5d83bc7/c069f2f3ae84483fb5ddc3e3b63e2cf5/FLAG8af275759 [2024-11-07 20:22:20,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7b5d83bc7/c069f2f3ae84483fb5ddc3e3b63e2cf5 [2024-11-07 20:22:20,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:22:20,250 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:22:20,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:22:20,252 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:22:20,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:22:20,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f4e151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20, skipping insertion in model container [2024-11-07 20:22:20,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,269 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:22:20,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:22:20,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:22:20,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:22:20,432 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:22:20,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20 WrapperNode [2024-11-07 20:22:20,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:22:20,433 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:22:20,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:22:20,434 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:22:20,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,464 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2024-11-07 20:22:20,464 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:22:20,465 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:22:20,465 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:22:20,465 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:22:20,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,476 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,495 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-07 20:22:20,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,516 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:22:20,519 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:22:20,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:22:20,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:22:20,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (1/1) ... [2024-11-07 20:22:20,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:22:20,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:20,559 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 20:22:20,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 20:22:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:22:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 20:22:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 20:22:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:22:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:22:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:22:20,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:22:20,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:22:20,649 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:22:20,651 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:22:21,498 INFO L? ?]: Removed 196 outVars from TransFormulas that were not future-live. [2024-11-07 20:22:21,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:22:21,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:22:21,514 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-07 20:22:21,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:21 BoogieIcfgContainer [2024-11-07 20:22:21,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:22:21,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:22:21,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:22:21,520 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:22:21,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:22:20" (1/3) ... [2024-11-07 20:22:21,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fb74d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:21, skipping insertion in model container [2024-11-07 20:22:21,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:22:20" (2/3) ... [2024-11-07 20:22:21,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19fb74d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:22:21, skipping insertion in model container [2024-11-07 20:22:21,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:22:21" (3/3) ... [2024-11-07 20:22:21,524 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd2-ll_valuebound20.c [2024-11-07 20:22:21,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:22:21,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 64 error locations. [2024-11-07 20:22:21,587 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:22:21,595 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;@2a282e31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:22:21,596 INFO L334 AbstractCegarLoop]: Starting to check reachability of 64 error locations. [2024-11-07 20:22:21,600 INFO L276 IsEmpty]: Start isEmpty. Operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-07 20:22:21,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:22:21,605 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:21,606 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:21,606 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:21,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:21,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1839957436, now seen corresponding path program 1 times [2024-11-07 20:22:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:21,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378457339] [2024-11-07 20:22:21,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,746 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:22:21,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:21,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378457339] [2024-11-07 20:22:21,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378457339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:21,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:21,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724947809] [2024-11-07 20:22:21,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:21,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:22:21,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:22:21,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:22:21,768 INFO L87 Difference]: Start difference. First operand has 163 states, 84 states have (on average 1.8571428571428572) internal successors, (156), 149 states have internal predecessors, (156), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:22:21,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:21,797 INFO L93 Difference]: Finished difference Result 321 states and 367 transitions. [2024-11-07 20:22:21,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:22:21,799 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2024-11-07 20:22:21,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:21,805 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:21,805 INFO L226 Difference]: Without dead ends: 155 [2024-11-07 20:22:21,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:22:21,811 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:21,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:22:21,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-07 20:22:21,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-07 20:22:21,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 79 states have (on average 1.8101265822784811) internal successors, (143), 142 states have internal predecessors, (143), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 165 transitions. [2024-11-07 20:22:21,869 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 165 transitions. Word has length 25 [2024-11-07 20:22:21,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:21,870 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 165 transitions. [2024-11-07 20:22:21,870 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-07 20:22:21,870 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2024-11-07 20:22:21,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-07 20:22:21,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:21,872 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:21,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:22:21,873 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:21,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:21,873 INFO L85 PathProgramCache]: Analyzing trace with hash 591615616, now seen corresponding path program 1 times [2024-11-07 20:22:21,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:21,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702414008] [2024-11-07 20:22:21,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:21,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:21,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527225195] [2024-11-07 20:22:21,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:21,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:21,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:21,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:21,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 20:22:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:21,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:22:22,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:22,156 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:22:22,156 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:22,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:22,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702414008] [2024-11-07 20:22:22,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:22,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527225195] [2024-11-07 20:22:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527225195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:22,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:22,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-07 20:22:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405886120] [2024-11-07 20:22:22,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:22,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:22,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:22,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:22:22,162 INFO L87 Difference]: Start difference. First operand 155 states and 165 transitions. Second operand has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:22,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:22,534 INFO L93 Difference]: Finished difference Result 155 states and 165 transitions. [2024-11-07 20:22:22,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:22,535 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 25 [2024-11-07 20:22:22,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:22,536 INFO L225 Difference]: With dead ends: 155 [2024-11-07 20:22:22,537 INFO L226 Difference]: Without dead ends: 153 [2024-11-07 20:22:22,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:22:22,538 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 196 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 342 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:22,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 227 Invalid, 342 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:22,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-11-07 20:22:22,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2024-11-07 20:22:22,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 79 states have (on average 1.7848101265822784) internal successors, (141), 140 states have internal predecessors, (141), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:22,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 163 transitions. [2024-11-07 20:22:22,553 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 163 transitions. Word has length 25 [2024-11-07 20:22:22,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:22,558 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 163 transitions. [2024-11-07 20:22:22,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2024-11-07 20:22:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-07 20:22:22,558 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:22,558 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:22,575 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:22,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:22,759 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:22,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:22,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1160214954, now seen corresponding path program 1 times [2024-11-07 20:22:22,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:22,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915350968] [2024-11-07 20:22:22,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:22,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:22,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1250080522] [2024-11-07 20:22:22,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:22,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:22,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:22,788 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:22,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-07 20:22:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:22,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:22:22,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:22,996 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-07 20:22:22,996 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:23,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915350968] [2024-11-07 20:22:23,320 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:23,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250080522] [2024-11-07 20:22:23,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250080522] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:23,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:22:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368074798] [2024-11-07 20:22:23,321 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:23,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:23,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:23,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:23,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:22:23,322 INFO L87 Difference]: Start difference. First operand 153 states and 163 transitions. Second operand has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:23,755 INFO L93 Difference]: Finished difference Result 153 states and 163 transitions. [2024-11-07 20:22:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:23,756 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2024-11-07 20:22:23,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:23,757 INFO L225 Difference]: With dead ends: 153 [2024-11-07 20:22:23,759 INFO L226 Difference]: Without dead ends: 152 [2024-11-07 20:22:23,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:22:23,760 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 103 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:23,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 244 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:23,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-07 20:22:23,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-07 20:22:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 139 states have internal predecessors, (140), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-07 20:22:23,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 162 transitions. [2024-11-07 20:22:23,777 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 162 transitions. Word has length 26 [2024-11-07 20:22:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:23,777 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 162 transitions. [2024-11-07 20:22:23,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-07 20:22:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2024-11-07 20:22:23,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-07 20:22:23,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:23,778 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:23,794 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-07 20:22:23,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:23,978 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:23,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:23,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1342616358, now seen corresponding path program 1 times [2024-11-07 20:22:23,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:23,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028536752] [2024-11-07 20:22:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:24,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:24,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028536752] [2024-11-07 20:22:24,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028536752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:24,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883943449] [2024-11-07 20:22:24,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:24,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:24,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:24,301 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:24,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-07 20:22:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:24,367 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:24,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:24,392 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:24,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883943449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:24,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:24,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 8 [2024-11-07 20:22:24,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182047765] [2024-11-07 20:22:24,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:24,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:24,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:24,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:24,394 INFO L87 Difference]: Start difference. First operand 152 states and 162 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:24,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:24,919 INFO L93 Difference]: Finished difference Result 258 states and 290 transitions. [2024-11-07 20:22:24,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:24,919 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2024-11-07 20:22:24,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:24,921 INFO L225 Difference]: With dead ends: 258 [2024-11-07 20:22:24,921 INFO L226 Difference]: Without dead ends: 248 [2024-11-07 20:22:24,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:24,922 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 89 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:24,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 220 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:24,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-07 20:22:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 205. [2024-11-07 20:22:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.7578125) internal successors, (225), 187 states have internal predecessors, (225), 15 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2024-11-07 20:22:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 255 transitions. [2024-11-07 20:22:24,940 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 255 transitions. Word has length 41 [2024-11-07 20:22:24,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:24,941 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 255 transitions. [2024-11-07 20:22:24,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 255 transitions. [2024-11-07 20:22:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-07 20:22:24,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:24,942 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:24,960 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 20:22:25,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,148 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:25,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:25,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1328567401, now seen corresponding path program 1 times [2024-11-07 20:22:25,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:25,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561599264] [2024-11-07 20:22:25,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:25,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:25,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475043830] [2024-11-07 20:22:25,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:25,168 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:25,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-07 20:22:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,217 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:25,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:25,233 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:25,234 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:25,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561599264] [2024-11-07 20:22:25,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:25,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475043830] [2024-11-07 20:22:25,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475043830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:25,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:25,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:25,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049155210] [2024-11-07 20:22:25,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:25,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:25,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:25,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:25,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:25,236 INFO L87 Difference]: Start difference. First operand 205 states and 255 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:22:25,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:25,397 INFO L93 Difference]: Finished difference Result 351 states and 451 transitions. [2024-11-07 20:22:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:25,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 42 [2024-11-07 20:22:25,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:25,401 INFO L225 Difference]: With dead ends: 351 [2024-11-07 20:22:25,401 INFO L226 Difference]: Without dead ends: 343 [2024-11-07 20:22:25,401 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:25,402 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 83 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:25,402 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 274 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:25,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2024-11-07 20:22:25,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 304. [2024-11-07 20:22:25,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 219 states have (on average 1.7625570776255708) internal successors, (386), 278 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:25,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 432 transitions. [2024-11-07 20:22:25,423 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 432 transitions. Word has length 42 [2024-11-07 20:22:25,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:25,425 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 432 transitions. [2024-11-07 20:22:25,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-11-07 20:22:25,426 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 432 transitions. [2024-11-07 20:22:25,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-07 20:22:25,426 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:25,426 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:25,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-07 20:22:25,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,627 