./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.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/sqrt1-ll_unwindbound50.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', '6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7'] 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/sqrt1-ll_unwindbound50.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 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:51:13,475 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:51:13,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:51:13,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:51:13,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:51:13,598 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:51:13,598 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:51:13,599 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:51:13,599 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:51:13,599 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:51:13,600 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:51:13,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:51:13,600 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:51:13,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:51:13,600 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:51:13,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:51:13,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:51:13,603 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:51:13,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:51:13,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:51:13,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:51:13,604 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 -> 6c37a77a9f4db0db15bb3c5a5baacfcd5e1536d243d9987efda949cfc27e3fb7 [2024-11-07 20:51:13,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:51:13,881 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:51:13,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:51:13,884 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:51:13,884 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:51:13,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-11-07 20:51:15,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:51:15,361 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:51:15,362 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/sqrt1-ll_unwindbound50.c [2024-11-07 20:51:15,368 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d58b053b/cee682b02f4d4f039a70a8be5fad7dc6/FLAG1d09e03ec [2024-11-07 20:51:15,384 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0d58b053b/cee682b02f4d4f039a70a8be5fad7dc6 [2024-11-07 20:51:15,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:51:15,388 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:51:15,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:51:15,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:51:15,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:51:15,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36294a79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15, skipping insertion in model container [2024-11-07 20:51:15,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:51:15,545 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:51:15,554 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:51:15,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:51:15,584 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:51:15,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15 WrapperNode [2024-11-07 20:51:15,585 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:51:15,587 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:51:15,587 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:51:15,587 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:51:15,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,620 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 100 [2024-11-07 20:51:15,621 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:51:15,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:51:15,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:51:15,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:51:15,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,632 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,652 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 20:51:15,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,669 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:51:15,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:51:15,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:51:15,670 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:51:15,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (1/1) ... [2024-11-07 20:51:15,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:51:15,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:15,704 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 20:51:15,705 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 20:51:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:51:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:51:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:51:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:51:15,722 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:51:15,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:51:15,766 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:51:15,767 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:51:16,059 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-07 20:51:16,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:51:16,074 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:51:16,074 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:51:16,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:51:16 BoogieIcfgContainer [2024-11-07 20:51:16,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:51:16,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:51:16,079 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:51:16,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:51:16,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:51:15" (1/3) ... [2024-11-07 20:51:16,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7072fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:51:16, skipping insertion in model container [2024-11-07 20:51:16,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:51:15" (2/3) ... [2024-11-07 20:51:16,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d7072fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:51:16, skipping insertion in model container [2024-11-07 20:51:16,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:51:16" (3/3) ... [2024-11-07 20:51:16,087 INFO L112 eAbstractionObserver]: Analyzing ICFG sqrt1-ll_unwindbound50.c [2024-11-07 20:51:16,101 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:51:16,101 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 52 error locations. [2024-11-07 20:51:16,159 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:51:16,170 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;@1f267255, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:51:16,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-07 20:51:16,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:51:16,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:51:16,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:16,180 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:51:16,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:16,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash 928069, now seen corresponding path program 1 times [2024-11-07 20:51:16,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:16,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136155934] [2024-11-07 20:51:16,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:16,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:51:16,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:16,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136155934] [2024-11-07 20:51:16,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136155934] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:16,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:16,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:16,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676964938] [2024-11-07 20:51:16,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:16,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:51:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:16,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:51:16,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:51:16,322 INFO L87 Difference]: Start difference. First operand has 125 states, 65 states have (on average 1.8615384615384616) internal successors, (121), 117 states have internal predecessors, (121), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:16,344 INFO L93 Difference]: Finished difference Result 243 states and 269 transitions. [2024-11-07 20:51:16,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:51:16,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-07 20:51:16,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:16,359 INFO L225 Difference]: With dead ends: 243 [2024-11-07 20:51:16,360 INFO L226 Difference]: Without dead ends: 114 [2024-11-07 20:51:16,363 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 20:51:16,368 INFO L432 NwaCegarLoop]: 126 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, 126 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 20:51:16,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:51:16,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-07 20:51:16,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-07 20:51:16,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 60 states have (on average 1.8166666666666667) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:51:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 119 transitions. [2024-11-07 20:51:16,416 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 119 transitions. Word has length 4 [2024-11-07 20:51:16,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:16,416 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 119 transitions. [2024-11-07 20:51:16,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2024-11-07 20:51:16,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-07 20:51:16,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:16,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-07 20:51:16,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:51:16,418 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:16,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:16,419 INFO L85 PathProgramCache]: Analyzing trace with hash 925668, now seen corresponding path program 1 times [2024-11-07 20:51:16,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:16,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141938160] [2024-11-07 20:51:16,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:51:16,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:16,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141938160] [2024-11-07 20:51:16,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141938160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:16,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:16,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:16,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608966617] [2024-11-07 20:51:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:16,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:16,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:16,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:16,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:16,516 INFO L87 Difference]: Start difference. First operand 114 states and 119 transitions. Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:16,566 INFO L93 Difference]: Finished difference Result 114 states and 119 transitions. [2024-11-07 20:51:16,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:51:16,566 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-07 20:51:16,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:16,567 INFO L225 Difference]: With dead ends: 114 [2024-11-07 20:51:16,567 INFO L226 Difference]: Without dead ends: 113 [2024-11-07 20:51:16,568 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:51:16,568 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 117 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:16,569 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 223 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:51:16,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-07 20:51:16,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-07 20:51:16,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 60 states have (on average 1.8) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:51:16,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2024-11-07 20:51:16,585 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 4 [2024-11-07 20:51:16,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:16,585 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2024-11-07 20:51:16,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2024-11-07 20:51:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-07 20:51:16,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:16,586 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-07 20:51:16,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:51:16,586 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:16,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:16,587 INFO L85 PathProgramCache]: Analyzing trace with hash 28695749, now seen corresponding path program 1 times [2024-11-07 20:51:16,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:16,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986675645] [2024-11-07 20:51:16,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:16,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:16,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:51:16,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:16,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986675645] [2024-11-07 20:51:16,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986675645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:16,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:16,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:16,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882695582] [2024-11-07 20:51:16,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:16,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:16,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:16,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:16,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:16,647 INFO L87 Difference]: Start difference. First operand 113 states and 118 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:16,696 INFO L93 Difference]: Finished difference Result 166 states and 172 transitions. [2024-11-07 20:51:16,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:51:16,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2024-11-07 20:51:16,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:16,697 INFO L225 Difference]: With dead ends: 166 [2024-11-07 20:51:16,697 INFO L226 Difference]: Without dead ends: 117 [2024-11-07 20:51:16,697 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 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 20:51:16,698 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 3 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:16,698 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 338 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:51:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-07 20:51:16,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-07 20:51:16,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 64 states have (on average 1.75) internal successors, (112), 110 states have internal predecessors, (112), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-07 20:51:16,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 122 transitions. [2024-11-07 20:51:16,707 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 122 transitions. Word has length 5 [2024-11-07 20:51:16,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:16,707 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 122 transitions. [2024-11-07 20:51:16,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 122 transitions. [2024-11-07 20:51:16,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:51:16,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:16,708 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:16,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:51:16,708 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:16,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:16,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812487, now seen corresponding path program 1 times [2024-11-07 20:51:16,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:16,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566598117] [2024-11-07 20:51:16,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:16,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:51:16,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:16,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566598117] [2024-11-07 20:51:16,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566598117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:16,750 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:16,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:16,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695488764] [2024-11-07 20:51:16,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:16,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:51:16,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:16,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:51:16,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:51:16,751 INFO L87 Difference]: Start difference. First operand 117 states and 122 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:16,870 INFO L93 Difference]: Finished difference Result 211 states and 221 transitions. [2024-11-07 20:51:16,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:51:16,871 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-07 20:51:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:16,873 INFO L225 Difference]: With dead ends: 211 [2024-11-07 20:51:16,873 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 20:51:16,873 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 20:51:16,874 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 68 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:16,874 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 171 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:16,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 20:51:16,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 156. [2024-11-07 20:51:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 99 states have (on average 1.606060606060606) internal successors, (159), 145 states have internal predecessors, (159), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-07 20:51:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 177 transitions. [2024-11-07 20:51:16,885 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 177 transitions. Word has length 7 [2024-11-07 20:51:16,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:16,885 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 177 transitions. [2024-11-07 20:51:16,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:16,886 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 177 transitions. [2024-11-07 20:51:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-07 20:51:16,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:16,886 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:51:16,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:51:16,887 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:16,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash 323965805, now seen corresponding path program 1 times [2024-11-07 20:51:16,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:16,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682968645] [2024-11-07 20:51:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:16,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027079046] [2024-11-07 20:51:16,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:16,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:16,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:16,907 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 20:51:16,909 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 20:51:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:16,954 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:51:16,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:16,999 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:51:16,999 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:51:16,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:17,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682968645] [2024-11-07 20:51:17,000 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:17,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027079046] [2024-11-07 20:51:17,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027079046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:17,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:17,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:17,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246186580] [2024-11-07 20:51:17,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:17,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:51:17,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:17,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:51:17,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:51:17,003 INFO L87 Difference]: Start difference. First operand 156 states and 177 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:17,103 INFO L93 Difference]: Finished difference Result 183 states and 205 transitions. [2024-11-07 20:51:17,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:51:17,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-07 20:51:17,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:17,105 INFO L225 Difference]: With dead ends: 183 [2024-11-07 20:51:17,105 INFO L226 Difference]: Without dead ends: 175 [2024-11-07 20:51:17,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 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 20:51:17,106 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 41 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:17,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 166 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-07 20:51:17,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 167. [2024-11-07 20:51:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 109 states have (on average 1.5596330275229358) internal successors, (170), 155 states have internal predecessors, (170), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-07 20:51:17,121 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 28 [2024-11-07 20:51:17,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:17,121 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-07 20:51:17,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,122 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-07 20:51:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-07 20:51:17,122 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:17,122 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:51:17,135 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-07 20:51:17,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:17,325 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:17,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:17,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1453005437, now seen corresponding path program 1 times [2024-11-07 20:51:17,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:17,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958810728] [2024-11-07 20:51:17,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:17,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:17,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:17,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,403 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:51:17,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:17,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958810728] [2024-11-07 20:51:17,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958810728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:17,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:17,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:17,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733268138] [2024-11-07 20:51:17,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:17,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:51:17,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:17,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:51:17,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:51:17,405 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:17,530 INFO L93 Difference]: Finished difference Result 183 states and 201 transitions. [2024-11-07 20:51:17,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:51:17,531 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-07 20:51:17,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:17,532 INFO L225 Difference]: With dead ends: 183 [2024-11-07 20:51:17,532 INFO L226 Difference]: Without dead ends: 173 [2024-11-07 20:51:17,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:51:17,533 INFO L432 NwaCegarLoop]: 114 mSDtfsCounter, 38 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:17,533 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 195 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:17,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-07 20:51:17,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-07 20:51:17,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4821428571428572) internal successors, (166), 158 states have internal predecessors, (166), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:17,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 186 transitions. [2024-11-07 20:51:17,542 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 186 transitions. Word has length 29 [2024-11-07 20:51:17,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:17,542 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 186 transitions. [2024-11-07 20:51:17,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,542 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 186 transitions. [2024-11-07 20:51:17,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-07 20:51:17,543 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:17,543 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 20:51:17,543 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:51:17,543 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:17,544 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:17,544 INFO L85 PathProgramCache]: Analyzing trace with hash 1804640113, now seen corresponding path program 1 times [2024-11-07 20:51:17,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:17,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669920632] [2024-11-07 20:51:17,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:17,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:51:17,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:17,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669920632] [2024-11-07 20:51:17,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669920632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:17,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:51:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570058155] [2024-11-07 20:51:17,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:17,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:17,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:17,677 INFO L87 Difference]: Start difference. First operand 170 states and 186 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:17,785 INFO L93 Difference]: Finished difference Result 175 states and 191 transitions. [2024-11-07 20:51:17,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:51:17,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-07 20:51:17,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:17,786 INFO L225 Difference]: With dead ends: 175 [2024-11-07 20:51:17,787 INFO L226 Difference]: Without dead ends: 173 [2024-11-07 20:51:17,787 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 20:51:17,787 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 83 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:17,788 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 186 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:17,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-07 20:51:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 170. [2024-11-07 20:51:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 112 states have (on average 1.4642857142857142) internal successors, (164), 158 states have internal predecessors, (164), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 184 transitions. [2024-11-07 20:51:17,807 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 184 transitions. Word has length 32 [2024-11-07 20:51:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:17,807 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 184 transitions. [2024-11-07 20:51:17,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 184 transitions. [2024-11-07 20:51:17,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-07 20:51:17,808 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:17,808 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:17,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:51:17,808 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:17,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:17,808 INFO L85 PathProgramCache]: Analyzing trace with hash -360182923, now seen corresponding path program 1 times [2024-11-07 20:51:17,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:17,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656966672] [2024-11-07 