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:25,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:25,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1764137224, now seen corresponding path program 1 times [2024-11-07 20:22:25,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:25,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927376987] [2024-11-07 20:22:25,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,799 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:25,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:25,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927376987] [2024-11-07 20:22:25,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927376987] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:25,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743189073] [2024-11-07 20:22:25,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:25,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:25,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:25,803 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:25,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-07 20:22:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:25,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:25,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:25,925 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:25,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743189073] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:25,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:25,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:25,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066628955] [2024-11-07 20:22:25,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:25,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:25,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:25,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:25,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:25,926 INFO L87 Difference]: Start difference. First operand 304 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:26,445 INFO L93 Difference]: Finished difference Result 323 states and 454 transitions. [2024-11-07 20:22:26,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:26,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-11-07 20:22:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:26,449 INFO L225 Difference]: With dead ends: 323 [2024-11-07 20:22:26,449 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 20:22:26,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:26,450 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 59 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:26,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 203 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:26,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 20:22:26,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 305. [2024-11-07 20:22:26,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.759090909090909) internal successors, (387), 279 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:26,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 433 transitions. [2024-11-07 20:22:26,478 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 433 transitions. Word has length 43 [2024-11-07 20:22:26,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:26,478 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 433 transitions. [2024-11-07 20:22:26,479 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 433 transitions. [2024-11-07 20:22:26,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:22:26,480 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:26,480 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:26,496 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 20:22:26,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:26,685 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:26,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:26,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1147983047, now seen corresponding path program 1 times [2024-11-07 20:22:26,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:26,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841484549] [2024-11-07 20:22:26,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:26,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:26,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,931 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:26,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841484549] [2024-11-07 20:22:26,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841484549] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:26,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537786941] [2024-11-07 20:22:26,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:26,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:26,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:26,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:26,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-07 20:22:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:26,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:22:26,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:27,068 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:27,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537786941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:27,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:27,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-07 20:22:27,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302094840] [2024-11-07 20:22:27,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:27,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:27,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:27,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:27,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:22:27,070 INFO L87 Difference]: Start difference. First operand 305 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:28,183 INFO L93 Difference]: Finished difference Result 386 states and 453 transitions. [2024-11-07 20:22:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:28,184 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-07 20:22:28,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:28,186 INFO L225 Difference]: With dead ends: 386 [2024-11-07 20:22:28,186 INFO L226 Difference]: Without dead ends: 385 [2024-11-07 20:22:28,187 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:22:28,188 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 424 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 429 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 293 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:28,188 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [429 Valid, 315 Invalid, 293 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:22:28,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-07 20:22:28,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 305. [2024-11-07 20:22:28,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 220 states have (on average 1.7545454545454546) internal successors, (386), 279 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:28,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 432 transitions. [2024-11-07 20:22:28,209 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 432 transitions. Word has length 44 [2024-11-07 20:22:28,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:28,211 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 432 transitions. [2024-11-07 20:22:28,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.25) internal successors, (17), 5 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 432 transitions. [2024-11-07 20:22:28,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-07 20:22:28,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:28,211 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:28,227 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 20:22:28,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-07 20:22:28,412 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:28,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:28,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1146320713, now seen corresponding path program 1 times [2024-11-07 20:22:28,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:28,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920815948] [2024-11-07 20:22:28,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:28,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,519 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:28,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:28,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920815948] [2024-11-07 20:22:28,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920815948] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:28,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221384341] [2024-11-07 20:22:28,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:28,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:28,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:28,523 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:28,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-07 20:22:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:28,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:28,573 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:28,638 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:28,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221384341] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:28,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:28,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:28,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443941489] [2024-11-07 20:22:28,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:28,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:28,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:28,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:28,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:28,640 INFO L87 Difference]: Start difference. First operand 305 states and 432 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:29,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:29,139 INFO L93 Difference]: Finished difference Result 323 states and 452 transitions. [2024-11-07 20:22:29,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:29,140 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 44 [2024-11-07 20:22:29,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:29,142 INFO L225 Difference]: With dead ends: 323 [2024-11-07 20:22:29,142 INFO L226 Difference]: Without dead ends: 322 [2024-11-07 20:22:29,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:29,143 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 58 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:29,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 204 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:29,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-11-07 20:22:29,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 306. [2024-11-07 20:22:29,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.751131221719457) internal successors, (387), 280 states have internal predecessors, (387), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 433 transitions. [2024-11-07 20:22:29,156 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 433 transitions. Word has length 44 [2024-11-07 20:22:29,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:29,157 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 433 transitions. [2024-11-07 20:22:29,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 433 transitions. [2024-11-07 20:22:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:22:29,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:29,158 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:29,173 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 20:22:29,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:29,359 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:29,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:29,359 INFO L85 PathProgramCache]: Analyzing trace with hash -1227736010, now seen corresponding path program 1 times [2024-11-07 20:22:29,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:29,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572135404] [2024-11-07 20:22:29,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:29,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:29,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [902981002] [2024-11-07 20:22:29,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:29,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:29,372 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:29,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-07 20:22:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:29,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:22:29,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:29,477 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:29,477 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:29,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572135404] [2024-11-07 20:22:29,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902981002] [2024-11-07 20:22:29,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902981002] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:29,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:29,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:22:29,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213111267] [2024-11-07 20:22:29,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:29,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:22:29,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:29,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:22:29,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:22:29,480 INFO L87 Difference]: Start difference. First operand 306 states and 433 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:30,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:30,375 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2024-11-07 20:22:30,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:30,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-07 20:22:30,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:30,378 INFO L225 Difference]: With dead ends: 385 [2024-11-07 20:22:30,378 INFO L226 Difference]: Without dead ends: 384 [2024-11-07 20:22:30,378 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:30,378 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 463 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:30,379 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 287 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 240 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:22:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2024-11-07 20:22:30,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 306. [2024-11-07 20:22:30,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 221 states have (on average 1.746606334841629) internal successors, (386), 280 states have internal predecessors, (386), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 432 transitions. [2024-11-07 20:22:30,396 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 432 transitions. Word has length 45 [2024-11-07 20:22:30,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:30,396 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 432 transitions. [2024-11-07 20:22:30,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 432 transitions. [2024-11-07 20:22:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-07 20:22:30,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:30,398 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:30,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-07 20:22:30,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:30,603 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:30,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:30,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1176203542, now seen corresponding path program 1 times [2024-11-07 20:22:30,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:30,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757956700] [2024-11-07 20:22:30,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:30,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:30,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:30,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,705 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:30,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:30,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757956700] [2024-11-07 20:22:30,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757956700] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:30,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775000420] [2024-11-07 20:22:30,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:30,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:30,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:30,708 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:30,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-07 20:22:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:30,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:30,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:30,789 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:30,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:30,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775000420] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:30,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:30,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:30,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485471151] [2024-11-07 20:22:30,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:30,790 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:30,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:30,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:30,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:30,791 INFO L87 Difference]: Start difference. First operand 306 states and 432 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:31,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:31,853 INFO L93 Difference]: Finished difference Result 355 states and 460 transitions. [2024-11-07 20:22:31,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:31,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 45 [2024-11-07 20:22:31,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:31,856 INFO L225 Difference]: With dead ends: 355 [2024-11-07 20:22:31,856 INFO L226 Difference]: Without dead ends: 351 [2024-11-07 20:22:31,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:31,856 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 96 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:31,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 273 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:22:31,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-07 20:22:31,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 307. [2024-11-07 20:22:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 222 states have (on average 1.7207207207207207) internal successors, (382), 281 states have internal predecessors, (382), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:31,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 428 transitions. [2024-11-07 20:22:31,872 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 428 transitions. Word has length 45 [2024-11-07 20:22:31,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:31,873 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 428 transitions. [2024-11-07 20:22:31,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:31,873 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 428 transitions. [2024-11-07 20:22:31,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-07 20:22:31,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:31,875 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:31,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:22:32,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:32,076 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:32,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:32,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2102571239, now seen corresponding path program 1 times [2024-11-07 20:22:32,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:32,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307124605] [2024-11-07 20:22:32,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:32,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:32,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,180 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:32,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:32,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307124605] [2024-11-07 20:22:32,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307124605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:32,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690895833] [2024-11-07 20:22:32,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:32,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:32,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:32,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:32,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-07 20:22:32,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:32,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:32,230 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:32,351 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:32,351 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:32,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690895833] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:32,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:32,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:32,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318368078] [2024-11-07 20:22:32,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:32,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:32,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:32,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:32,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:32,353 INFO L87 Difference]: Start difference. First operand 307 states and 428 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:33,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:33,901 INFO L93 Difference]: Finished difference Result 354 states and 454 transitions. [2024-11-07 20:22:33,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:33,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-07 20:22:33,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:33,903 INFO L225 Difference]: With dead ends: 354 [2024-11-07 20:22:33,903 INFO L226 Difference]: Without dead ends: 350 [2024-11-07 20:22:33,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:33,905 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 95 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 233 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:33,905 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 279 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 233 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-07 20:22:33,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-07 20:22:33,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 308. [2024-11-07 20:22:33,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 223 states have (on average 1.695067264573991) internal successors, (378), 282 states have internal predecessors, (378), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:33,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 424 transitions. [2024-11-07 20:22:33,920 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 424 transitions. Word has length 46 [2024-11-07 20:22:33,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:33,920 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 424 transitions. [2024-11-07 20:22:33,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 20:22:33,920 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2024-11-07 20:22:33,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-07 20:22:33,921 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:33,921 