20:51:17,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:17,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:17,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:51:17,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:17,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656966672] [2024-11-07 20:51:17,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656966672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:17,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:17,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:51:17,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42284051] [2024-11-07 20:51:17,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:17,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:51:17,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:17,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:51:17,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:51:17,916 INFO L87 Difference]: Start difference. First operand 170 states and 184 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:18,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:18,030 INFO L93 Difference]: Finished difference Result 175 states and 185 transitions. [2024-11-07 20:51:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:51:18,030 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2024-11-07 20:51:18,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:18,032 INFO L225 Difference]: With dead ends: 175 [2024-11-07 20:51:18,032 INFO L226 Difference]: Without dead ends: 147 [2024-11-07 20:51:18,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 20:51:18,034 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 29 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:18,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 174 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:18,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-07 20:51:18,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2024-11-07 20:51:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.5274725274725274) internal successors, (139), 137 states have internal predecessors, (139), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:51:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 155 transitions. [2024-11-07 20:51:18,048 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 155 transitions. Word has length 36 [2024-11-07 20:51:18,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:18,049 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 155 transitions. [2024-11-07 20:51:18,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:51:18,052 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 155 transitions. [2024-11-07 20:51:18,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:51:18,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:18,053 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:18,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 20:51:18,053 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:18,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:18,053 INFO L85 PathProgramCache]: Analyzing trace with hash 89880211, now seen corresponding path program 1 times [2024-11-07 20:51:18,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:18,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270579189] [2024-11-07 20:51:18,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:18,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:18,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,205 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:18,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:18,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270579189] [2024-11-07 20:51:18,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270579189] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:18,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:18,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:51:18,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955743952] [2024-11-07 20:51:18,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:18,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:18,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:18,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:18,208 INFO L87 Difference]: Start difference. First operand 147 states and 155 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:18,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:18,330 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2024-11-07 20:51:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:51:18,331 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 49 [2024-11-07 20:51:18,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:18,332 INFO L225 Difference]: With dead ends: 150 [2024-11-07 20:51:18,333 INFO L226 Difference]: Without dead ends: 149 [2024-11-07 20:51:18,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:18,335 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:18,335 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 221 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:18,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-07 20:51:18,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 148. [2024-11-07 20:51:18,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 92 states have (on average 1.5217391304347827) internal successors, (140), 138 states have internal predecessors, (140), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:51:18,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 156 transitions. [2024-11-07 20:51:18,347 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 156 transitions. Word has length 49 [2024-11-07 20:51:18,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:18,347 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 156 transitions. [2024-11-07 20:51:18,348 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:18,348 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 156 transitions. [2024-11-07 20:51:18,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-07 20:51:18,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:18,350 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:18,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:51:18,351 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:18,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:18,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1508680645, now seen corresponding path program 1 times [2024-11-07 20:51:18,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:18,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424659347] [2024-11-07 20:51:18,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:18,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:18,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:18,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:18,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424659347] [2024-11-07 20:51:18,493 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424659347] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:18,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:18,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:51:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379977568] [2024-11-07 20:51:18,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:18,494 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:18,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:18,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:18,495 INFO L87 Difference]: Start difference. First operand 148 states and 156 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:18,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:18,611 INFO L93 Difference]: Finished difference Result 150 states and 158 transitions. [2024-11-07 20:51:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:51:18,611 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2024-11-07 20:51:18,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:18,613 INFO L225 Difference]: With dead ends: 150 [2024-11-07 20:51:18,613 INFO L226 Difference]: Without dead ends: 149 [2024-11-07 20:51:18,613 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:51:18,614 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:18,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 225 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:18,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-07 20:51:18,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2024-11-07 20:51:18,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 93 states have (on average 1.5161290322580645) internal successors, (141), 139 states have internal predecessors, (141), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:51:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 157 transitions. [2024-11-07 20:51:18,622 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 157 transitions. Word has length 50 [2024-11-07 20:51:18,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:18,623 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 157 transitions. [2024-11-07 20:51:18,623 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), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2024-11-07 20:51:18,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 20:51:18,625 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:18,625 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:18,625 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:51:18,625 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:18,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:18,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1727694252, now seen corresponding path program 1 times [2024-11-07 20:51:18,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:18,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252029788] [2024-11-07 20:51:18,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:18,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:18,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:18,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252029788] [2024-11-07 20:51:18,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252029788] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:18,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015435724] [2024-11-07 20:51:18,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:18,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:18,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:18,754 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 20:51:18,758 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 20:51:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:18,812 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:51:18,814 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:18,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:18,935 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:51:18,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015435724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:18,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:51:18,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 20:51:18,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046891849] [2024-11-07 20:51:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:18,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:51:18,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:18,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:51:18,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:51:18,940 INFO L87 Difference]: Start difference. First operand 149 states and 157 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:19,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:19,008 INFO L93 Difference]: Finished difference Result 197 states and 205 transitions. [2024-11-07 20:51:19,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:51:19,009 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 53 [2024-11-07 20:51:19,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:19,010 INFO L225 Difference]: With dead ends: 197 [2024-11-07 20:51:19,010 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 20:51:19,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:51:19,011 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 77 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:19,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 506 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:51:19,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 20:51:19,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 164. [2024-11-07 20:51:19,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 106 states have (on average 1.528301886792453) internal successors, (162), 152 states have internal predecessors, (162), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:19,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2024-11-07 20:51:19,018 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 53 [2024-11-07 20:51:19,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:19,019 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2024-11-07 20:51:19,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:19,019 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2024-11-07 20:51:19,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 20:51:19,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:19,020 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:19,035 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 20:51:19,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:19,225 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:19,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:19,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1838165906, now seen corresponding path program 1 times [2024-11-07 20:51:19,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:19,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611300206] [2024-11-07 20:51:19,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:19,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,298 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:19,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611300206] [2024-11-07 20:51:19,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611300206] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:19,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21012137] [2024-11-07 20:51:19,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:19,301 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 20:51:19,303 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 20:51:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,353 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:51:19,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:19,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:19,420 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:51:19,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21012137] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:19,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:51:19,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:51:19,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260403594] [2024-11-07 20:51:19,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:19,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:51:19,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:19,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:51:19,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:51:19,423 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:19,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:19,511 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2024-11-07 20:51:19,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:51:19,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 55 [2024-11-07 20:51:19,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:19,513 INFO L225 Difference]: With dead ends: 164 [2024-11-07 20:51:19,513 INFO L226 Difference]: Without dead ends: 155 [2024-11-07 20:51:19,514 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 60 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 20:51:19,514 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 122 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:19,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 127 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:19,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-07 20:51:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-07 20:51:19,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 143 states have internal predecessors, (149), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:19,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 169 transitions. [2024-11-07 20:51:19,521 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 169 transitions. Word has length 55 [2024-11-07 20:51:19,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:19,522 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 169 transitions. [2024-11-07 20:51:19,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 20:51:19,522 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2024-11-07 20:51:19,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-07 20:51:19,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:19,523 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-07 20:51:19,539 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 20:51:19,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:19,724 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:19,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:19,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1148568188, now seen corresponding path program 1 times [2024-11-07 20:51:19,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:19,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971432071] [2024-11-07 20:51:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:19,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:19,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971432071] [2024-11-07 20:51:19,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971432071] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:19,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754176717] [2024-11-07 20:51:19,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:19,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:19,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:19,789 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 20:51:19,790 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 20:51:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:19,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:51:19,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:19,897 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:19,986 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:51:19,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754176717] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:19,986 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:19,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:51:19,987 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621915764] [2024-11-07 20:51:19,987 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:19,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:51:19,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:19,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:51:19,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:51:19,988 INFO L87 Difference]: Start difference. First operand 155 states and 169 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:51:20,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:20,155 INFO L93 Difference]: Finished difference Result 279 states and 330 transitions. [2024-11-07 20:51:20,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:51:20,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 56 [2024-11-07 20:51:20,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:20,157 INFO L225 Difference]: With dead ends: 279 [2024-11-07 20:51:20,157 INFO L226 Difference]: Without dead ends: 270 [2024-11-07 20:51:20,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:51:20,158 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 239 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 248 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:20,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [248 Valid, 273 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:20,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 270 states. [2024-11-07 20:51:20,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 270 to 146. [2024-11-07 20:51:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 134 states have internal predecessors, (136), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-07 20:51:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 156 transitions. [2024-11-07 20:51:20,168 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 156 transitions. Word has length 56 [2024-11-07 20:51:20,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:20,168 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 156 transitions. [2024-11-07 20:51:20,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 3 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-07 20:51:20,169 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 156 transitions. [2024-11-07 20:51:20,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:51:20,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:20,170 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:20,183 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 20:51:20,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-07 20:51:20,370 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:20,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:20,371 INFO L85 PathProgramCache]: Analyzing trace with hash -105881028, now seen corresponding path program 1 times [2024-11-07 20:51:20,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:20,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675140520] [2024-11-07 20:51:20,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:20,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:20,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706395963] [2024-11-07 20:51:20,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:20,392 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 20:51:20,393 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 20:51:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:20,444 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:51:20,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:20,518 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:51:20,518 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-07 20:51:20,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675140520] [2024-11-07 20:51:20,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1706395963] [2024-11-07 20:51:20,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1706395963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:20,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:51:20,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-07 20:51:20,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047914503] [2024-11-07 20:51:20,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:20,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:51:20,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:20,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:51:20,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:51:20,659 INFO L87 Difference]: Start difference. First operand 146 states and 156 transitions. Second operand has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:51:20,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:20,860 INFO L93 Difference]: Finished difference Result 370 states and 405 transitions. [2024-11-07 20:51:20,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:51:20,860 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 69 [2024-11-07 20:51:20,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:20,862 INFO L225 Difference]: With dead ends: 370 [2024-11-07 20:51:20,862 INFO L226 Difference]: Without dead ends: 368 [2024-11-07 20:51:20,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:51:20,863 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 346 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:20,863 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 331 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:51:20,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-07 20:51:20,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 244. [2024-11-07 20:51:20,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 196 states have (on average 1.3265306122448979) internal successors, (260), 224 states have internal predecessors, (260), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 17 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:51:20,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 296 transitions. [2024-11-07 20:51:20,877 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 296 transitions. Word has length 69 [2024-11-07 20:51:20,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:20,877 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 296 transitions. [2024-11-07 20:51:20,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.0) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-07 20:51:20,877 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 296 transitions. [2024-11-07 20:51:20,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-07 20:51:20,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:20,880 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:20,896 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 20:51:21,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-07 20:51:21,081 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:21,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:21,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1823839910, now seen corresponding path program 1 times [2024-11-07 20:51:21,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:21,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904749587] [2024-11-07 20:51:21,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:21,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:21,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100193219] [2024-11-07 20:51:21,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:21,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:21,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:21,097 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 20:51:21,099 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 20:51:21,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,148 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:51:21,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:21,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:21,391 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:21,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:21,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904749587] [2024-11-07 20:51:21,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:21,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100193219] [2024-11-07 20:51:21,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100193219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:21,393 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:51:21,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2024-11-07 20:51:21,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196477244] [2024-11-07 20:51:21,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:21,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:51:21,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:21,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:51:21,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:51:21,394 INFO L87 Difference]: Start difference. First operand 244 states and 296 transitions. Second operand has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 20:51:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:21,642 INFO L93 Difference]: Finished difference Result 332 states and 406 transitions. [2024-11-07 20:51:21,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:51:21,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 76 [2024-11-07 20:51:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:21,645 INFO L225 Difference]: With dead ends: 332 [2024-11-07 20:51:21,645 INFO L226 Difference]: Without dead ends: 324 [2024-11-07 20:51:21,646 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:51:21,647 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 182 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:21,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 263 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:51:21,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-07 20:51:21,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 244. [2024-11-07 20:51:21,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 244 states, 200 states have (on average 1.24) internal successors, (248), 222 states have internal predecessors, (248), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:51:21,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 244 states and 288 transitions. [2024-11-07 20:51:21,667 INFO L78 Accepts]: Start accepts. Automaton has 244 states and 288 transitions. Word has length 76 [2024-11-07 20:51:21,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:21,668 INFO L471 AbstractCegarLoop]: Abstraction has 244 states and 288 transitions. [2024-11-07 20:51:21,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 20.8) internal successors, (104), 6 states have internal predecessors, (104), 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 20:51:21,668 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 288 transitions. [2024-11-07 20:51:21,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 20:51:21,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:21,670 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:21,687 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 20:51:21,875 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,SelfDestructingSolverStorable14 [2024-11-07 20:51:21,876 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:21,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:21,876 INFO L85 PathProgramCache]: Analyzing trace with hash 704462436, now seen corresponding path program 1 times [2024-11-07 20:51:21,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:21,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935697007] [2024-11-07 