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:33,936 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-07 20:22:34,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:34,122 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:34,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:34,122 INFO L85 PathProgramCache]: Analyzing trace with hash -1607282437, now seen corresponding path program 1 times [2024-11-07 20:22:34,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:34,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920937269] [2024-11-07 20:22:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:34,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:34,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1385214849] [2024-11-07 20:22:34,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:34,142 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:34,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-07 20:22:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:22:34,191 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:34,215 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:34,215 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:34,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920937269] [2024-11-07 20:22:34,215 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:34,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385214849] [2024-11-07 20:22:34,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385214849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:34,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:34,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:34,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121848847] [2024-11-07 20:22:34,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:34,216 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:34,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:34,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:34,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:34,216 INFO L87 Difference]: Start difference. First operand 308 states and 424 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:34,357 INFO L93 Difference]: Finished difference Result 356 states and 448 transitions. [2024-11-07 20:22:34,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:34,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 51 [2024-11-07 20:22:34,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:34,359 INFO L225 Difference]: With dead ends: 356 [2024-11-07 20:22:34,359 INFO L226 Difference]: Without dead ends: 352 [2024-11-07 20:22:34,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:34,360 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 84 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:34,360 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 288 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:34,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-11-07 20:22:34,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 313. [2024-11-07 20:22:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6740088105726871) internal successors, (380), 286 states have internal predecessors, (380), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:34,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 428 transitions. [2024-11-07 20:22:34,373 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 428 transitions. Word has length 51 [2024-11-07 20:22:34,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:34,374 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 428 transitions. [2024-11-07 20:22:34,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:34,374 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 428 transitions. [2024-11-07 20:22:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-07 20:22:34,375 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:34,375 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:34,391 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-07 20:22:34,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-07 20:22:34,576 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:34,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:34,576 INFO L85 PathProgramCache]: Analyzing trace with hash 29733890, now seen corresponding path program 1 times [2024-11-07 20:22:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613167642] [2024-11-07 20:22:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:22:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:34,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613167642] [2024-11-07 20:22:34,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613167642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:34,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78503905] [2024-11-07 20:22:34,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:34,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:34,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:34,702 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:34,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-07 20:22:34,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:34,752 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:34,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:34,836 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:34,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78503905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:34,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:34,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:34,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392671265] [2024-11-07 20:22:34,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:34,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:34,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:34,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:34,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:34,838 INFO L87 Difference]: Start difference. First operand 313 states and 428 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:35,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:35,283 INFO L93 Difference]: Finished difference Result 334 states and 432 transitions. [2024-11-07 20:22:35,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:35,284 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 52 [2024-11-07 20:22:35,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:35,285 INFO L225 Difference]: With dead ends: 334 [2024-11-07 20:22:35,286 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 20:22:35,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:35,287 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 166 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:35,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 218 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:35,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 20:22:35,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-07 20:22:35,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6607929515418502) internal successors, (377), 286 states have internal predecessors, (377), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:35,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 425 transitions. [2024-11-07 20:22:35,301 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 425 transitions. Word has length 52 [2024-11-07 20:22:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:35,301 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 425 transitions. [2024-11-07 20:22:35,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:35,301 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 425 transitions. [2024-11-07 20:22:35,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:22:35,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:35,302 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:35,317 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-07 20:22:35,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:35,503 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash 921750790, now seen corresponding path program 1 times [2024-11-07 20:22:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344871027] [2024-11-07 20:22:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 20:22:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,600 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:22:35,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:35,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344871027] [2024-11-07 20:22:35,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344871027] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:35,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721525903] [2024-11-07 20:22:35,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:35,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:35,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:35,603 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:35,608 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-07 20:22:35,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:35,649 INFO L255 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:35,650 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:35,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:35,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721525903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:35,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:35,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-07 20:22:35,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126927912] [2024-11-07 20:22:35,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:35,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:35,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:35,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:35,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:35,725 INFO L87 Difference]: Start difference. First operand 313 states and 425 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:35,995 INFO L93 Difference]: Finished difference Result 334 states and 429 transitions. [2024-11-07 20:22:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:35,996 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-07 20:22:35,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:35,998 INFO L225 Difference]: With dead ends: 334 [2024-11-07 20:22:35,998 INFO L226 Difference]: Without dead ends: 332 [2024-11-07 20:22:35,998 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:22:35,999 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 229 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:35,999 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 200 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:35,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2024-11-07 20:22:36,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 313. [2024-11-07 20:22:36,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 227 states have (on average 1.6475770925110131) internal successors, (374), 286 states have internal predecessors, (374), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:36,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 422 transitions. [2024-11-07 20:22:36,013 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 422 transitions. Word has length 53 [2024-11-07 20:22:36,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:36,013 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 422 transitions. [2024-11-07 20:22:36,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:36,014 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 422 transitions. [2024-11-07 20:22:36,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:22:36,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:36,015 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:36,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-07 20:22:36,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:36,215 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:36,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:36,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1203545985, now seen corresponding path program 1 times [2024-11-07 20:22:36,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:36,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518946806] [2024-11-07 20:22:36,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:36,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1395277868] [2024-11-07 20:22:36,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:36,231 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:36,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-07 20:22:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:36,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:36,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:36,318 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:36,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:36,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:36,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518946806] [2024-11-07 20:22:36,319 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:36,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395277868] [2024-11-07 20:22:36,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395277868] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:36,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:36,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:36,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712422697] [2024-11-07 20:22:36,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:36,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:36,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:36,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:36,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:36,320 INFO L87 Difference]: Start difference. First operand 313 states and 422 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:36,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:36,761 INFO L93 Difference]: Finished difference Result 350 states and 436 transitions. [2024-11-07 20:22:36,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:36,762 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 55 [2024-11-07 20:22:36,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:36,763 INFO L225 Difference]: With dead ends: 350 [2024-11-07 20:22:36,763 INFO L226 Difference]: Without dead ends: 348 [2024-11-07 20:22:36,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:36,765 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 137 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:36,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 290 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:36,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-11-07 20:22:36,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 314. [2024-11-07 20:22:36,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 228 states have (on average 1.6359649122807018) internal successors, (373), 287 states have internal predecessors, (373), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-07 20:22:36,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 421 transitions. [2024-11-07 20:22:36,778 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 421 transitions. Word has length 55 [2024-11-07 20:22:36,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:36,779 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 421 transitions. [2024-11-07 20:22:36,779 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 421 transitions. [2024-11-07 20:22:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:22:36,780 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:36,780 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:36,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-07 20:22:36,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-07 20:22:36,980 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:36,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:36,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1344780221, now seen corresponding path program 1 times [2024-11-07 20:22:36,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:36,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361827494] [2024-11-07 20:22:36,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:36,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1611301760] [2024-11-07 20:22:36,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:36,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:36,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:36,999 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:37,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-07 20:22:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:37,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:37,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:37,126 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:22:37,126 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:37,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:37,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361827494] [2024-11-07 20:22:37,127 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:37,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611301760] [2024-11-07 20:22:37,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611301760] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:37,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:37,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:37,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482198487] [2024-11-07 20:22:37,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:37,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:37,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:37,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:37,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:37,128 INFO L87 Difference]: Start difference. First operand 314 states and 421 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:37,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:37,591 INFO L93 Difference]: Finished difference Result 350 states and 433 transitions. [2024-11-07 20:22:37,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:37,591 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 56 [2024-11-07 20:22:37,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:37,593 INFO L225 Difference]: With dead ends: 350 [2024-11-07 20:22:37,593 INFO L226 Difference]: Without dead ends: 335 [2024-11-07 20:22:37,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:37,595 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 135 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:37,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 294 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:37,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2024-11-07 20:22:37,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 302. [2024-11-07 20:22:37,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6543778801843319) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-07 20:22:37,611 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 56 [2024-11-07 20:22:37,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:37,611 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-07 20:22:37,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 20:22:37,612 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-07 20:22:37,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-07 20:22:37,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:37,613 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:37,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:37,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-07 20:22:37,818 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:37,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:37,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1270414803, now seen corresponding path program 1 times [2024-11-07 20:22:37,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:37,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30945319] [2024-11-07 20:22:37,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:37,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591174328] [2024-11-07 20:22:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:37,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:37,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:37,836 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:37,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-07 20:22:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:37,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:37,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:37,985 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:22:37,985 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:37,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30945319] [2024-11-07 20:22:37,985 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:37,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591174328] [2024-11-07 20:22:37,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591174328] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:37,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:37,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:37,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821691008] [2024-11-07 20:22:37,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:37,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:37,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:37,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:37,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:37,986 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:38,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:38,390 INFO L93 Difference]: Finished difference Result 326 states and 426 transitions. [2024-11-07 20:22:38,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:38,391 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 64 [2024-11-07 20:22:38,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:38,392 INFO L225 Difference]: With dead ends: 326 [2024-11-07 20:22:38,392 INFO L226 Difference]: Without dead ends: 325 [2024-11-07 20:22:38,392 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:38,392 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 159 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:38,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:22:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-07 20:22:38,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-07 20:22:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6497695852534562) internal successors, (358), 276 states have internal predecessors, (358), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 404 transitions. [2024-11-07 20:22:38,405 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 404 transitions. Word has length 64 [2024-11-07 20:22:38,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:38,405 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 404 transitions. [2024-11-07 20:22:38,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 404 transitions. [2024-11-07 20:22:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-07 20:22:38,406 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:38,406 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:38,422 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-07 20:22:38,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:22:38,607 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:38,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:38,607 INFO L85 PathProgramCache]: Analyzing trace with hash -728153128, now seen corresponding path program 1 times [2024-11-07 20:22:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:38,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142847591] [2024-11-07 20:22:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:38,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:38,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [904184535] [2024-11-07 20:22:38,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:38,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:38,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:38,624 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:38,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-07 20:22:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:38,674 