20:51:21,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:21,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:21,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:21,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:21,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935697007] [2024-11-07 20:51:21,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935697007] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:21,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139957855] [2024-11-07 20:51:21,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:21,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:21,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:21,983 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 20:51:21,984 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 20:51:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:51:22,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:22,234 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:22,348 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:22,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139957855] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:22,348 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:22,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-07 20:51:22,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605533918] [2024-11-07 20:51:22,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:22,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:51:22,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:22,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:51:22,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:51:22,350 INFO L87 Difference]: Start difference. First operand 244 states and 288 transitions. Second operand has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:51:22,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:22,550 INFO L93 Difference]: Finished difference Result 244 states and 288 transitions. [2024-11-07 20:51:22,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:51:22,551 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 77 [2024-11-07 20:51:22,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:22,552 INFO L225 Difference]: With dead ends: 244 [2024-11-07 20:51:22,552 INFO L226 Difference]: Without dead ends: 241 [2024-11-07 20:51:22,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:51:22,553 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 125 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 261 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 261 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:22,553 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 220 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 261 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:51:22,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-07 20:51:22,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2024-11-07 20:51:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 200 states have (on average 1.205) internal successors, (241), 219 states have internal predecessors, (241), 20 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 19 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-07 20:51:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 281 transitions. [2024-11-07 20:51:22,567 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 281 transitions. Word has length 77 [2024-11-07 20:51:22,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:22,567 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 281 transitions. [2024-11-07 20:51:22,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.555555555555555) internal successors, (140), 10 states have internal predecessors, (140), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:51:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 281 transitions. [2024-11-07 20:51:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-07 20:51:22,568 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:22,568 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:22,585 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-07 20:51:22,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:22,769 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:22,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:22,770 INFO L85 PathProgramCache]: Analyzing trace with hash 363499112, now seen corresponding path program 1 times [2024-11-07 20:51:22,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:22,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207264322] [2024-11-07 20:51:22,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:22,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,851 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:22,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:22,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207264322] [2024-11-07 20:51:22,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207264322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:22,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1329533936] [2024-11-07 20:51:22,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:22,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:22,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:22,868 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 20:51:22,869 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 20:51:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:22,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:51:22,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:23,080 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:23,080 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:23,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1329533936] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:23,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:23,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-11-07 20:51:23,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889943273] [2024-11-07 20:51:23,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:23,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 20:51:23,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:23,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 20:51:23,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=50, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:51:23,192 INFO L87 Difference]: Start difference. First operand 241 states and 281 transitions. Second operand has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:51:23,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:23,452 INFO L93 Difference]: Finished difference Result 296 states and 346 transitions. [2024-11-07 20:51:23,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:51:23,453 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) Word has length 78 [2024-11-07 20:51:23,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:23,455 INFO L225 Difference]: With dead ends: 296 [2024-11-07 20:51:23,455 INFO L226 Difference]: Without dead ends: 287 [2024-11-07 20:51:23,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=72, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:51:23,456 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 99 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 284 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 284 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:23,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 312 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 284 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:51:23,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-07 20:51:23,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 251. [2024-11-07 20:51:23,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 251 states, 214 states have (on average 1.1214953271028036) internal successors, (240), 227 states have internal predecessors, (240), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-07 20:51:23,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 284 transitions. [2024-11-07 20:51:23,470 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 284 transitions. Word has length 78 [2024-11-07 20:51:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:23,470 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 284 transitions. [2024-11-07 20:51:23,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.777777777777779) internal successors, (142), 10 states have internal predecessors, (142), 5 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 5 states have call predecessors, (13), 5 states have call successors, (13) [2024-11-07 20:51:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 284 transitions. [2024-11-07 20:51:23,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-07 20:51:23,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:23,471 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:23,487 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 20:51:23,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-07 20:51:23,671 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:23,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:23,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1430298154, now seen corresponding path program 1 times [2024-11-07 20:51:23,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:23,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739753983] [2024-11-07 20:51:23,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:23,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:23,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:23,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:23,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,799 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:23,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:23,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739753983] [2024-11-07 20:51:23,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739753983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:23,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215019897] [2024-11-07 20:51:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:23,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:23,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:23,801 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 20:51:23,803 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 20:51:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:23,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-07 20:51:23,852 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-07 20:51:24,076 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:51:24,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215019897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:24,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:51:24,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-07 20:51:24,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704389320] [2024-11-07 20:51:24,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:24,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:51:24,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:24,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:51:24,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:51:24,077 INFO L87 Difference]: Start difference. First operand 251 states and 284 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:51:24,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:24,182 INFO L93 Difference]: Finished difference Result 253 states and 286 transitions. [2024-11-07 20:51:24,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:51:24,183 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 80 [2024-11-07 20:51:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:24,184 INFO L225 Difference]: With dead ends: 253 [2024-11-07 20:51:24,184 INFO L226 Difference]: Without dead ends: 209 [2024-11-07 20:51:24,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:51:24,185 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 82 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:24,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 151 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:24,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-07 20:51:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2024-11-07 20:51:24,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 182 states have (on average 1.0494505494505495) internal successors, (191), 188 states have internal predecessors, (191), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-07 20:51:24,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 227 transitions. [2024-11-07 20:51:24,199 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 227 transitions. Word has length 80 [2024-11-07 20:51:24,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:24,199 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 227 transitions. [2024-11-07 20:51:24,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:51:24,199 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 227 transitions. [2024-11-07 20:51:24,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-07 20:51:24,202 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:24,202 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-07 20:51:24,219 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-07 20:51:24,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-07 20:51:24,403 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:24,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:24,404 INFO L85 PathProgramCache]: Analyzing trace with hash -659854547, now seen corresponding path program 1 times [2024-11-07 20:51:24,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:24,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905630688] [2024-11-07 20:51:24,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:24,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:24,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:51:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 20:51:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:51:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:51:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,619 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:51:24,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:24,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905630688] [2024-11-07 20:51:24,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905630688] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:24,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665891295] [2024-11-07 20:51:24,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:24,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:24,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:24,622 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 20:51:24,623 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 20:51:24,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:24,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:51:24,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:25,057 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:51:25,057 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-07 20:51:25,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665891295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:25,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:25,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19 [2024-11-07 20:51:25,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138710193] [2024-11-07 20:51:25,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:25,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-07 20:51:25,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:25,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-07 20:51:25,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2024-11-07 20:51:25,311 INFO L87 Difference]: Start difference. First operand 209 states and 227 transitions. Second operand has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-07 20:51:25,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:25,702 INFO L93 Difference]: Finished difference Result 338 states and 378 transitions. [2024-11-07 20:51:25,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 20:51:25,703 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 146 [2024-11-07 20:51:25,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:25,705 INFO L225 Difference]: With dead ends: 338 [2024-11-07 20:51:25,705 INFO L226 Difference]: Without dead ends: 337 [2024-11-07 20:51:25,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=248, Invalid=402, Unknown=0, NotChecked=0, Total=650 [2024-11-07 20:51:25,707 INFO L432 NwaCegarLoop]: 45 mSDtfsCounter, 182 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:25,707 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 335 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:51:25,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-11-07 20:51:25,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 299. [2024-11-07 20:51:25,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 265 states have (on average 1.0641509433962264) internal successors, (282), 271 states have internal predecessors, (282), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-07 20:51:25,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 332 transitions. [2024-11-07 20:51:25,728 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 332 transitions. Word has length 146 [2024-11-07 20:51:25,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:25,728 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 332 transitions. [2024-11-07 20:51:25,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 16.0) internal successors, (304), 20 states have internal predecessors, (304), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2024-11-07 20:51:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 332 transitions. [2024-11-07 20:51:25,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-07 20:51:25,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:25,730 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1] [2024-11-07 20:51:25,746 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 20:51:25,930 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:25,931 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:25,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:25,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1615306330, now seen corresponding path program 2 times [2024-11-07 20:51:25,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:25,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571914786] [2024-11-07 20:51:25,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:25,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:51:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 20:51:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:51:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:51:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:51:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 20:51:26,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:51:26,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:26,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571914786] [2024-11-07 20:51:26,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571914786] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:26,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711205136] [2024-11-07 20:51:26,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:51:26,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:26,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:26,166 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 20:51:26,168 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 20:51:26,236 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:51:26,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:26,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:51:26,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:26,637 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:51:26,638 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:26,930 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-07 20:51:26,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711205136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:26,931 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:26,931 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 21 [2024-11-07 20:51:26,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396148372] [2024-11-07 20:51:26,931 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:26,931 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-07 20:51:26,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:26,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-07 20:51:26,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=297, Unknown=0, NotChecked=0, Total=462 [2024-11-07 20:51:26,934 INFO L87 Difference]: Start difference. First operand 299 states and 332 transitions. Second operand has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-07 20:51:27,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:27,406 INFO L93 Difference]: Finished difference Result 379 states and 420 transitions. [2024-11-07 20:51:27,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 20:51:27,407 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) Word has length 174 [2024-11-07 20:51:27,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:27,408 INFO L225 Difference]: With dead ends: 379 [2024-11-07 20:51:27,409 INFO L226 Difference]: Without dead ends: 355 [2024-11-07 20:51:27,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=551, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:51:27,410 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 281 mSDsluCounter, 460 mSDsCounter, 0 mSdLazyCounter, 391 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 284 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:27,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [284 Valid, 506 Invalid, 429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 391 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:51:27,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-07 20:51:27,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 319. [2024-11-07 20:51:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 283 states have (on average 1.0600706713780919) internal successors, (300), 289 states have internal predecessors, (300), 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 20:51:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 354 transitions. [2024-11-07 20:51:27,427 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 354 transitions. Word has length 174 [2024-11-07 20:51:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:27,427 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 354 transitions. [2024-11-07 20:51:27,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 16.19047619047619) internal successors, (340), 22 states have internal predecessors, (340), 11 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 11 states have call predecessors, (31), 11 states have call successors, (31) [2024-11-07 20:51:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 354 transitions. [2024-11-07 20:51:27,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2024-11-07 20:51:27,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:27,429 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-07 20:51:27,446 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 20:51:27,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:27,630 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:27,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:27,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1470633713, now seen corresponding path program 2 times [2024-11-07 20:51:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:27,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530807247] [2024-11-07 20:51:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:27,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:27,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1122961973] [2024-11-07 20:51:27,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:51:27,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:27,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:27,667 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 20:51:27,668 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 20:51:27,746 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:51:27,746 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:27,748 INFO L255 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:51:27,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:27,960 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 20:51:27,960 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-07 20:51:28,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:28,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530807247] [2024-11-07 20:51:28,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:28,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122961973] [2024-11-07 20:51:28,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122961973] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:28,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:51:28,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:51:28,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737132501] [2024-11-07 20:51:28,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:28,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:51:28,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:28,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:51:28,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:51:28,319 INFO L87 Difference]: Start difference. First operand 319 states and 354 transitions. Second operand has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-07 20:51:28,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:28,892 INFO L93 Difference]: Finished difference Result 512 states and 565 transitions. [2024-11-07 20:51:28,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:51:28,892 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) Word has length 213 [2024-11-07 20:51:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:28,894 INFO L225 Difference]: With dead ends: 512 [2024-11-07 20:51:28,894 INFO L226 Difference]: Without dead ends: 510 [2024-11-07 20:51:28,895 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 428 GetRequests, 414 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:51:28,895 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 348 mSDsluCounter, 713 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 864 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:28,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [356 Valid, 864 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:51:28,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2024-11-07 20:51:28,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 433. [2024-11-07 20:51:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 388 states have (on average 1.059278350515464) internal successors, (411), 394 states have internal predecessors, (411), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 20:51:28,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 483 transitions. [2024-11-07 20:51:28,922 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 483 transitions. Word has length 213 [2024-11-07 20:51:28,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:28,923 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 483 transitions. [2024-11-07 20:51:28,923 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.09090909090909) internal successors, (298), 12 states have internal predecessors, (298), 10 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 10 states have call predecessors, (26), 10 states have call successors, (26) [2024-11-07 20:51:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 483 transitions. [2024-11-07 20:51:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-07 20:51:28,925 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:28,925 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1] [2024-11-07 20:51:28,942 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 20:51:29,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:29,126 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:29,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:29,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2136990639, now seen corresponding path program 2 times [2024-11-07 20:51:29,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:29,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529834508] [2024-11-07 20:51:29,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:29,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:29,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1232008671] [2024-11-07 20:51:29,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:51:29,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:29,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:29,161 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 20:51:29,163 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 20:51:29,283 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:51:29,284 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:29,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:51:29,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:51:29,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:29,807 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 0 proven. 288 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-07 20:51:29,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:29,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529834508] [2024-11-07 20:51:29,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:29,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232008671] [2024-11-07 20:51:29,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232008671] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:29,808 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:51:29,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:51:29,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957575278] [2024-11-07 20:51:29,808 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:29,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:51:29,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:29,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:51:29,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:51:29,810 INFO L87 Difference]: Start difference. First operand 433 states and 483 transitions. Second operand has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-07 20:51:30,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:30,260 INFO L93 Difference]: Finished difference Result 505 states and 563 transitions. [2024-11-07 20:51:30,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:51:30,260 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) Word has length 220 [2024-11-07 20:51:30,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:30,263 INFO L225 Difference]: With dead ends: 505 [2024-11-07 20:51:30,263 INFO L226 Difference]: Without dead ends: 461 [2024-11-07 20:51:30,264 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2024-11-07 20:51:30,265 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 344 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:30,265 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 866 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:51:30,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2024-11-07 20:51:30,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 425. [2024-11-07 20:51:30,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 386 states have internal predecessors, (395), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 20:51:30,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 467 transitions. [2024-11-07 20:51:30,289 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 467 transitions. Word has length 220 [2024-11-07 20:51:30,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:30,290 INFO L471 AbstractCegarLoop]: Abstraction has 425 states and 467 transitions. [2024-11-07 20:51:30,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 27.454545454545453) internal successors, (302), 12 states have internal predecessors, (302), 10 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 10 states have call predecessors, (28), 10 states have call successors, (28) [2024-11-07 20:51:30,290 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 467 transitions. [2024-11-07 20:51:30,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2024-11-07 20:51:30,293 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:30,293 INFO L215 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 1, 1, 1] [2024-11-07 20:51:30,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-07 20:51:30,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:30,494 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:30,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:30,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1242628369, now seen corresponding path program 2 times [2024-11-07 20:51:30,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:30,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319255491] [2024-11-07 20:51:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:30,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:31,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:51:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 20:51:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:51:31,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:51:31,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:51:31,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 20:51:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 20:51:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 20:51:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 20:51:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:51:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 20:51:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 20:51:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 20:51:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 20:51:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 20:51:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-07 20:51:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:31,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-11-07 20:51:31,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:31,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319255491] [2024-11-07 20:51:31,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319255491] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:31,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408114117] [2024-11-07 20:51:31,115 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-07 20:51:31,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:31,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:31,117 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 20:51:31,119 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 20:51:31,213 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-07 20:51:31,213 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:31,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 512 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:51:31,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:31,556 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 36 proven. 36 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-07 20:51:31,557 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:31,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked. [2024-11-07 20:51:31,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408114117] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:51:31,895 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:51:31,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 23 [2024-11-07 20:51:31,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141020803] [2024-11-07 20:51:31,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:31,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:51:31,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:31,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:51:31,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-11-07 20:51:31,897 INFO L87 Difference]: Start difference. First operand 425 states and 467 transitions. Second operand has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-07 20:51:33,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:33,289 INFO L93 Difference]: Finished difference Result 441 states and 485 transitions. [2024-11-07 20:51:33,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-11-07 20:51:33,290 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) Word has length 338 [2024-11-07 20:51:33,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:33,292 INFO L225 Difference]: With dead ends: 441 [2024-11-07 20:51:33,292 INFO L226 Difference]: Without dead ends: 440 [2024-11-07 20:51:33,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 765 GetRequests, 709 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=511, Invalid=2795, Unknown=0, NotChecked=0, Total=3306 [2024-11-07 20:51:33,293 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 524 mSDsluCounter, 2001 mSDsCounter, 0 mSdLazyCounter, 1982 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 524 SdHoareTripleChecker+Valid, 2177 SdHoareTripleChecker+Invalid, 2071 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 1982 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:33,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [524 Valid, 2177 Invalid, 2071 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 1982 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-07 20:51:33,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2024-11-07 20:51:33,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 424. [2024-11-07 20:51:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 424 states, 380 states have (on average 1.0289473684210526) internal successors, (391), 385 states have internal predecessors, (391), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-07 20:51:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 463 transitions. [2024-11-07 20:51:33,326 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 463 transitions. Word has length 338 [2024-11-07 20:51:33,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:33,327 INFO L471 AbstractCegarLoop]: Abstraction has 424 states and 463 transitions. [2024-11-07 20:51:33,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 14.26086956521739) internal successors, (328), 24 states have internal predecessors, (328), 11 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 11 states have call predecessors, (29), 11 states have call successors, (29) [2024-11-07 20:51:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 463 transitions. [2024-11-07 20:51:33,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2024-11-07 20:51:33,333 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:33,333 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1] [2024-11-07 20:51:33,351 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 20:51:33,534 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,SelfDestructingSolverStorable22 [2024-11-07 20:51:33,534 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:33,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:33,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1017956802, now seen corresponding path program 3 times [2024-11-07 20:51:33,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:33,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143339218] [2024-11-07 20:51:33,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:33,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 20:51:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 20:51:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 20:51:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 20:51:34,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 20:51:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-07 20:51:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 20:51:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-07 20:51:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-07 20:51:34,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-07 20:51:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-07 20:51:34,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-07 20:51:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2024-11-07 20:51:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2024-11-07 20:51:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2024-11-07 20:51:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2024-11-07 20:51:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2024-11-07 20:51:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2024-11-07 20:51:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2024-11-07 20:51:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-11-07 20:51:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-11-07 20:51:34,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2024-11-07 20:51:34,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2024-11-07 20:51:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:51:34,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 0 proven. 896 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-11-07 20:51:34,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:34,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143339218] [2024-11-07 20:51:34,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143339218] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:34,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922550342] [2024-11-07 20:51:34,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:51:34,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:34,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:34,255 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 20:51:34,257 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 20:51:34,313 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:51:34,313 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:34,314 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-07 20:51:34,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:34,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1908 backedges. 126 proven. 176 refuted. 0 times theorem prover too weak. 1606 trivial. 0 not checked. [2024-11-07 20:51:34,805 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:35,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922550342] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:35,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:51:35,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 23 [2024-11-07 20:51:35,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041027754] [2024-11-07 20:51:35,563 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:35,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-07 20:51:35,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:35,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-07 20:51:35,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-07 20:51:35,565 INFO L87 Difference]: Start difference. First operand 424 states and 463 transitions. Second operand has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-07 20:51:40,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:40,152 INFO L93 Difference]: Finished difference Result 426 states and 465 transitions. [2024-11-07 20:51:40,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-07 20:51:40,153 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) Word has length 366 [2024-11-07 20:51:40,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:40,156 INFO L225 Difference]: With dead ends: 426 [2024-11-07 20:51:40,156 INFO L226 Difference]: Without dead ends: 408 [2024-11-07 20:51:40,158 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 435 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1242 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=964, Invalid=4586, Unknown=0, NotChecked=0, Total=5550 [2024-11-07 20:51:40,159 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 557 mSDsluCounter, 1181 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 557 SdHoareTripleChecker+Valid, 1265 SdHoareTripleChecker+Invalid, 3201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:40,159 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [557 Valid, 1265 Invalid, 3201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-07 20:51:40,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-11-07 20:51:40,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 406. [2024-11-07 20:51:40,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 366 states have (on average 1.010928961748634) internal successors, (370), 369 states have internal predecessors, (370), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 20:51:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 438 transitions. [2024-11-07 20:51:40,182 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 438 transitions. Word has length 366 [2024-11-07 20:51:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:40,184 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 438 transitions. [2024-11-07 20:51:40,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 13.73913043478261) internal successors, (316), 24 states have internal predecessors, (316), 11 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 11 states have call predecessors, (28), 11 states have call successors, (28) [2024-11-07 20:51:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 438 transitions. [2024-11-07 20:51:40,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 502 [2024-11-07 20:51:40,194 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:40,194 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-07 20:51:40,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-07 20:51:40,395 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,SelfDestructingSolverStorable23 [2024-11-07 20:51:40,395 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:40,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:40,396 INFO L85 PathProgramCache]: Analyzing trace with hash 971010651, now seen corresponding path program 3 times [2024-11-07 20:51:40,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:40,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390065664] [2024-11-07 20:51:40,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:40,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:40,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [355149468] [2024-11-07 20:51:40,486 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:51:40,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:40,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:40,489 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 20:51:40,491 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 20:51:40,562 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-07 20:51:40,562 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:40,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-07 20:51:40,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:40,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 3243 trivial. 