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:38,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:38,761 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-07 20:22:38,762 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:38,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:38,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142847591] [2024-11-07 20:22:38,762 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:38,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [904184535] [2024-11-07 20:22:38,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [904184535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:38,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:38,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:38,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744393024] [2024-11-07 20:22:38,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:38,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:38,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:38,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:38,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:38,763 INFO L87 Difference]: Start difference. First operand 302 states and 404 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:39,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:39,044 INFO L93 Difference]: Finished difference Result 326 states and 425 transitions. [2024-11-07 20:22:39,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:39,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 65 [2024-11-07 20:22:39,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:39,046 INFO L225 Difference]: With dead ends: 326 [2024-11-07 20:22:39,046 INFO L226 Difference]: Without dead ends: 325 [2024-11-07 20:22:39,046 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:39,046 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 158 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:39,046 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 177 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:39,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-07 20:22:39,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 302. [2024-11-07 20:22:39,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6451612903225807) internal successors, (357), 276 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:39,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 403 transitions. [2024-11-07 20:22:39,059 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 403 transitions. Word has length 65 [2024-11-07 20:22:39,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:39,060 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 403 transitions. [2024-11-07 20:22:39,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-07 20:22:39,060 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 403 transitions. [2024-11-07 20:22:39,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-07 20:22:39,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:39,061 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:39,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:39,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:22:39,262 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:39,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:39,262 INFO L85 PathProgramCache]: Analyzing trace with hash 666512659, now seen corresponding path program 1 times [2024-11-07 20:22:39,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:39,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297720142] [2024-11-07 20:22:39,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:39,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:39,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1264878977] [2024-11-07 20:22:39,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:39,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:39,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:39,280 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:39,282 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-07 20:22:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:39,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:39,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:39,480 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:39,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:39,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297720142] [2024-11-07 20:22:39,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:39,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264878977] [2024-11-07 20:22:39,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264878977] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:39,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:39,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:39,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750689763] [2024-11-07 20:22:39,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:39,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:39,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:39,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:39,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:39,481 INFO L87 Difference]: Start difference. First operand 302 states and 403 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:39,676 INFO L93 Difference]: Finished difference Result 328 states and 424 transitions. [2024-11-07 20:22:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:39,677 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 75 [2024-11-07 20:22:39,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:39,678 INFO L225 Difference]: With dead ends: 328 [2024-11-07 20:22:39,678 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 20:22:39,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:39,679 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 88 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:39,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 228 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:22:39,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 20:22:39,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-07 20:22:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6359447004608294) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-07 20:22:39,694 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 75 [2024-11-07 20:22:39,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:39,695 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-07 20:22:39,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-07 20:22:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 20:22:39,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:39,696 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:39,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-07 20:22:39,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:39,897 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:39,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash -812943937, now seen corresponding path program 1 times [2024-11-07 20:22:39,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:39,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280013915] [2024-11-07 20:22:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:39,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:39,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507810535] [2024-11-07 20:22:39,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:39,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:39,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:39,915 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:39,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-07 20:22:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:39,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:22:39,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:41,102 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:41,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:41,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280013915] [2024-11-07 20:22:41,102 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:41,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507810535] [2024-11-07 20:22:41,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507810535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:41,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:41,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:41,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [503025237] [2024-11-07 20:22:41,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:41,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:41,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:41,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-07 20:22:41,103 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:45,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-11-07 20:22:47,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:47,317 INFO L93 Difference]: Finished difference Result 328 states and 422 transitions. [2024-11-07 20:22:47,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:47,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 76 [2024-11-07 20:22:47,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:47,320 INFO L225 Difference]: With dead ends: 328 [2024-11-07 20:22:47,320 INFO L226 Difference]: Without dead ends: 327 [2024-11-07 20:22:47,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=6, Invalid=5, Unknown=1, NotChecked=0, Total=12 [2024-11-07 20:22:47,320 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 43 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 146 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 146 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:47,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 327 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 146 Invalid, 3 Unknown, 0 Unchecked, 6.2s Time] [2024-11-07 20:22:47,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-07 20:22:47,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 302. [2024-11-07 20:22:47,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.6267281105990783) internal successors, (353), 276 states have internal predecessors, (353), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:47,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 399 transitions. [2024-11-07 20:22:47,333 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 399 transitions. Word has length 76 [2024-11-07 20:22:47,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:47,334 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 399 transitions. [2024-11-07 20:22:47,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:47,334 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 399 transitions. [2024-11-07 20:22:47,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 20:22:47,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:47,335 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:47,351 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-07 20:22:47,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:47,536 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:47,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:47,536 INFO L85 PathProgramCache]: Analyzing trace with hash 568541845, now seen corresponding path program 1 times [2024-11-07 20:22:47,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:47,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422453084] [2024-11-07 20:22:47,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:47,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:47,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1088716522] [2024-11-07 20:22:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:47,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:47,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:47,561 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:47,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-07 20:22:47,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:47,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:47,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:47,671 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:47,671 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:47,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:47,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422453084] [2024-11-07 20:22:47,672 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:47,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088716522] [2024-11-07 20:22:47,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088716522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:47,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:47,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:47,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135891549] [2024-11-07 20:22:47,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:47,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:47,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:47,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:47,673 INFO L87 Difference]: Start difference. First operand 302 states and 399 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:48,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:48,413 INFO L93 Difference]: Finished difference Result 321 states and 410 transitions. [2024-11-07 20:22:48,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:48,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 77 [2024-11-07 20:22:48,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:48,414 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:48,414 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:48,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:48,415 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:48,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 327 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:22:48,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:48,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:48,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.608294930875576) internal successors, (349), 276 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:48,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 395 transitions. [2024-11-07 20:22:48,427 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 395 transitions. Word has length 77 [2024-11-07 20:22:48,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:48,427 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 395 transitions. [2024-11-07 20:22:48,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:48,428 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 395 transitions. [2024-11-07 20:22:48,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:22:48,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:48,428 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:48,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-07 20:22:48,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:48,629 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:48,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:48,629 INFO L85 PathProgramCache]: Analyzing trace with hash 444928129, now seen corresponding path program 1 times [2024-11-07 20:22:48,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:48,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874870559] [2024-11-07 20:22:48,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:48,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:48,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595449830] [2024-11-07 20:22:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:48,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:48,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:48,643 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:48,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-07 20:22:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:48,696 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:22:48,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:48,844 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-07 20:22:48,845 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:22:48,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874870559] [2024-11-07 20:22:48,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:48,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595449830] [2024-11-07 20:22:48,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595449830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:48,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:48,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:22:48,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326431322] [2024-11-07 20:22:48,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:48,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:22:48,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:48,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:22:48,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:22:48,846 INFO L87 Difference]: Start difference. First operand 302 states and 395 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:49,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:49,437 INFO L93 Difference]: Finished difference Result 321 states and 406 transitions. [2024-11-07 20:22:49,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:22:49,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 78 [2024-11-07 20:22:49,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:49,439 INFO L225 Difference]: With dead ends: 321 [2024-11-07 20:22:49,439 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:49,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 75 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 20:22:49,441 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 90 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:49,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 266 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:22:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:49,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:49,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5898617511520738) internal successors, (345), 276 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:49,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 391 transitions. [2024-11-07 20:22:49,457 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 391 transitions. Word has length 78 [2024-11-07 20:22:49,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:49,458 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 391 transitions. [2024-11-07 20:22:49,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 391 transitions. [2024-11-07 20:22:49,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-07 20:22:49,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:49,459 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:49,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:49,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-07 20:22:49,659 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:49,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:49,660 INFO L85 PathProgramCache]: Analyzing trace with hash -518360293, now seen corresponding path program 1 times [2024-11-07 20:22:49,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:49,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320720941] [2024-11-07 20:22:49,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:49,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:49,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [563121981] [2024-11-07 20:22:49,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:49,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:49,681 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:49,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-07 20:22:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:49,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:22:49,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:49,886 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:49,886 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:50,063 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:50,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320720941] [2024-11-07 20:22:50,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:50,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [563121981] [2024-11-07 20:22:50,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [563121981] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:22:50,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:22:50,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-07 20:22:50,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954228008] [2024-11-07 20:22:50,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:50,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:22:50,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:50,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:22:50,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:22:50,065 INFO L87 Difference]: Start difference. First operand 302 states and 391 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 20:22:50,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:50,832 INFO L93 Difference]: Finished difference Result 320 states and 392 transitions. [2024-11-07 20:22:50,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:22:50,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) Word has length 83 [2024-11-07 20:22:50,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:50,833 INFO L225 Difference]: With dead ends: 320 [2024-11-07 20:22:50,833 INFO L226 Difference]: Without dead ends: 319 [2024-11-07 20:22:50,833 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 156 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:50,834 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 174 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 455 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 455 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:50,834 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 414 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 455 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:22:50,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-07 20:22:50,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 302. [2024-11-07 20:22:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.576036866359447) internal successors, (342), 276 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:50,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 388 transitions. [2024-11-07 20:22:50,847 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 388 transitions. Word has length 83 [2024-11-07 20:22:50,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:50,847 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 388 transitions. [2024-11-07 20:22:50,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 7 states have internal predecessors, (84), 3 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (15), 5 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-07 20:22:50,848 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 388 transitions. [2024-11-07 20:22:50,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-07 20:22:50,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:50,848 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:50,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-07 20:22:51,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-07 20:22:51,049 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:51,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:51,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1110700231, now seen corresponding path program 1 times [2024-11-07 20:22:51,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:51,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231612411] [2024-11-07 20:22:51,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:51,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:51,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1276757118] [2024-11-07 20:22:51,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:51,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:51,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:51,064 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:51,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-07 20:22:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:51,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:22:51,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:51,347 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:22:51,348 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:51,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:51,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231612411] [2024-11-07 20:22:51,984 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:51,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276757118] [2024-11-07 20:22:51,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276757118] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:51,984 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:51,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-07 20:22:51,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455023693] [2024-11-07 20:22:51,984 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:51,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:22:51,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:51,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:22:51,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:51,985 INFO L87 Difference]: Start difference. First operand 302 states and 388 transitions. Second operand has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:52,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:52,276 INFO L93 Difference]: Finished difference Result 306 states and 389 transitions. [2024-11-07 20:22:52,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:22:52,276 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 84 [2024-11-07 20:22:52,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:52,278 INFO L225 Difference]: With dead ends: 306 [2024-11-07 20:22:52,278 INFO L226 Difference]: Without dead ends: 305 [2024-11-07 20:22:52,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:52,278 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 248 mSDsluCounter, 226 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:52,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 309 Invalid, 337 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:22:52,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-07 20:22:52,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 302. [2024-11-07 20:22:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.566820276497696) internal successors, (340), 276 states have internal predecessors, (340), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 386 transitions. [2024-11-07 20:22:52,291 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 386 transitions. Word has length 84 [2024-11-07 20:22:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:52,292 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 386 transitions. [2024-11-07 20:22:52,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 386 transitions. [2024-11-07 20:22:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-07 20:22:52,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:52,292 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:52,308 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-07 20:22:52,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-07 20:22:52,493 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:52,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:52,494 INFO L85 PathProgramCache]: Analyzing trace with hash 71968925, now seen corresponding path program 1 times [2024-11-07 20:22:52,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383065855] [2024-11-07 20:22:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:52,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [322269075] [2024-11-07 20:22:52,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:52,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:52,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:52,514 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:52,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-07 20:22:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:52,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:22:52,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:52,896 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-07 20:22:52,896 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:57,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:57,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383065855] [2024-11-07 20:22:57,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:57,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322269075] [2024-11-07 20:22:57,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322269075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:57,203 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:57,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:22:57,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654073425] [2024-11-07 20:22:57,203 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:57,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:22:57,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:57,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:22:57,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-07 20:22:57,204 INFO L87 Difference]: Start difference. First operand 302 states and 386 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:57,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:57,880 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2024-11-07 20:22:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:22:57,880 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) Word has length 85 [2024-11-07 20:22:57,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:57,881 INFO L225 Difference]: With dead ends: 320 [2024-11-07 20:22:57,881 INFO L226 Difference]: Without dead ends: 317 [2024-11-07 20:22:57,882 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-07 20:22:57,882 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 183 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 556 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 556 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:57,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 296 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 556 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:22:57,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2024-11-07 20:22:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 302. [2024-11-07 20:22:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5391705069124424) internal successors, (334), 276 states have internal predecessors, (334), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:57,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 380 transitions. [2024-11-07 20:22:57,895 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 380 transitions. Word has length 85 [2024-11-07 20:22:57,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:57,895 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 380 transitions. [2024-11-07 20:22:57,896 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-07 20:22:57,896 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 380 transitions. [2024-11-07 20:22:57,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-07 20:22:57,896 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:57,896 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:57,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-07 20:22:58,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-07 20:22:58,105 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:58,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:58,105 INFO L85 PathProgramCache]: Analyzing trace with hash -2063930487, now seen corresponding path program 1 times [2024-11-07 20:22:58,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:58,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047193205] [2024-11-07 20:22:58,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:58,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:22:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [876993353] [2024-11-07 20:22:58,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:58,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:22:58,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:22:58,132 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:22:58,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-07 20:22:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:58,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-07 20:22:58,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:22:58,615 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-11-07 20:22:58,615 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:22:58,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:58,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047193205] [2024-11-07 20:22:58,831 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:22:58,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876993353] [2024-11-07 20:22:58,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [876993353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:22:58,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:22:58,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:22:58,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975278052] [2024-11-07 20:22:58,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:22:58,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:22:58,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:58,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:22:58,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:22:58,833 INFO L87 Difference]: Start difference. First operand 302 states and 380 transitions. Second operand has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:59,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:59,403 INFO L93 Difference]: Finished difference Result 310 states and 383 transitions. [2024-11-07 20:22:59,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:22:59,404 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 86 [2024-11-07 20:22:59,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:59,405 INFO L225 Difference]: With dead ends: 310 [2024-11-07 20:22:59,405 INFO L226 Difference]: Without dead ends: 307 [2024-11-07 20:22:59,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:22:59,405 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 275 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:59,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 229 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:22:59,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2024-11-07 20:22:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2024-11-07 20:22:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 217 states have (on average 1.5115207373271888) internal successors, (328), 276 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 374 transitions. [2024-11-07 20:22:59,419 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 374 transitions. Word has length 86 [2024-11-07 20:22:59,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:59,419 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 374 transitions. [2024-11-07 20:22:59,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:22:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 374 transitions. [2024-11-07 20:22:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-07 20:22:59,420 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:59,420 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:59,435 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-07 20:22:59,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-07 20:22:59,624 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:59,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:59,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1639846860, now seen corresponding path program 1 times [2024-11-07 20:22:59,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:59,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015146645] [2024-11-07 20:22:59,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:59,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:59,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:59,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:59,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,687 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:59,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:59,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015146645] [2024-11-07 20:22:59,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015146645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:59,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:59,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:22:59,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592350583] [2024-11-07 20:22:59,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:59,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:22:59,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:59,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:22:59,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:59,688 INFO L87 Difference]: Start difference. First operand 302 states and 374 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:59,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:22:59,817 INFO L93 Difference]: Finished difference Result 302 states and 374 transitions. [2024-11-07 20:22:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:22:59,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 99 [2024-11-07 20:22:59,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:22:59,819 INFO L225 Difference]: With dead ends: 302 [2024-11-07 20:22:59,819 INFO L226 Difference]: Without dead ends: 301 [2024-11-07 20:22:59,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:22:59,819 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 1 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:22:59,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 285 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:22:59,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-07 20:22:59,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2024-11-07 20:22:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4930875576036866) internal successors, (324), 275 states have internal predecessors, (324), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:22:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 370 transitions. [2024-11-07 20:22:59,832 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 370 transitions. Word has length 99 [2024-11-07 20:22:59,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:22:59,832 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 370 transitions. [2024-11-07 20:22:59,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:22:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 370 transitions. [2024-11-07 20:22:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-07 20:22:59,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:22:59,833 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:22:59,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 20:22:59,833 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:22:59,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:22:59,834 INFO L85 PathProgramCache]: Analyzing trace with hash -704354736, now seen corresponding path program 1 times [2024-11-07 20:22:59,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:22:59,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906582283] [2024-11-07 20:22:59,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:22:59,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:22:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:22:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:22:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:22:59,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:22:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:22:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:22:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:22:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:22:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:22:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:22:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:22:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:22:59,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:22:59,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906582283] [2024-11-07 20:22:59,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906582283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:22:59,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:22:59,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 20:22:59,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189276922] [2024-11-07 20:22:59,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:22:59,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:22:59,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:22:59,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:22:59,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:22:59,932 INFO L87 Difference]: Start difference. First operand 301 states and 370 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:23:00,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:00,664 INFO L93 Difference]: Finished difference Result 305 states and 371 transitions. [2024-11-07 20:23:00,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:23:00,664 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 100 [2024-11-07 20:23:00,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:00,665 INFO L225 Difference]: With dead ends: 305 [2024-11-07 20:23:00,665 INFO L226 Difference]: Without dead ends: 304 [2024-11-07 20:23:00,666 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:00,666 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 421 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:00,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 230 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-07 20:23:00,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 301. [2024-11-07 20:23:00,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 217 states have (on average 1.4884792626728112) internal successors, (323), 275 states have internal predecessors, (323), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:23:00,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 369 transitions. [2024-11-07 20:23:00,679 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 369 transitions. Word has length 100 [2024-11-07 20:23:00,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:00,679 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 369 transitions. [2024-11-07 20:23:00,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:23:00,680 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 369 transitions. [2024-11-07 20:23:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-07 20:23:00,681 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:00,681 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:00,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 20:23:00,681 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:00,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:00,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1718397328, now seen corresponding path program 1 times [2024-11-07 20:23:00,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:00,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687430717] [2024-11-07 20:23:00,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:00,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:00,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:00,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:00,818 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:00,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:00,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687430717] [2024-11-07 20:23:00,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687430717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:00,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:00,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:00,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899919752] [2024-11-07 20:23:00,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:00,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:00,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:00,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:00,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:00,819 INFO L87 Difference]: Start difference. First operand 301 states and 369 transitions. Second operand has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:01,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:01,690 INFO L93 Difference]: Finished difference Result 316 states and 380 transitions. [2024-11-07 20:23:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:01,691 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 102 [2024-11-07 20:23:01,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:01,692 INFO L225 Difference]: With dead ends: 316 [2024-11-07 20:23:01,692 INFO L226 Difference]: Without dead ends: 315 [2024-11-07 20:23:01,692 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:01,693 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:01,693 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-07 20:23:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-07 20:23:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 306. [2024-11-07 20:23:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 222 states have (on average 1.4774774774774775) internal successors, (328), 280 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:23:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 374 transitions. [2024-11-07 20:23:01,707 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 374 transitions. Word has length 102 [2024-11-07 20:23:01,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:01,708 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 374 transitions. [2024-11-07 20:23:01,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.5) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 374 transitions. [2024-11-07 20:23:01,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-07 20:23:01,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:01,709 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:01,709 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 20:23:01,709 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:01,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1730709788, now seen corresponding path program 1 times [2024-11-07 20:23:01,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:01,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928501400] [2024-11-07 20:23:01,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:01,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:01,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [80173807] [2024-11-07 20:23:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:01,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:01,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:01,728 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:01,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-07 20:23:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:01,791 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:23:01,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:01,905 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:01,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:01,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:01,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928501400] [2024-11-07 20:23:01,905 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:01,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80173807] [2024-11-07 20:23:01,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80173807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:01,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:01,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:23:01,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007931924] [2024-11-07 20:23:01,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:01,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:23:01,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:01,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:23:01,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:23:01,906 INFO L87 Difference]: Start difference. First operand 306 states and 374 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:02,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:02,296 INFO L93 Difference]: Finished difference Result 316 states and 378 transitions. [2024-11-07 20:23:02,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:23:02,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 103 [2024-11-07 20:23:02,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:02,297 INFO L225 Difference]: With dead ends: 316 [2024-11-07 20:23:02,297 INFO L226 Difference]: Without dead ends: 315 [2024-11-07 20:23:02,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:02,298 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 15 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:02,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 313 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:23:02,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2024-11-07 20:23:02,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 308. [2024-11-07 20:23:02,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4732142857142858) internal successors, (330), 282 states have internal predecessors, (330), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:23:02,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 376 transitions. [2024-11-07 20:23:02,316 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 376 transitions. Word has length 103 [2024-11-07 20:23:02,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:02,316 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 376 transitions. [2024-11-07 20:23:02,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:02,316 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 376 transitions. [2024-11-07 20:23:02,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-07 20:23:02,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:02,317 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:02,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-07 20:23:02,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:02,522 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:02,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash -703401356, now seen corresponding path program 1 times [2024-11-07 20:23:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991948969] [2024-11-07 20:23:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:02,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:02,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1358501458] [2024-11-07 20:23:02,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:02,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:02,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:02,535 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:02,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-07 20:23:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:02,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-07 20:23:02,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 11 proven. 6 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:02,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:02,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:02,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991948969] [2024-11-07 20:23:02,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1358501458] [2024-11-07 20:23:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1358501458] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:02,832 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:02,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:02,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636612834] [2024-11-07 20:23:02,832 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:02,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:02,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:02,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:02,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:02,833 INFO L87 Difference]: Start difference. First operand 308 states and 376 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:03,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:03,184 INFO L93 Difference]: Finished difference Result 311 states and 376 transitions. [2024-11-07 20:23:03,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:23:03,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-07 20:23:03,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:03,186 INFO L225 Difference]: With dead ends: 311 [2024-11-07 20:23:03,186 INFO L226 Difference]: Without dead ends: 309 [2024-11-07 20:23:03,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-07 20:23:03,186 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 198 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:03,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 423 Invalid, 505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2024-11-07 20:23:03,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 308. [2024-11-07 20:23:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 224 states have (on average 1.4642857142857142) internal successors, (328), 282 states have internal predecessors, (328), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-07 20:23:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 374 transitions. [2024-11-07 20:23:03,211 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 374 transitions. Word has length 104 [2024-11-07 20:23:03,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:03,211 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 374 transitions. [2024-11-07 20:23:03,211 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 374 transitions. [2024-11-07 20:23:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-07 20:23:03,212 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:03,212 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:03,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-07 20:23:03,412 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-11-07 20:23:03,412 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:03,413 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:03,413 INFO L85 PathProgramCache]: Analyzing trace with hash -330605481, now seen corresponding path program 1 times [2024-11-07 20:23:03,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:03,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453555205] [2024-11-07 20:23:03,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:03,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [292854272] [2024-11-07 20:23:03,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:03,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:03,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:03,426 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:03,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-07 20:23:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:03,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-07 20:23:03,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:03,746 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 20:23:03,746 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:03,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453555205] [2024-11-07 20:23:03,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:03,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292854272] [2024-11-07 20:23:03,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292854272] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:03,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:03,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:23:03,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575460427] [2024-11-07 20:23:03,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:03,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:23:03,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:03,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:23:03,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:03,980 INFO L87 Difference]: Start difference. First operand 308 states and 374 transitions. Second operand has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:23:04,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:04,486 INFO L93 Difference]: Finished difference Result 358 states and 431 transitions. [2024-11-07 20:23:04,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:23:04,486 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 105 [2024-11-07 20:23:04,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:04,487 INFO L225 Difference]: With dead ends: 358 [2024-11-07 20:23:04,487 INFO L226 Difference]: Without dead ends: 356 [2024-11-07 20:23:04,488 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:23:04,488 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 286 mSDsluCounter, 355 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 566 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:04,488 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 437 Invalid, 566 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:23:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-07 20:23:04,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-11-07 20:23:04,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 266 states have (on average 1.406015037593985) internal successors, (374), 324 states have internal predecessors, (374), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:04,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 428 transitions. [2024-11-07 20:23:04,502 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 428 transitions. Word has length 105 [2024-11-07 20:23:04,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:04,502 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 428 transitions. [2024-11-07 20:23:04,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-07 20:23:04,502 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 428 transitions. [2024-11-07 20:23:04,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 20:23:04,502 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:04,502 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:04,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:04,703 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:04,703 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:04,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:04,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1506921324, now seen corresponding path program 1 times [2024-11-07 20:23:04,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:04,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827464900] [2024-11-07 20:23:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:04,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:04,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:04,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:04,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:04,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827464900] [2024-11-07 20:23:04,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827464900] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:04,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:04,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:04,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805404595] [2024-11-07 20:23:04,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:04,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:04,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:04,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:04,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:04,883 INFO L87 Difference]: Start difference. First operand 354 states and 428 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:05,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:05,920 INFO L93 Difference]: Finished difference Result 368 states and 438 transitions. [2024-11-07 20:23:05,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:05,921 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106 [2024-11-07 20:23:05,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:05,922 INFO L225 Difference]: With dead ends: 368 [2024-11-07 20:23:05,922 INFO L226 Difference]: Without dead ends: 367 [2024-11-07 20:23:05,922 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:05,922 INFO L432 NwaCegarLoop]: 153 mSDtfsCounter, 13 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:05,922 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 515 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:23:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2024-11-07 20:23:05,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 359. [2024-11-07 20:23:05,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.4059040590405905) internal successors, (381), 329 states have internal predecessors, (381), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:05,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 435 transitions. [2024-11-07 20:23:05,934 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 435 transitions. Word has length 106 [2024-11-07 20:23:05,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:05,934 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 435 transitions. [2024-11-07 20:23:05,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 20:23:05,934 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 435 transitions. [2024-11-07 20:23:05,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 20:23:05,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:05,935 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:05,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 20:23:05,935 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:05,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:05,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1658835242, now seen corresponding path program 1 times [2024-11-07 20:23:05,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:05,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215329575] [2024-11-07 20:23:05,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:05,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:05,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:05,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,997 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:05,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:05,999 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:05,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:05,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215329575] [2024-11-07 20:23:05,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215329575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:05,999 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:05,999 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:06,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916386036] [2024-11-07 20:23:06,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:06,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:06,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:06,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:06,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:06,001 INFO L87 Difference]: Start difference. First operand 359 states and 435 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:23:06,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:06,676 INFO L93 Difference]: Finished difference Result 391 states and 435 transitions. [2024-11-07 20:23:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:23:06,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 106 [2024-11-07 20:23:06,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:06,678 INFO L225 Difference]: With dead ends: 391 [2024-11-07 20:23:06,678 INFO L226 Difference]: Without dead ends: 390 [2024-11-07 20:23:06,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:23:06,678 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 134 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 557 SdHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:06,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 557 Invalid, 197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:23:06,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-07 20:23:06,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 359. [2024-11-07 20:23:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 359 states, 271 states have (on average 1.3948339483394834) internal successors, (378), 329 states have internal predecessors, (378), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:06,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 432 transitions. [2024-11-07 20:23:06,696 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 432 transitions. Word has length 106 [2024-11-07 20:23:06,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:06,696 INFO L471 AbstractCegarLoop]: Abstraction has 359 states and 432 transitions. [2024-11-07 20:23:06,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2024-11-07 20:23:06,697 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 432 transitions. [2024-11-07 20:23:06,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 20:23:06,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:06,698 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:06,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 20:23:06,698 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:06,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:06,699 INFO L85 PathProgramCache]: Analyzing trace with hash 530079392, now seen corresponding path program 1 times [2024-11-07 20:23:06,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:06,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823163923] [2024-11-07 20:23:06,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:06,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:06,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309616685] [2024-11-07 20:23:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:06,723 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:06,723 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:06,725 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:06,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-07 20:23:06,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:06,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:23:06,790 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:06,947 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:06,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:06,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:06,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823163923] [2024-11-07 20:23:06,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:06,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309616685] [2024-11-07 20:23:06,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309616685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:06,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:23:06,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 20:23:06,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621495679] [2024-11-07 20:23:06,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:06,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:23:06,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:06,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:23:06,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:06,949 INFO L87 Difference]: Start difference. First operand 359 states and 432 transitions. Second operand has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:07,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:07,136 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-07 20:23:07,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:23:07,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 107 [2024-11-07 20:23:07,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:07,138 INFO L225 Difference]: With dead ends: 366 [2024-11-07 20:23:07,138 INFO L226 Difference]: Without dead ends: 365 [2024-11-07 20:23:07,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:23:07,138 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 56 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:07,139 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 538 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:23:07,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-07 20:23:07,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-07 20:23:07,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.3919413919413919) internal successors, (380), 331 states have internal predecessors, (380), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:07,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 434 transitions. [2024-11-07 20:23:07,156 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 434 transitions. Word has length 107 [2024-11-07 20:23:07,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:07,156 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 434 transitions. [2024-11-07 20:23:07,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.75) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:07,156 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 434 transitions. [2024-11-07 20:23:07,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 20:23:07,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:07,157 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:07,169 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-07 20:23:07,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,30 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:07,357 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:07,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:07,358 INFO L85 PathProgramCache]: Analyzing trace with hash 115715129, now seen corresponding path program 1 times [2024-11-07 20:23:07,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:07,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864143004] [2024-11-07 20:23:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:07,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:07,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1502078843] [2024-11-07 20:23:07,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:07,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:07,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:07,374 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:07,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-07 20:23:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:07,448 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-07 20:23:07,450 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:07,721 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:07,721 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:07,970 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-07 20:23:07,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864143004] [2024-11-07 20:23:07,970 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1502078843] [2024-11-07 20:23:07,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1502078843] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:07,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:23:07,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 13 [2024-11-07 20:23:07,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096694177] [2024-11-07 20:23:07,970 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:07,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-07 20:23:07,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:07,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-07 20:23:07,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:23:07,971 INFO L87 Difference]: Start difference. First operand 361 states and 434 transitions. Second operand has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-07 20:23:09,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:09,207 INFO L93 Difference]: Finished difference Result 366 states and 435 transitions. [2024-11-07 20:23:09,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 20:23:09,209 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) Word has length 107 [2024-11-07 20:23:09,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:09,210 INFO L225 Difference]: With dead ends: 366 [2024-11-07 20:23:09,210 INFO L226 Difference]: Without dead ends: 365 [2024-11-07 20:23:09,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-11-07 20:23:09,211 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 355 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 943 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:09,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 647 Invalid, 943 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 911 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-07 20:23:09,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2024-11-07 20:23:09,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 361. [2024-11-07 20:23:09,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 273 states have (on average 1.380952380952381) internal successors, (377), 331 states have internal predecessors, (377), 27 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-07 20:23:09,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 431 transitions. [2024-11-07 20:23:09,230 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 431 transitions. Word has length 107 [2024-11-07 20:23:09,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:09,230 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 431 transitions. [2024-11-07 20:23:09,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.153846153846153) internal successors, (119), 14 states have internal predecessors, (119), 7 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 6 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-07 20:23:09,231 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 431 transitions. [2024-11-07 20:23:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-07 20:23:09,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:09,232 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:09,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-07 20:23:09,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-11-07 20:23:09,437 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:09,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:09,437 INFO L85 PathProgramCache]: Analyzing trace with hash -999523498, now seen corresponding path program 1 times [2024-11-07 20:23:09,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:09,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257948804] [2024-11-07 20:23:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:09,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,597 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:09,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257948804] [2024-11-07 20:23:09,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257948804] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:09,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042258829] [2024-11-07 20:23:09,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:09,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:09,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:09,600 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:09,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-07 20:23:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:09,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:23:09,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:09,735 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:09,735 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:09,849 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:09,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042258829] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:09,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:23:09,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-07 20:23:09,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267447964] [2024-11-07 20:23:09,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:09,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:09,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:09,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:09,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:23:09,851 INFO L87 Difference]: Start difference. First operand 361 states and 431 transitions. Second operand has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-07 20:23:10,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:10,659 INFO L93 Difference]: Finished difference Result 754 states and 867 transitions. [2024-11-07 20:23:10,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:10,660 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 110 [2024-11-07 20:23:10,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:10,662 INFO L225 Difference]: With dead ends: 754 [2024-11-07 20:23:10,662 INFO L226 Difference]: Without dead ends: 725 [2024-11-07 20:23:10,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=74, Invalid=232, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:10,663 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 867 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 695 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 877 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:10,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [877 Valid, 723 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 695 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:10,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2024-11-07 20:23:10,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 517. [2024-11-07 20:23:10,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 417 states have (on average 1.539568345323741) internal successors, (642), 475 states have internal predecessors, (642), 39 states have call successors, (39), 2 states have call predecessors, (39), 2 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-07 20:23:10,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 720 transitions. [2024-11-07 20:23:10,689 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 720 transitions. Word has length 110 [2024-11-07 20:23:10,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:10,689 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 720 transitions. [2024-11-07 20:23:10,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.583333333333334) internal successors, (127), 11 states have internal predecessors, (127), 6 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2024-11-07 20:23:10,689 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 720 transitions. [2024-11-07 20:23:10,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:23:10,690 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:10,690 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:10,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-07 20:23:10,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-07 20:23:10,891 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:10,891 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:10,891 INFO L85 PathProgramCache]: Analyzing trace with hash 202257673, now seen corresponding path program 1 times [2024-11-07 20:23:10,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:10,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895384252] [2024-11-07 20:23:10,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:10,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 20:23:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 20:23:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 20:23:11,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-11-07 20:23:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 20:23:11,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 20:23:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 20:23:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-07 20:23:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 20:23:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-07 20:23:11,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-11-07 20:23:11,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895384252] [2024-11-07 20:23:11,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895384252] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:11,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199038350] [2024-11-07 20:23:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:11,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:11,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:11,116 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:11,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-07 20:23:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:11,183 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:23:11,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:11,357 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:23:11,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199038350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:23:11,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:11,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-07 20:23:11,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993812468] [2024-11-07 20:23:11,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:23:11,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:11,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:11,359 INFO L87 Difference]: Start difference. First operand 517 states and 720 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:13,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:13,373 INFO L93 Difference]: Finished difference Result 979 states and 1303 transitions. [2024-11-07 20:23:13,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:23:13,373 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 113 [2024-11-07 20:23:13,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:13,376 INFO L225 Difference]: With dead ends: 979 [2024-11-07 20:23:13,376 INFO L226 Difference]: Without dead ends: 978 [2024-11-07 20:23:13,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=660, Unknown=0, NotChecked=0, Total=812 [2024-11-07 20:23:13,377 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 726 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 860 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 898 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:13,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 898 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 860 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-07 20:23:13,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2024-11-07 20:23:13,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 717. [2024-11-07 20:23:13,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 601 states have (on average 1.6289517470881865) internal successors, (979), 659 states have internal predecessors, (979), 55 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 20:23:13,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1089 transitions. [2024-11-07 20:23:13,411 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1089 transitions. Word has length 113 [2024-11-07 20:23:13,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:13,412 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 1089 transitions. [2024-11-07 20:23:13,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 8 states have internal predecessors, (69), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-07 20:23:13,412 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1089 transitions. [2024-11-07 20:23:13,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-07 20:23:13,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:13,412 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:13,429 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:13,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-07 20:23:13,613 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:13,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash 1975020646, now seen corresponding path program 1 times [2024-11-07 20:23:13,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:13,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113950566] [2024-11-07 20:23:13,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:13,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:13,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [121373591] [2024-11-07 20:23:13,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:13,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:13,627 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:13,631 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:13,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-07 20:23:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:13,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:23:13,703 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:13,800 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:13,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-07 20:23:13,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:13,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113950566] [2024-11-07 20:23:13,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:13,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121373591] [2024-11-07 20:23:13,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121373591] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:23:13,933 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:23:13,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-07 20:23:13,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349312506] [2024-11-07 20:23:13,933 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:13,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:23:13,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:13,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:23:13,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:13,934 INFO L87 Difference]: Start difference. First operand 717 states and 1089 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-07 20:23:17,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-07 20:23:18,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:18,466 INFO L93 Difference]: Finished difference Result 1128 states and 1681 transitions. [2024-11-07 20:23:18,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 20:23:18,467 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 114 [2024-11-07 20:23:18,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:18,470 INFO L225 Difference]: With dead ends: 1128 [2024-11-07 20:23:18,470 INFO L226 Difference]: Without dead ends: 1127 [2024-11-07 20:23:18,470 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:18,470 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 585 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 704 mSolverCounterSat, 31 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 586 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 704 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:18,471 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [586 Valid, 687 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 704 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2024-11-07 20:23:18,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1127 states. [2024-11-07 20:23:18,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1127 to 876. [2024-11-07 20:23:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 748 states have (on average 1.6537433155080214) internal successors, (1237), 806 states have internal predecessors, (1237), 67 states have call successors, (67), 2 states have call predecessors, (67), 2 states have return successors, (67), 67 states have call predecessors, (67), 67 states have call successors, (67) [2024-11-07 20:23:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1371 transitions. [2024-11-07 20:23:18,506 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1371 transitions. Word has length 114 [2024-11-07 20:23:18,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:18,506 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1371 transitions. [2024-11-07 20:23:18,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 5 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) [2024-11-07 20:23:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1371 transitions. [2024-11-07 20:23:18,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-07 20:23:18,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:18,507 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:18,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-07 20:23:18,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,34 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:18,708 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:18,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:18,708 INFO L85 PathProgramCache]: Analyzing trace with hash 819993899, now seen corresponding path program 1 times [2024-11-07 20:23:18,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093620495] [2024-11-07 20:23:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:18,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:18,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:18,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [673585365] [2024-11-07 20:23:18,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:18,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:18,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:18,729 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:18,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-07 20:23:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:18,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:18,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:19,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:19,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093620495] [2024-11-07 20:23:19,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:19,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673585365] [2024-11-07 20:23:19,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673585365] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:19,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:19,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:19,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418140879] [2024-11-07 20:23:19,566 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:19,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:19,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:19,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:19,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:23:19,567 INFO L87 Difference]: Start difference. First operand 876 states and 1371 transitions. Second operand has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:20,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:20,647 INFO L93 Difference]: Finished difference Result 963 states and 1479 transitions. [2024-11-07 20:23:20,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:23:20,648 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 120 [2024-11-07 20:23:20,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:20,651 INFO L225 Difference]: With dead ends: 963 [2024-11-07 20:23:20,651 INFO L226 Difference]: Without dead ends: 960 [2024-11-07 20:23:20,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:23:20,652 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 486 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 1257 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:20,652 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [491 Valid, 472 Invalid, 1288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1257 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:23:20,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-07 20:23:20,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-07 20:23:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.6574307304785894) internal successors, (1316), 852 states have internal predecessors, (1316), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 20:23:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1458 transitions. [2024-11-07 20:23:20,691 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1458 transitions. Word has length 120 [2024-11-07 20:23:20,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:20,693 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1458 transitions. [2024-11-07 20:23:20,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1458 transitions. [2024-11-07 20:23:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-07 20:23:20,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:20,694 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:20,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-07 20:23:20,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-07 20:23:20,894 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:20,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:20,894 INFO L85 PathProgramCache]: Analyzing trace with hash -349992823, now seen corresponding path program 1 times [2024-11-07 20:23:20,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:20,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95274296] [2024-11-07 20:23:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:20,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:20,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1750363969] [2024-11-07 20:23:20,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:20,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:20,910 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:20,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-07 20:23:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:20,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:20,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:21,455 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 28 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:21,455 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:22,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:22,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95274296] [2024-11-07 20:23:22,388 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:22,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1750363969] [2024-11-07 20:23:22,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1750363969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:22,388 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:22,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396833684] [2024-11-07 20:23:22,389 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:22,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:22,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:22,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-07 20:23:22,390 INFO L87 Difference]: Start difference. First operand 926 states and 1458 transitions. Second operand has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:23,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:23,414 INFO L93 Difference]: Finished difference Result 961 states and 1474 transitions. [2024-11-07 20:23:23,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:23:23,414 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 121 [2024-11-07 20:23:23,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:23,418 INFO L225 Difference]: With dead ends: 961 [2024-11-07 20:23:23,418 INFO L226 Difference]: Without dead ends: 960 [2024-11-07 20:23:23,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:23:23,419 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 634 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 1229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:23,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 392 Invalid, 1229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1191 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:23:23,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-07 20:23:23,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 926. [2024-11-07 20:23:23,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 794 states have (on average 1.654911838790932) internal successors, (1314), 852 states have internal predecessors, (1314), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-07 20:23:23,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1456 transitions. [2024-11-07 20:23:23,453 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1456 transitions. Word has length 121 [2024-11-07 20:23:23,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:23,453 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1456 transitions. [2024-11-07 20:23:23,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 6 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-11-07 20:23:23,453 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1456 transitions. [2024-11-07 20:23:23,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-07 20:23:23,453 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:23,454 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:23,465 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-07 20:23:23,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:23,654 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:23,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:23,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2035124461, now seen corresponding path program 1 times [2024-11-07 20:23:23,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:23,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573703083] [2024-11-07 20:23:23,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:23,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:23,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1331933548] [2024-11-07 20:23:23,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:23,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:23,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:23,669 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:23,671 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-07 20:23:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:23,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:23:23,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:23,981 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 3 proven. 32 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:23,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:24,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573703083] [2024-11-07 20:23:24,033 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331933548] [2024-11-07 20:23:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331933548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:24,033 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:24,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:24,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652656266] [2024-11-07 20:23:24,033 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:24,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:24,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:24,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:24,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:24,034 INFO L87 Difference]: Start difference. First operand 926 states and 1456 transitions. Second operand has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:24,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:24,422 INFO L93 Difference]: Finished difference Result 1070 states and 1662 transitions. [2024-11-07 20:23:24,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:23:24,422 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 122 [2024-11-07 20:23:24,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:24,425 INFO L225 Difference]: With dead ends: 1070 [2024-11-07 20:23:24,425 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 20:23:24,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:24,426 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 227 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 470 SdHoareTripleChecker+Invalid, 399 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:24,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 470 Invalid, 399 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:23:24,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 20:23:24,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1029. [2024-11-07 20:23:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 888 states have (on average 1.6711711711711712) internal successors, (1484), 946 states have internal predecessors, (1484), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:24,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1644 transitions. [2024-11-07 20:23:24,479 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1644 transitions. Word has length 122 [2024-11-07 20:23:24,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:24,480 INFO L471 AbstractCegarLoop]: Abstraction has 1029 states and 1644 transitions. [2024-11-07 20:23:24,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.857142857142858) internal successors, (76), 7 states have internal predecessors, (76), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:24,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1644 transitions. [2024-11-07 20:23:24,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:23:24,481 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:24,481 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:24,493 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:24,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,37 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:24,681 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:24,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:24,682 INFO L85 PathProgramCache]: Analyzing trace with hash -1335651061, now seen corresponding path program 1 times [2024-11-07 20:23:24,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:24,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691285236] [2024-11-07 20:23:24,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:24,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:24,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [784089573] [2024-11-07 20:23:24,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:24,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:24,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:24,698 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:24,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-07 20:23:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:24,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-07 20:23:24,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:25,059 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:25,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691285236] [2024-11-07 20:23:25,484 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:25,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784089573] [2024-11-07 20:23:25,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784089573] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:25,484 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:25,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-07 20:23:25,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535221760] [2024-11-07 20:23:25,484 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:25,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:23:25,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:25,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:23:25,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:23:25,485 INFO L87 Difference]: Start difference. First operand 1029 states and 1644 transitions. Second operand has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:25,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:25,885 INFO L93 Difference]: Finished difference Result 1070 states and 1657 transitions. [2024-11-07 20:23:25,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:23:25,885 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 123 [2024-11-07 20:23:25,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:25,889 INFO L225 Difference]: With dead ends: 1070 [2024-11-07 20:23:25,889 INFO L226 Difference]: Without dead ends: 1068 [2024-11-07 20:23:25,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:25,890 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 366 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 404 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 404 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:25,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 532 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 404 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:23:25,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2024-11-07 20:23:25,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 1030. [2024-11-07 20:23:25,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6659167604049494) internal successors, (1481), 947 states have internal predecessors, (1481), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:25,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1641 transitions. [2024-11-07 20:23:25,945 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1641 transitions. Word has length 123 [2024-11-07 20:23:25,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:25,947 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1641 transitions. [2024-11-07 20:23:25,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.0) internal successors, (77), 7 states have internal predecessors, (77), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:25,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1641 transitions. [2024-11-07 20:23:25,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 20:23:25,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:25,948 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:25,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-07 20:23:26,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:26,149 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:26,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1544490159, now seen corresponding path program 1 times [2024-11-07 20:23:26,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:26,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190264686] [2024-11-07 20:23:26,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:26,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:26,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131408856] [2024-11-07 20:23:26,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:26,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:26,164 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:26,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-07 20:23:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:26,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:23:26,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 6 proven. 22 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-07 20:23:26,707 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:27,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:27,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190264686] [2024-11-07 20:23:27,064 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:27,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131408856] [2024-11-07 20:23:27,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131408856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:27,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:27,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-07 20:23:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492336341] [2024-11-07 20:23:27,064 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:27,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:23:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:27,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:23:27,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2024-11-07 20:23:27,065 INFO L87 Difference]: Start difference. First operand 1030 states and 1641 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:28,199 INFO L93 Difference]: Finished difference Result 1057 states and 1657 transitions. [2024-11-07 20:23:28,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:23:28,199 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 124 [2024-11-07 20:23:28,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:28,202 INFO L225 Difference]: With dead ends: 1057 [2024-11-07 20:23:28,202 INFO L226 Difference]: Without dead ends: 1056 [2024-11-07 20:23:28,203 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-07 20:23:28,203 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 412 mSDsluCounter, 388 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 422 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 1301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:28,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [422 Valid, 477 Invalid, 1301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-07 20:23:28,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1056 states. [2024-11-07 20:23:28,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1056 to 1030. [2024-11-07 20:23:28,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 889 states have (on average 1.6636670416197976) internal successors, (1479), 947 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:28,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1639 transitions. [2024-11-07 20:23:28,257 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1639 transitions. Word has length 124 [2024-11-07 20:23:28,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:28,258 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1639 transitions. [2024-11-07 20:23:28,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:28,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1639 transitions. [2024-11-07 20:23:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-07 20:23:28,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:28,259 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:28,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:28,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-07 20:23:28,459 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:28,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:28,460 INFO L85 PathProgramCache]: Analyzing trace with hash 634554765, now seen corresponding path program 1 times [2024-11-07 20:23:28,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:28,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620029348] [2024-11-07 20:23:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:28,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:28,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1431524193] [2024-11-07 20:23:28,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:28,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:28,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:28,474 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:28,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-07 20:23:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:28,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:23:28,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-11-07 20:23:28,965 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:29,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:29,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620029348] [2024-11-07 20:23:29,138 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:29,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431524193] [2024-11-07 20:23:29,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431524193] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:29,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:29,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:23:29,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938591740] [2024-11-07 20:23:29,138 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:29,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:23:29,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:29,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:23:29,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:23:29,139 INFO L87 Difference]: Start difference. First operand 1030 states and 1639 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:30,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:30,113 INFO L93 Difference]: Finished difference Result 1071 states and 1650 transitions. [2024-11-07 20:23:30,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:23:30,113 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) Word has length 125 [2024-11-07 20:23:30,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:30,116 INFO L225 Difference]: With dead ends: 1071 [2024-11-07 20:23:30,116 INFO L226 Difference]: Without dead ends: 1067 [2024-11-07 20:23:30,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:23:30,117 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 312 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 534 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:30,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 551 Invalid, 534 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:23:30,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1067 states. [2024-11-07 20:23:30,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1067 to 1033. [2024-11-07 20:23:30,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6580717488789238) internal successors, (1479), 950 states have internal predecessors, (1479), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:30,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1639 transitions. [2024-11-07 20:23:30,164 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1639 transitions. Word has length 125 [2024-11-07 20:23:30,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:30,164 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1639 transitions. [2024-11-07 20:23:30,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 8 states have internal predecessors, (79), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 4 states have call predecessors, (11), 5 states have call successors, (11) [2024-11-07 20:23:30,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1639 transitions. [2024-11-07 20:23:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-07 20:23:30,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:30,165 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:30,179 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-07 20:23:30,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:30,365 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:30,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:30,365 INFO L85 PathProgramCache]: Analyzing trace with hash 212677275, now seen corresponding path program 1 times [2024-11-07 20:23:30,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:30,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512412291] [2024-11-07 20:23:30,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:30,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:30,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:30,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1300182413] [2024-11-07 20:23:30,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:30,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:30,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:30,384 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:30,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-07 20:23:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:30,462 INFO L255 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-07 20:23:30,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 34 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:30,962 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:23:44,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:23:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512412291] [2024-11-07 20:23:44,420 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:23:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300182413] [2024-11-07 20:23:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300182413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:23:44,420 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:23:44,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-07 20:23:44,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654294273] [2024-11-07 20:23:44,421 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:23:44,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:23:44,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:23:44,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:23:44,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=166, Unknown=3, NotChecked=0, Total=210 [2024-11-07 20:23:44,422 INFO L87 Difference]: Start difference. First operand 1033 states and 1639 transitions. Second operand has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:23:45,232 INFO L93 Difference]: Finished difference Result 1057 states and 1655 transitions. [2024-11-07 20:23:45,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:23:45,232 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 131 [2024-11-07 20:23:45,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:23:45,235 INFO L225 Difference]: With dead ends: 1057 [2024-11-07 20:23:45,235 INFO L226 Difference]: Without dead ends: 1055 [2024-11-07 20:23:45,235 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=84, Invalid=293, Unknown=3, NotChecked=0, Total=380 [2024-11-07 20:23:45,235 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 404 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 1280 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:23:45,235 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 494 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1280 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:23:45,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1055 states. [2024-11-07 20:23:45,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1055 to 1033. [2024-11-07 20:23:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 892 states have (on average 1.6535874439461884) internal successors, (1475), 950 states have internal predecessors, (1475), 80 states have call successors, (80), 2 states have call predecessors, (80), 2 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2024-11-07 20:23:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1635 transitions. [2024-11-07 20:23:45,283 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1635 transitions. Word has length 131 [2024-11-07 20:23:45,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:23:45,284 INFO L471 AbstractCegarLoop]: Abstraction has 1033 states and 1635 transitions. [2024-11-07 20:23:45,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.88888888888889) internal successors, (80), 9 states have internal predecessors, (80), 6 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2024-11-07 20:23:45,284 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1635 transitions. [2024-11-07 20:23:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-07 20:23:45,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:23:45,284 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:23:45,297 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-07 20:23:45,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-07 20:23:45,485 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 61 more)] === [2024-11-07 20:23:45,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:23:45,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1996938970, now seen corresponding path program 1 times [2024-11-07 20:23:45,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:23:45,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958503295] [2024-11-07 20:23:45,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:45,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:23:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:23:45,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336235552] [2024-11-07 20:23:45,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:23:45,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:23:45,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:23:45,499 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 20:23:45,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-07 20:23:45,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:23:45,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:23:45,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:23:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 38 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2024-11-07 20:23:45,949 INFO L311 TraceCheckSpWp]: Computing backward predicates...