0 not checked. [2024-11-07 20:51:40,799 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:51:40,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:40,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390065664] [2024-11-07 20:51:40,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:40,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [355149468] [2024-11-07 20:51:40,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [355149468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:51:40,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:51:40,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 20:51:40,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657210455] [2024-11-07 20:51:40,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:51:40,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:51:40,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:40,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:51:40,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:51:40,801 INFO L87 Difference]: Start difference. First operand 406 states and 438 transitions. Second operand has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:51:41,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:41,277 INFO L93 Difference]: Finished difference Result 408 states and 440 transitions. [2024-11-07 20:51:41,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:51:41,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) Word has length 501 [2024-11-07 20:51:41,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:41,279 INFO L225 Difference]: With dead ends: 408 [2024-11-07 20:51:41,279 INFO L226 Difference]: Without dead ends: 406 [2024-11-07 20:51:41,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:51:41,280 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 113 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:41,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 87 Invalid, 240 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-07 20:51:41,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-07 20:51:41,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 404. [2024-11-07 20:51:41,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 366 states have (on average 1.005464480874317) internal successors, (368), 367 states have internal predecessors, (368), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 20:51:41,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 436 transitions. [2024-11-07 20:51:41,312 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 436 transitions. Word has length 501 [2024-11-07 20:51:41,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:41,313 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 436 transitions. [2024-11-07 20:51:41,313 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.857142857142858) internal successors, (62), 8 states have internal predecessors, (62), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (5), 3 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-07 20:51:41,314 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 436 transitions. [2024-11-07 20:51:41,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2024-11-07 20:51:41,316 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:51:41,317 INFO L215 NwaCegarLoop]: trace histogram [32, 32, 32, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 1, 1, 1] [2024-11-07 20:51:41,333 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 20:51:41,517 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:41,517 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 49 more)] === [2024-11-07 20:51:41,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:51:41,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1033368999, now seen corresponding path program 3 times [2024-11-07 20:51:41,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:51:41,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216038343] [2024-11-07 20:51:41,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:51:41,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:51:41,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:51:41,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [278423753] [2024-11-07 20:51:41,601 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-07 20:51:41,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:41,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:51:41,603 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 20:51:41,605 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 20:51:41,710 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-07 20:51:41,710 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-07 20:51:41,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-07 20:51:41,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:51:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 180 proven. 234 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2024-11-07 20:51:42,146 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:51:51,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:51:51,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216038343] [2024-11-07 20:51:51,858 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:51:51,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278423753] [2024-11-07 20:51:51,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278423753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:51:51,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:51:51,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:51:51,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392886117] [2024-11-07 20:51:51,858 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:51:51,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:51:51,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:51:51,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:51:51,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=192, Unknown=1, NotChecked=0, Total=240 [2024-11-07 20:51:51,860 INFO L87 Difference]: Start difference. First operand 404 states and 436 transitions. Second operand has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:51:52,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:51:52,389 INFO L93 Difference]: Finished difference Result 406 states and 438 transitions. [2024-11-07 20:51:52,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-07 20:51:52,389 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 508 [2024-11-07 20:51:52,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:51:52,390 INFO L225 Difference]: With dead ends: 406 [2024-11-07 20:51:52,390 INFO L226 Difference]: Without dead ends: 0 [2024-11-07 20:51:52,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=124, Invalid=381, Unknown=1, NotChecked=0, Total=506 [2024-11-07 20:51:52,391 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 165 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:51:52,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 99 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:51:52,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-07 20:51:52,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-07 20:51:52,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-07 20:51:52,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-07 20:51:52,391 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 508 [2024-11-07 20:51:52,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:51:52,392 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-07 20:51:52,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 8.0) internal successors, (64), 9 states have internal predecessors, (64), 3 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-07 20:51:52,392 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-07 20:51:52,392 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 52 remaining) [2024-11-07 20:51:52,394 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 52 remaining) [2024-11-07 20:51:52,395 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 52 remaining) [2024-11-07 20:51:52,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 52 remaining) [2024-11-07 20:51:52,397 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 52 remaining) [2024-11-07 20:51:52,398 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 52 remaining) [2024-11-07 20:51:52,405 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-07 20:51:52,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:51:52,605 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:51:52,607 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-07 20:51:56,154 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 20:51:56,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 08:51:56 BoogieIcfgContainer [2024-11-07 20:51:56,175 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 20:51:56,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 20:51:56,175 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 20:51:56,175 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 20:51:56,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:51:16" (3/4) ... [2024-11-07 20:51:56,177 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 20:51:56,182 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-07 20:51:56,187 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-07 20:51:56,187 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-07 20:51:56,187 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-07 20:51:56,187 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 20:51:56,261 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 20:51:56,261 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 20:51:56,261 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 20:51:56,264 INFO L158 Benchmark]: Toolchain (without parser) took 40874.54ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 92.3MB in the beginning and 274.8MB in the end (delta: -182.5MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-07 20:51:56,264 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:51:56,264 INFO L158 Benchmark]: CACSL2BoogieTranslator took 197.60ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:51:56,264 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.88ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:51:56,264 INFO L158 Benchmark]: Boogie Preprocessor took 47.71ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 20:51:56,264 INFO L158 Benchmark]: RCFGBuilder took 405.85ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 60.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 20:51:56,265 INFO L158 Benchmark]: TraceAbstraction took 40097.05ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 60.1MB in the beginning and 278.8MB in the end (delta: -218.6MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. [2024-11-07 20:51:56,265 INFO L158 Benchmark]: Witness Printer took 86.48ms. Allocated memory is still 335.5MB. Free memory was 278.8MB in the beginning and 274.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 20:51:56,266 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 197.60ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 81.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.88ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.71ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 405.85ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 60.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 40097.05ms. Allocated memory was 117.4MB in the beginning and 335.5MB in the end (delta: 218.1MB). Free memory was 60.1MB in the beginning and 278.8MB in the end (delta: -218.6MB). Peak memory consumption was 168.8MB. Max. memory is 16.1GB. * Witness Printer took 86.48ms. Allocated memory is still 335.5MB. Free memory was 278.8MB in the beginning and 274.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 125 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 36.5s, OverallIterations: 26, TraceHistogramMax: 32, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4240 SdHoareTripleChecker+Valid, 6.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4166 mSDsluCounter, 10407 SdHoareTripleChecker+Invalid, 5.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 7941 mSDsCounter, 570 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9131 IncrementalHoareTripleChecker+Invalid, 9701 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 570 mSolverCounterUnsat, 2466 mSDtfsCounter, 9131 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4941 GetRequests, 4632 SyntacticMatches, 0 SemanticMatches, 309 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2471 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=433occurred in iteration=21, InterpolantAutomatonStates: 242, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 26 MinimizatonAttempts, 653 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 19.3s InterpolantComputationTime, 6292 NumberOfCodeBlocks, 5093 NumberOfCodeBlocksAsserted, 51 NumberOfCheckSat, 6078 ConstructedInterpolants, 4 QuantifiedInterpolants, 24927 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3120 ConjunctsInSsa, 130 ConjunctsInUnsatCore, 46 InterpolantComputations, 14 PerfectInterpolantSequences, 16894/21251 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 52 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((n <= 2147483647) && (counter <= 50)) && (0 <= counter)) && (3 <= t)) && (1 <= a)) && (a <= 4611686018427387903)) && (s <= ((__int128) 2147483647 + t))) && (((__int128) s * 4) == ((((__int128) t * t) + ((__int128) 2 * t)) + 1))) || (((((n <= 2147483647) && (t == 1)) && (counter == 0)) && (a == 0)) && (s == 1))) - ProcedureContractResult [Line: 11]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (((cond != 0) || (counter < 0)) && (counter == \old(counter))) RESULT: Ultimate proved your program to be correct! [2024-11-07 20:51:56,299 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE