./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.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/ps6-ll_unwindbound2.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', 'd04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba'] 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/ps6-ll_unwindbound2.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 d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 20:49:33,115 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 20:49:33,208 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 20:49:33,214 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 20:49:33,214 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 20:49:33,239 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 20:49:33,240 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 20:49:33,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 20:49:33,242 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 20:49:33,242 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 20:49:33,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 20:49:33,242 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 20:49:33,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 20:49:33,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 20:49:33,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 20:49:33,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 20:49:33,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:49:33,244 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 20:49:33,245 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 20:49:33,245 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 -> d04c68f644b4e34369c0299cad48e6ffd2dffe6006909b97954ecd16248ddfba [2024-11-07 20:49:33,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 20:49:33,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 20:49:33,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 20:49:33,509 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 20:49:33,510 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 20:49:33,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2024-11-07 20:49:34,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 20:49:35,031 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 20:49:35,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_unwindbound2.c [2024-11-07 20:49:35,039 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2dcfc74a1/fdf076b54af5494a8f4be45d5f94c9d0/FLAGc49f0d28d [2024-11-07 20:49:35,058 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2dcfc74a1/fdf076b54af5494a8f4be45d5f94c9d0 [2024-11-07 20:49:35,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 20:49:35,064 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 20:49:35,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 20:49:35,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 20:49:35,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 20:49:35,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2955abdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35, skipping insertion in model container [2024-11-07 20:49:35,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 20:49:35,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:49:35,248 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 20:49:35,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 20:49:35,294 INFO L204 MainTranslator]: Completed translation [2024-11-07 20:49:35,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35 WrapperNode [2024-11-07 20:49:35,295 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 20:49:35,297 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 20:49:35,297 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 20:49:35,297 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 20:49:35,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,308 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,345 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 153 [2024-11-07 20:49:35,349 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 20:49:35,350 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 20:49:35,350 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 20:49:35,350 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 20:49:35,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,373 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 20:49:35,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,380 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,382 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,388 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,394 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 20:49:35,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 20:49:35,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 20:49:35,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 20:49:35,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (1/1) ... [2024-11-07 20:49:35,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 20:49:35,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:35,429 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 20:49:35,435 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 20:49:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 20:49:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 20:49:35,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 20:49:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 20:49:35,455 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 20:49:35,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 20:49:35,509 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 20:49:35,511 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 20:49:36,075 INFO L? ?]: Removed 94 outVars from TransFormulas that were not future-live. [2024-11-07 20:49:36,075 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 20:49:36,099 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 20:49:36,099 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 20:49:36,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:49:36 BoogieIcfgContainer [2024-11-07 20:49:36,099 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 20:49:36,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 20:49:36,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 20:49:36,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 20:49:36,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 08:49:35" (1/3) ... [2024-11-07 20:49:36,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bd5a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:49:36, skipping insertion in model container [2024-11-07 20:49:36,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 08:49:35" (2/3) ... [2024-11-07 20:49:36,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53bd5a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 08:49:36, skipping insertion in model container [2024-11-07 20:49:36,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 08:49:36" (3/3) ... [2024-11-07 20:49:36,110 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_unwindbound2.c [2024-11-07 20:49:36,124 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 20:49:36,124 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 104 error locations. [2024-11-07 20:49:36,181 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 20:49:36,189 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;@7e2dae7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 20:49:36,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 104 error locations. [2024-11-07 20:49:36,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:49:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:49:36,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:36,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:49:36,200 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:36,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:36,203 INFO L85 PathProgramCache]: Analyzing trace with hash 889508776, now seen corresponding path program 1 times [2024-11-07 20:49:36,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:36,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773645391] [2024-11-07 20:49:36,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:36,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:36,302 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 20:49:36,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:36,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773645391] [2024-11-07 20:49:36,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773645391] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:36,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:36,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:36,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532589563] [2024-11-07 20:49:36,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:36,312 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 20:49:36,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:36,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 20:49:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 20:49:36,334 INFO L87 Difference]: Start difference. First operand has 228 states, 119 states have (on average 1.915966386554622) internal successors, (228), 223 states have internal predecessors, (228), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:49:36,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:36,365 INFO L93 Difference]: Finished difference Result 427 states and 466 transitions. [2024-11-07 20:49:36,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 20:49:36,367 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2024-11-07 20:49:36,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:36,374 INFO L225 Difference]: With dead ends: 427 [2024-11-07 20:49:36,374 INFO L226 Difference]: Without dead ends: 196 [2024-11-07 20:49:36,377 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 20:49:36,381 INFO L432 NwaCegarLoop]: 205 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, 205 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 20:49:36,382 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:36,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-07 20:49:36,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-07 20:49:36,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 114 states have (on average 1.7017543859649122) internal successors, (194), 192 states have internal predecessors, (194), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:49:36,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2024-11-07 20:49:36,433 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 6 [2024-11-07 20:49:36,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:36,434 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2024-11-07 20:49:36,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 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 20:49:36,434 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2024-11-07 20:49:36,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-07 20:49:36,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:36,435 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-07 20:49:36,436 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 20:49:36,436 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:36,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:36,436 INFO L85 PathProgramCache]: Analyzing trace with hash 889568358, now seen corresponding path program 1 times [2024-11-07 20:49:36,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:36,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240850305] [2024-11-07 20:49:36,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:36,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:36,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:36,534 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 20:49:36,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:36,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240850305] [2024-11-07 20:49:36,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240850305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:36,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:36,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:36,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825268771] [2024-11-07 20:49:36,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:36,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:36,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:36,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:36,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:36,536 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:49:36,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:36,596 INFO L93 Difference]: Finished difference Result 196 states and 198 transitions. [2024-11-07 20:49:36,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:49:36,597 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-11-07 20:49:36,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:36,598 INFO L225 Difference]: With dead ends: 196 [2024-11-07 20:49:36,598 INFO L226 Difference]: Without dead ends: 195 [2024-11-07 20:49:36,599 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 20:49:36,599 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 194 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 381 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 20:49:36,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 381 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:36,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2024-11-07 20:49:36,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2024-11-07 20:49:36,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 114 states have (on average 1.6929824561403508) internal successors, (193), 191 states have internal predecessors, (193), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:49:36,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 197 transitions. [2024-11-07 20:49:36,620 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 197 transitions. Word has length 6 [2024-11-07 20:49:36,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:36,620 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 197 transitions. [2024-11-07 20:49:36,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 20:49:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 197 transitions. [2024-11-07 20:49:36,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-07 20:49:36,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:36,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:49:36,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 20:49:36,621 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:36,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:36,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815370, now seen corresponding path program 1 times [2024-11-07 20:49:36,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:36,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023394685] [2024-11-07 20:49:36,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:36,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:36,686 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 20:49:36,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:36,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023394685] [2024-11-07 20:49:36,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023394685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:36,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:36,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:36,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778024211] [2024-11-07 20:49:36,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:36,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:36,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:36,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:36,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:36,690 INFO L87 Difference]: Start difference. First operand 195 states and 197 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) 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 20:49:36,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:36,728 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2024-11-07 20:49:36,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:49:36,729 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 20:49:36,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:36,731 INFO L225 Difference]: With dead ends: 285 [2024-11-07 20:49:36,731 INFO L226 Difference]: Without dead ends: 199 [2024-11-07 20:49:36,731 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 20:49:36,732 INFO L432 NwaCegarLoop]: 193 mSDtfsCounter, 3 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 573 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 20:49:36,732 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 573 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:36,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-07 20:49:36,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2024-11-07 20:49:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 118 states have (on average 1.6694915254237288) internal successors, (197), 195 states have internal predecessors, (197), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:49:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2024-11-07 20:49:36,743 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 201 transitions. Word has length 7 [2024-11-07 20:49:36,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:36,744 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 201 transitions. [2024-11-07 20:49:36,744 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) 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 20:49:36,744 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 201 transitions. [2024-11-07 20:49:36,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 20:49:36,744 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:36,744 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:49:36,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 20:49:36,745 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:36,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:36,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1182784684, now seen corresponding path program 1 times [2024-11-07 20:49:36,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:36,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604552026] [2024-11-07 20:49:36,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:36,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:36,783 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 20:49:36,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:36,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604552026] [2024-11-07 20:49:36,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604552026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:36,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:36,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:36,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795853575] [2024-11-07 20:49:36,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:36,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:49:36,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:36,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:49:36,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:49:36,785 INFO L87 Difference]: Start difference. First operand 199 states and 201 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:49:37,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:37,263 INFO L93 Difference]: Finished difference Result 359 states and 367 transitions. [2024-11-07 20:49:37,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:49:37,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 9 [2024-11-07 20:49:37,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:37,268 INFO L225 Difference]: With dead ends: 359 [2024-11-07 20:49:37,268 INFO L226 Difference]: Without dead ends: 295 [2024-11-07 20:49:37,269 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 20:49:37,269 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 98 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:37,270 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 141 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:49:37,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-07 20:49:37,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 289. [2024-11-07 20:49:37,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 207 states have (on average 1.429951690821256) internal successors, (296), 284 states have internal predecessors, (296), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:49:37,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 302 transitions. [2024-11-07 20:49:37,288 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 302 transitions. Word has length 9 [2024-11-07 20:49:37,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:37,289 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 302 transitions. [2024-11-07 20:49:37,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 20:49:37,289 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 302 transitions. [2024-11-07 20:49:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 20:49:37,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:37,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:37,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 20:49:37,290 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:37,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:37,291 INFO L85 PathProgramCache]: Analyzing trace with hash 1158660914, now seen corresponding path program 1 times [2024-11-07 20:49:37,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:37,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137461997] [2024-11-07 20:49:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:37,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:37,392 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 20:49:37,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:37,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137461997] [2024-11-07 20:49:37,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137461997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:37,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:37,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:37,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354590482] [2024-11-07 20:49:37,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:37,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:49:37,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:37,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:49:37,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:49:37,393 INFO L87 Difference]: Start difference. First operand 289 states and 302 transitions. Second operand has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 20:49:37,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:37,460 INFO L93 Difference]: Finished difference Result 313 states and 320 transitions. [2024-11-07 20:49:37,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:49:37,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 47 [2024-11-07 20:49:37,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:37,462 INFO L225 Difference]: With dead ends: 313 [2024-11-07 20:49:37,462 INFO L226 Difference]: Without dead ends: 306 [2024-11-07 20:49:37,463 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 20:49:37,464 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 68 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:37,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 359 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-07 20:49:37,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2024-11-07 20:49:37,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 288. [2024-11-07 20:49:37,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 206 states have (on average 1.4029126213592233) internal successors, (289), 283 states have internal predecessors, (289), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:49:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 295 transitions. [2024-11-07 20:49:37,479 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 295 transitions. Word has length 47 [2024-11-07 20:49:37,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:37,479 INFO L471 AbstractCegarLoop]: Abstraction has 288 states and 295 transitions. [2024-11-07 20:49:37,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.5) internal successors, (47), 3 states have internal predecessors, (47), 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 20:49:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 295 transitions. [2024-11-07 20:49:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-07 20:49:37,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:37,482 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:37,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 20:49:37,482 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:37,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:37,482 INFO L85 PathProgramCache]: Analyzing trace with hash 1076612948, now seen corresponding path program 1 times [2024-11-07 20:49:37,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712826737] [2024-11-07 20:49:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:37,642 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 20:49:37,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:37,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712826737] [2024-11-07 20:49:37,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712826737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:37,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:37,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:49:37,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226135768] [2024-11-07 20:49:37,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:37,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:37,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:37,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:37,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:37,645 INFO L87 Difference]: Start difference. First operand 288 states and 295 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 20:49:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:37,838 INFO L93 Difference]: Finished difference Result 308 states and 313 transitions. [2024-11-07 20:49:37,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:49:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 49 [2024-11-07 20:49:37,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:37,840 INFO L225 Difference]: With dead ends: 308 [2024-11-07 20:49:37,840 INFO L226 Difference]: Without dead ends: 265 [2024-11-07 20:49:37,840 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 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 20:49:37,841 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 154 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:37,841 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 284 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-07 20:49:37,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-07 20:49:37,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 247. [2024-11-07 20:49:37,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.490909090909091) internal successors, (246), 242 states have internal predecessors, (246), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:49:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 252 transitions. [2024-11-07 20:49:37,853 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 252 transitions. Word has length 49 [2024-11-07 20:49:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:37,854 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 252 transitions. [2024-11-07 20:49:37,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 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 20:49:37,854 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 252 transitions. [2024-11-07 20:49:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-07 20:49:37,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:37,855 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:37,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 20:49:37,856 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:37,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:37,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1058568341, now seen corresponding path program 1 times [2024-11-07 20:49:37,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:37,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690305998] [2024-11-07 20:49:37,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:37,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:37,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:49:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:38,002 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 20:49:38,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:38,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690305998] [2024-11-07 20:49:38,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690305998] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:38,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:38,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-07 20:49:38,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225429184] [2024-11-07 20:49:38,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:38,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 20:49:38,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 20:49:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 20:49:38,007 INFO L87 Difference]: Start difference. First operand 247 states and 252 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:38,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:38,031 INFO L93 Difference]: Finished difference Result 249 states and 252 transitions. [2024-11-07 20:49:38,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:49:38,031 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 57 [2024-11-07 20:49:38,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:38,034 INFO L225 Difference]: With dead ends: 249 [2024-11-07 20:49:38,034 INFO L226 Difference]: Without dead ends: 247 [2024-11-07 20:49:38,035 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 20:49:38,036 INFO L432 NwaCegarLoop]: 194 mSDtfsCounter, 1 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 383 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 20:49:38,036 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 383 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:38,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-07 20:49:38,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2024-11-07 20:49:38,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 165 states have (on average 1.4787878787878788) internal successors, (244), 242 states have internal predecessors, (244), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:49:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 250 transitions. [2024-11-07 20:49:38,049 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 250 transitions. Word has length 57 [2024-11-07 20:49:38,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:38,050 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 250 transitions. [2024-11-07 20:49:38,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 250 transitions. [2024-11-07 20:49:38,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 20:49:38,053 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:38,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:38,053 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 20:49:38,053 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:38,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:38,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1007821026, now seen corresponding path program 1 times [2024-11-07 20:49:38,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:38,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599111735] [2024-11-07 20:49:38,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:38,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:49:38,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [499086597] [2024-11-07 20:49:38,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:38,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:38,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:38,093 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 20:49:38,095 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 20:49:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:38,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:49:38,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:49:38,293 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 20:49:38,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:49:38,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:38,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599111735] [2024-11-07 20:49:38,295 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:49:38,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [499086597] [2024-11-07 20:49:38,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [499086597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:38,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:38,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:49:38,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883434054] [2024-11-07 20:49:38,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:38,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:38,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:38,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:38,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:38,297 INFO L87 Difference]: Start difference. First operand 247 states and 250 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:38,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:38,774 INFO L93 Difference]: Finished difference Result 426 states and 440 transitions. [2024-11-07 20:49:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:49:38,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 62 [2024-11-07 20:49:38,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:38,776 INFO L225 Difference]: With dead ends: 426 [2024-11-07 20:49:38,776 INFO L226 Difference]: Without dead ends: 361 [2024-11-07 20:49:38,776 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 59 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 20:49:38,776 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 113 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:38,777 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 162 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-07 20:49:38,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-11-07 20:49:38,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 354. [2024-11-07 20:49:38,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3518518518518519) internal successors, (365), 347 states have internal predecessors, (365), 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 20:49:38,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 375 transitions. [2024-11-07 20:49:38,786 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 375 transitions. Word has length 62 [2024-11-07 20:49:38,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:38,787 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 375 transitions. [2024-11-07 20:49:38,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:38,787 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 375 transitions. [2024-11-07 20:49:38,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-07 20:49:38,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:38,788 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:38,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 20:49:38,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:38,989 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:38,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:38,989 INFO L85 PathProgramCache]: Analyzing trace with hash -809386143, now seen corresponding path program 1 times [2024-11-07 20:49:38,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:38,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482337597] [2024-11-07 20:49:38,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:38,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:49:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,135 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 20:49:39,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:39,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482337597] [2024-11-07 20:49:39,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482337597] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:39,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:39,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:49:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531586788] [2024-11-07 20:49:39,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:39,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:39,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:39,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:39,141 INFO L87 Difference]: Start difference. First operand 354 states and 375 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:39,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:39,472 INFO L93 Difference]: Finished difference Result 355 states and 375 transitions. [2024-11-07 20:49:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 20:49:39,473 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 69 [2024-11-07 20:49:39,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:39,474 INFO L225 Difference]: With dead ends: 355 [2024-11-07 20:49:39,474 INFO L226 Difference]: Without dead ends: 354 [2024-11-07 20:49:39,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 20:49:39,475 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 57 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:39,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 338 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:49:39,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-07 20:49:39,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-07 20:49:39,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.348148148148148) internal successors, (364), 347 states have internal predecessors, (364), 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 20:49:39,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 374 transitions. [2024-11-07 20:49:39,485 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 374 transitions. Word has length 69 [2024-11-07 20:49:39,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:39,485 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 374 transitions. [2024-11-07 20:49:39,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:39,485 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 374 transitions. [2024-11-07 20:49:39,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-07 20:49:39,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:39,487 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:39,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 20:49:39,488 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:39,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:39,488 INFO L85 PathProgramCache]: Analyzing trace with hash 678833514, now seen corresponding path program 1 times [2024-11-07 20:49:39,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:39,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554199155] [2024-11-07 20:49:39,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:39,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:39,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:49:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,563 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 20:49:39,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:39,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554199155] [2024-11-07 20:49:39,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554199155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:39,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 20:49:39,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 20:49:39,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015642135] [2024-11-07 20:49:39,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:39,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:39,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:39,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:39,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 20:49:39,564 INFO L87 Difference]: Start difference. First operand 354 states and 374 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:39,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:39,849 INFO L93 Difference]: Finished difference Result 355 states and 374 transitions. [2024-11-07 20:49:39,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:49:39,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 70 [2024-11-07 20:49:39,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:39,851 INFO L225 Difference]: With dead ends: 355 [2024-11-07 20:49:39,851 INFO L226 Difference]: Without dead ends: 354 [2024-11-07 20:49:39,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 20:49:39,852 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 50 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:39,852 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 347 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:49:39,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-07 20:49:39,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 354. [2024-11-07 20:49:39,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 270 states have (on average 1.3444444444444446) internal successors, (363), 347 states have internal predecessors, (363), 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 20:49:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 373 transitions. [2024-11-07 20:49:39,864 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 373 transitions. Word has length 70 [2024-11-07 20:49:39,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:39,864 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 373 transitions. [2024-11-07 20:49:39,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 373 transitions. [2024-11-07 20:49:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-07 20:49:39,865 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:39,865 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:49:39,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 20:49:39,866 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:39,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:39,866 INFO L85 PathProgramCache]: Analyzing trace with hash -1871737532, now seen corresponding path program 1 times [2024-11-07 20:49:39,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:39,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409874540] [2024-11-07 20:49:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:39,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:49:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:39,983 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:39,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:39,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409874540] [2024-11-07 20:49:39,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409874540] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:49:39,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500873147] [2024-11-07 20:49:39,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:39,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:39,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:39,986 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 20:49:39,989 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 20:49:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:40,038 INFO L255 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-07 20:49:40,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:49:40,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:40,152 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:49:40,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500873147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:49:40,152 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:49:40,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-07 20:49:40,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533788762] [2024-11-07 20:49:40,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:40,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:49:40,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:40,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:49:40,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:49:40,155 INFO L87 Difference]: Start difference. First operand 354 states and 373 transitions. Second operand has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:40,203 INFO L93 Difference]: Finished difference Result 484 states and 508 transitions. [2024-11-07 20:49:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:49:40,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 73 [2024-11-07 20:49:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:40,206 INFO L225 Difference]: With dead ends: 484 [2024-11-07 20:49:40,206 INFO L226 Difference]: Without dead ends: 483 [2024-11-07 20:49:40,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:49:40,207 INFO L432 NwaCegarLoop]: 272 mSDtfsCounter, 132 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:40,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 893 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2024-11-07 20:49:40,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 443. [2024-11-07 20:49:40,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 357 states have (on average 1.3529411764705883) internal successors, (483), 435 states have internal predecessors, (483), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:49:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 497 transitions. [2024-11-07 20:49:40,220 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 497 transitions. Word has length 73 [2024-11-07 20:49:40,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:40,222 INFO L471 AbstractCegarLoop]: Abstraction has 443 states and 497 transitions. [2024-11-07 20:49:40,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.75) internal successors, (71), 5 states have internal predecessors, (71), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:40,222 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 497 transitions. [2024-11-07 20:49:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:49:40,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:40,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:49:40,243 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 20:49:40,430 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 20:49:40,431 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:40,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:40,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1637859655, now seen corresponding path program 1 times [2024-11-07 20:49:40,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:40,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759196141] [2024-11-07 20:49:40,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:40,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:40,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:49:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:40,592 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:40,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:40,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759196141] [2024-11-07 20:49:40,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759196141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:49:40,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083541946] [2024-11-07 20:49:40,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:40,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:40,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:40,595 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 20:49:40,596 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 20:49:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:40,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:49:40,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:49:40,771 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:40,773 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:49:40,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:40,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1083541946] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:49:40,893 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:49:40,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 6 [2024-11-07 20:49:40,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784742027] [2024-11-07 20:49:40,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:49:40,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:49:40,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:40,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:49:40,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-07 20:49:40,896 INFO L87 Difference]: Start difference. First operand 443 states and 497 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:49:40,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:40,939 INFO L93 Difference]: Finished difference Result 459 states and 506 transitions. [2024-11-07 20:49:40,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-07 20:49:40,940 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 113 [2024-11-07 20:49:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:40,942 INFO L225 Difference]: With dead ends: 459 [2024-11-07 20:49:40,943 INFO L226 Difference]: Without dead ends: 404 [2024-11-07 20:49:40,944 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 223 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-07 20:49:40,945 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 5 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 947 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:40,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 947 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:49:40,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-07 20:49:40,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-07 20:49:40,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 318 states have (on average 1.380503144654088) internal successors, (439), 395 states have internal predecessors, (439), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:49:40,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 451 transitions. [2024-11-07 20:49:40,958 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 451 transitions. Word has length 113 [2024-11-07 20:49:40,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:40,958 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 451 transitions. [2024-11-07 20:49:40,958 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 1 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-07 20:49:40,959 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 451 transitions. [2024-11-07 20:49:40,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-07 20:49:40,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:40,959 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:49:40,976 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 20:49:41,163 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 20:49:41,163 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:41,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:41,164 INFO L85 PathProgramCache]: Analyzing trace with hash -188695060, now seen corresponding path program 1 times [2024-11-07 20:49:41,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:41,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585296393] [2024-11-07 20:49:41,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:41,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:49:41,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [640571902] [2024-11-07 20:49:41,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:41,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:41,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:41,185 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 20:49:41,187 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 20:49:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:41,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:49:41,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:49:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:41,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:49:41,777 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:41,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:41,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585296393] [2024-11-07 20:49:41,777 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:49:41,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640571902] [2024-11-07 20:49:41,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640571902] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:49:41,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:49:41,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:49:41,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105246898] [2024-11-07 20:49:41,780 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:49:41,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:49:41,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:41,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:49:41,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:49:41,781 INFO L87 Difference]: Start difference. First operand 404 states and 451 transitions. Second operand has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:49:43,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:49:43,028 INFO L93 Difference]: Finished difference Result 428 states and 469 transitions. [2024-11-07 20:49:43,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-07 20:49:43,029 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 113 [2024-11-07 20:49:43,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:49:43,030 INFO L225 Difference]: With dead ends: 428 [2024-11-07 20:49:43,031 INFO L226 Difference]: Without dead ends: 419 [2024-11-07 20:49:43,031 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:49:43,031 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 345 mSDsluCounter, 187 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 345 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-07 20:49:43,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [345 Valid, 273 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1143 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-07 20:49:43,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-07 20:49:43,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 408. [2024-11-07 20:49:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 325 states have (on average 1.3507692307692307) internal successors, (439), 399 states have internal predecessors, (439), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:49:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 451 transitions. [2024-11-07 20:49:43,042 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 451 transitions. Word has length 113 [2024-11-07 20:49:43,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:49:43,043 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 451 transitions. [2024-11-07 20:49:43,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.857142857142858) internal successors, (216), 8 states have internal predecessors, (216), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:49:43,043 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 451 transitions. [2024-11-07 20:49:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-07 20:49:43,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:49:43,044 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 20:49:43,060 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 20:49:43,248 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 20:49:43,249 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:49:43,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:49:43,249 INFO L85 PathProgramCache]: Analyzing trace with hash -947321970, now seen corresponding path program 1 times [2024-11-07 20:49:43,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:49:43,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553647271] [2024-11-07 20:49:43,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:43,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:49:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:49:43,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1890224370] [2024-11-07 20:49:43,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:49:43,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:49:43,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:49:43,277 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 20:49:43,279 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 20:49:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:49:43,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-07 20:49:43,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:49:43,680 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 20:49:43,680 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:49:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-07 20:49:44,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:49:44,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553647271] [2024-11-07 20:49:44,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:49:44,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890224370] [2024-11-07 20:49:44,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890224370] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-07 20:49:44,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:49:44,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-07 20:49:44,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788274724] [2024-11-07 20:49:44,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:49:44,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:49:44,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:49:44,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:49:44,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:49:44,027 INFO L87 Difference]: Start difference. First operand 408 states and 451 transitions. Second operand has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:49:47,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:49:51,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:49:57,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:02,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.58s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:02,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:02,476 INFO L93 Difference]: Finished difference Result 408 states and 451 transitions. [2024-11-07 20:50:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 20:50:02,477 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 115 [2024-11-07 20:50:02,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:02,479 INFO L225 Difference]: With dead ends: 408 [2024-11-07 20:50:02,479 INFO L226 Difference]: Without dead ends: 406 [2024-11-07 20:50:02,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 222 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:50:02,479 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 99 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:02,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 47 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 409 Invalid, 3 Unknown, 0 Unchecked, 18.4s Time] [2024-11-07 20:50:02,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-07 20:50:02,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2024-11-07 20:50:02,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 406 states, 325 states have (on average 1.3353846153846154) internal successors, (434), 397 states have internal predecessors, (434), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:50:02,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 446 transitions. [2024-11-07 20:50:02,492 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 446 transitions. Word has length 115 [2024-11-07 20:50:02,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:02,492 INFO L471 AbstractCegarLoop]: Abstraction has 406 states and 446 transitions. [2024-11-07 20:50:02,492 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-07 20:50:02,492 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 446 transitions. [2024-11-07 20:50:02,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-07 20:50:02,493 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:02,493 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 20:50:02,510 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 20:50:02,697 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 20:50:02,698 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:02,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:02,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1753034033, now seen corresponding path program 1 times [2024-11-07 20:50:02,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:02,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306879303] [2024-11-07 20:50:02,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:02,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:02,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:50:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:50:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:02,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:02,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306879303] [2024-11-07 20:50:02,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306879303] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:50:02,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991719594] [2024-11-07 20:50:02,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:02,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:02,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:02,810 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 20:50:02,812 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 20:50:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:02,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:50:02,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:03,002 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:03,002 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 20:50:03,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991719594] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 20:50:03,003 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:50:03,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-07 20:50:03,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731473496] [2024-11-07 20:50:03,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 20:50:03,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 20:50:03,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:03,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 20:50:03,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 20:50:03,004 INFO L87 Difference]: Start difference. First operand 406 states and 446 transitions. Second operand has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:50:03,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:03,031 INFO L93 Difference]: Finished difference Result 442 states and 452 transitions. [2024-11-07 20:50:03,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 20:50:03,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 123 [2024-11-07 20:50:03,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:03,033 INFO L225 Difference]: With dead ends: 442 [2024-11-07 20:50:03,033 INFO L226 Difference]: Without dead ends: 441 [2024-11-07 20:50:03,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 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 20:50:03,034 INFO L432 NwaCegarLoop]: 276 mSDtfsCounter, 117 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 496 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:03,034 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 496 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:50:03,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2024-11-07 20:50:03,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 405. [2024-11-07 20:50:03,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 325 states have (on average 1.3292307692307692) internal successors, (432), 396 states have internal predecessors, (432), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-07 20:50:03,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 444 transitions. [2024-11-07 20:50:03,060 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 444 transitions. Word has length 123 [2024-11-07 20:50:03,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:03,060 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 444 transitions. [2024-11-07 20:50:03,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.666666666666664) internal successors, (116), 4 states have internal predecessors, (116), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:50:03,061 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 444 transitions. [2024-11-07 20:50:03,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 20:50:03,061 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:03,062 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-07 20:50:03,078 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 20:50:03,262 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 20:50:03,262 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:03,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:03,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1490519972, now seen corresponding path program 1 times [2024-11-07 20:50:03,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:03,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830112896] [2024-11-07 20:50:03,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:03,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-07 20:50:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:03,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-07 20:50:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:03,349 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:03,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:03,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830112896] [2024-11-07 20:50:03,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830112896] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:50:03,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471435467] [2024-11-07 20:50:03,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:03,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:03,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:03,352 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 20:50:03,353 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 20:50:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:03,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-07 20:50:03,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:03,532 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:03,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:03,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471435467] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:50:03,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-07 20:50:03,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-07 20:50:03,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532988575] [2024-11-07 20:50:03,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:03,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-07 20:50:03,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:03,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-07 20:50:03,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-07 20:50:03,674 INFO L87 Difference]: Start difference. First operand 405 states and 444 transitions. Second operand has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 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 20:50:03,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:03,739 INFO L93 Difference]: Finished difference Result 751 states and 794 transitions. [2024-11-07 20:50:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:50:03,739 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 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) Word has length 124 [2024-11-07 20:50:03,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:03,742 INFO L225 Difference]: With dead ends: 751 [2024-11-07 20:50:03,742 INFO L226 Difference]: Without dead ends: 750 [2024-11-07 20:50:03,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 248 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 20:50:03,743 INFO L432 NwaCegarLoop]: 229 mSDtfsCounter, 240 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 1179 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:03,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 1179 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 20:50:03,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-07 20:50:03,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 520. [2024-11-07 20:50:03,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 438 states have (on average 1.408675799086758) internal successors, (617), 509 states have internal predecessors, (617), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-07 20:50:03,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 633 transitions. [2024-11-07 20:50:03,759 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 633 transitions. Word has length 124 [2024-11-07 20:50:03,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:03,759 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 633 transitions. [2024-11-07 20:50:03,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 46.333333333333336) internal successors, (278), 7 states have internal predecessors, (278), 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 20:50:03,759 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 633 transitions. [2024-11-07 20:50:03,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2024-11-07 20:50:03,760 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:03,760 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-07 20:50:03,777 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 20:50:03,961 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 20:50:03,961 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:03,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:03,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1928783128, now seen corresponding path program 1 times [2024-11-07 20:50:03,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:03,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796864528] [2024-11-07 20:50:03,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:03,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:03,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1446913878] [2024-11-07 20:50:03,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:03,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:03,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:03,989 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 20:50:03,991 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 20:50:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:04,054 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-07 20:50:04,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:04,192 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:04,193 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:04,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796864528] [2024-11-07 20:50:04,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:04,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446913878] [2024-11-07 20:50:04,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446913878] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:50:04,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:50:04,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-07 20:50:04,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248323081] [2024-11-07 20:50:04,431 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:04,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 20:50:04,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:04,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 20:50:04,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:50:04,433 INFO L87 Difference]: Start difference. First operand 520 states and 633 transitions. Second operand has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:50:05,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:05,211 INFO L93 Difference]: Finished difference Result 655 states and 785 transitions. [2024-11-07 20:50:05,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-07 20:50:05,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 128 [2024-11-07 20:50:05,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:05,215 INFO L225 Difference]: With dead ends: 655 [2024-11-07 20:50:05,215 INFO L226 Difference]: Without dead ends: 590 [2024-11-07 20:50:05,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:50:05,216 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 374 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 1079 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 377 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:05,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [377 Valid, 192 Invalid, 1162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1079 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-07 20:50:05,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2024-11-07 20:50:05,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 571. [2024-11-07 20:50:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 508 states have (on average 1.220472440944882) internal successors, (620), 561 states have internal predecessors, (620), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:50:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 634 transitions. [2024-11-07 20:50:05,236 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 634 transitions. Word has length 128 [2024-11-07 20:50:05,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:05,236 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 634 transitions. [2024-11-07 20:50:05,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.714285714285715) internal successors, (236), 8 states have internal predecessors, (236), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:50:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 634 transitions. [2024-11-07 20:50:05,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-07 20:50:05,238 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:05,238 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-07 20:50:05,256 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 20:50:05,442 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 20:50:05,443 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:05,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:05,443 INFO L85 PathProgramCache]: Analyzing trace with hash 1903018352, now seen corresponding path program 1 times [2024-11-07 20:50:05,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:05,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515399914] [2024-11-07 20:50:05,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:05,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:05,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2117994094] [2024-11-07 20:50:05,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:05,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:05,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:05,463 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 20:50:05,466 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 20:50:05,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:05,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-07 20:50:05,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:05,890 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 20:50:06,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:06,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515399914] [2024-11-07 20:50:06,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:06,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2117994094] [2024-11-07 20:50:06,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2117994094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:50:06,649 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:50:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-07 20:50:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423776351] [2024-11-07 20:50:06,649 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:06,650 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 20:50:06,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:06,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 20:50:06,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-07 20:50:06,651 INFO L87 Difference]: Start difference. First operand 571 states and 634 transitions. Second operand has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:50:09,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:14,522 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:19,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:24,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:24,206 INFO L93 Difference]: Finished difference Result 582 states and 643 transitions. [2024-11-07 20:50:24,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 20:50:24,207 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Word has length 136 [2024-11-07 20:50:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:24,209 INFO L225 Difference]: With dead ends: 582 [2024-11-07 20:50:24,209 INFO L226 Difference]: Without dead ends: 581 [2024-11-07 20:50:24,209 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 261 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2024-11-07 20:50:24,210 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 393 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 1307 mSolverCounterSat, 45 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 1307 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:24,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 144 Invalid, 1354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 1307 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2024-11-07 20:50:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-07 20:50:24,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 570. [2024-11-07 20:50:24,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 508 states have (on average 1.2145669291338583) internal successors, (617), 560 states have internal predecessors, (617), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:50:24,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 631 transitions. [2024-11-07 20:50:24,230 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 631 transitions. Word has length 136 [2024-11-07 20:50:24,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:24,230 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 631 transitions. [2024-11-07 20:50:24,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 20:50:24,230 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 631 transitions. [2024-11-07 20:50:24,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-11-07 20:50:24,232 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:24,232 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:50:24,248 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-07 20:50:24,436 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 20:50:24,436 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:24,437 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:24,437 INFO L85 PathProgramCache]: Analyzing trace with hash 1508503075, now seen corresponding path program 1 times [2024-11-07 20:50:24,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:24,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427976827] [2024-11-07 20:50:24,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:24,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:24,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303981887] [2024-11-07 20:50:24,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:24,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:24,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:24,461 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 20:50:24,462 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 20:50:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:24,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-07 20:50:24,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:24,901 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:50:24,901 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:25,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427976827] [2024-11-07 20:50:25,173 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:25,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303981887] [2024-11-07 20:50:25,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303981887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:50:25,173 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:50:25,173 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-07 20:50:25,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736734833] [2024-11-07 20:50:25,173 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:25,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-07 20:50:25,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:25,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-07 20:50:25,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:50:25,174 INFO L87 Difference]: Start difference. First operand 570 states and 631 transitions. Second operand has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:50:25,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:25,515 INFO L93 Difference]: Finished difference Result 573 states and 634 transitions. [2024-11-07 20:50:25,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:50:25,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 170 [2024-11-07 20:50:25,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:25,518 INFO L225 Difference]: With dead ends: 573 [2024-11-07 20:50:25,518 INFO L226 Difference]: Without dead ends: 560 [2024-11-07 20:50:25,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-07 20:50:25,519 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 77 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:25,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 60 Invalid, 403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:50:25,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states. [2024-11-07 20:50:25,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 557. [2024-11-07 20:50:25,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 508 states have (on average 1.1653543307086613) internal successors, (592), 547 states have internal predecessors, (592), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:50:25,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 606 transitions. [2024-11-07 20:50:25,537 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 606 transitions. Word has length 170 [2024-11-07 20:50:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:25,538 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 606 transitions. [2024-11-07 20:50:25,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 39.5) internal successors, (158), 5 states have internal predecessors, (158), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-07 20:50:25,538 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 606 transitions. [2024-11-07 20:50:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-07 20:50:25,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:25,540 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:50:25,556 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 20:50:25,743 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 20:50:25,744 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:25,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:25,744 INFO L85 PathProgramCache]: Analyzing trace with hash -481044668, now seen corresponding path program 1 times [2024-11-07 20:50:25,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:25,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228301204] [2024-11-07 20:50:25,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:25,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [759038548] [2024-11-07 20:50:25,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:25,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:25,769 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 20:50:25,771 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 20:50:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:25,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-07 20:50:25,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:26,276 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:50:26,277 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:26,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228301204] [2024-11-07 20:50:26,945 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:26,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759038548] [2024-11-07 20:50:26,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759038548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:50:26,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:50:26,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-07 20:50:26,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118750008] [2024-11-07 20:50:26,946 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:26,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 20:50:26,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:26,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 20:50:26,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:50:26,947 INFO L87 Difference]: Start difference. First operand 557 states and 606 transitions. Second operand has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:50:27,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:27,296 INFO L93 Difference]: Finished difference Result 561 states and 610 transitions. [2024-11-07 20:50:27,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-07 20:50:27,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 171 [2024-11-07 20:50:27,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:27,298 INFO L225 Difference]: With dead ends: 561 [2024-11-07 20:50:27,298 INFO L226 Difference]: Without dead ends: 515 [2024-11-07 20:50:27,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-07 20:50:27,298 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 600 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:27,298 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 136 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 600 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-07 20:50:27,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2024-11-07 20:50:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2024-11-07 20:50:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 466 states have (on average 1.1781115879828326) internal successors, (549), 505 states have internal predecessors, (549), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:50:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 563 transitions. [2024-11-07 20:50:27,315 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 563 transitions. Word has length 171 [2024-11-07 20:50:27,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:27,316 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 563 transitions. [2024-11-07 20:50:27,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.8) internal successors, (159), 6 states have internal predecessors, (159), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 20:50:27,316 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 563 transitions. [2024-11-07 20:50:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-07 20:50:27,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:27,317 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 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 20:50:27,334 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 20:50:27,518 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 20:50:27,518 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:27,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:27,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1426492317, now seen corresponding path program 1 times [2024-11-07 20:50:27,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:27,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421011493] [2024-11-07 20:50:27,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:27,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:27,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781168583] [2024-11-07 20:50:27,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:27,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:27,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:27,550 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 20:50:27,552 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 20:50:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:27,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:50:27,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:28,087 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 70 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-07 20:50:28,088 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:36,625 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))) (or (forall ((|v_ULTIMATE.start_main_~y~0#1_231| Int)) (or (< (+ |c_ULTIMATE.start_main_~y~0#1| 1) |v_ULTIMATE.start_main_~y~0#1_231|) (< (* |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231| |v_ULTIMATE.start_main_~y~0#1_231|) (+ 768614336404564651 (div (+ .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 5)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 6)) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| (- 2))) 12))))) (not (= 0 (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 10) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 7) .cse0 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 6)) 12))))) is different from false [2024-11-07 20:50:36,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:36,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421011493] [2024-11-07 20:50:36,639 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:36,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [781168583] [2024-11-07 20:50:36,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [781168583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 20:50:36,640 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-07 20:50:36,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-07 20:50:36,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199375886] [2024-11-07 20:50:36,640 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:36,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 20:50:36,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:36,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 20:50:36,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=100, Unknown=1, NotChecked=20, Total=156 [2024-11-07 20:50:36,641 INFO L87 Difference]: Start difference. First operand 515 states and 563 transitions. Second operand has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:50:37,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 20:50:37,257 INFO L93 Difference]: Finished difference Result 537 states and 583 transitions. [2024-11-07 20:50:37,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 20:50:37,258 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 180 [2024-11-07 20:50:37,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 20:50:37,260 INFO L225 Difference]: With dead ends: 537 [2024-11-07 20:50:37,260 INFO L226 Difference]: Without dead ends: 533 [2024-11-07 20:50:37,260 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=50, Invalid=135, Unknown=1, NotChecked=24, Total=210 [2024-11-07 20:50:37,261 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 123 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-07 20:50:37,261 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 463 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-07 20:50:37,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2024-11-07 20:50:37,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 525. [2024-11-07 20:50:37,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 476 states have (on average 1.1701680672268908) internal successors, (557), 515 states have internal predecessors, (557), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-07 20:50:37,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 571 transitions. [2024-11-07 20:50:37,279 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 571 transitions. Word has length 180 [2024-11-07 20:50:37,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 20:50:37,280 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 571 transitions. [2024-11-07 20:50:37,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 22.0) internal successors, (176), 9 states have internal predecessors, (176), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 20:50:37,280 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 571 transitions. [2024-11-07 20:50:37,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-07 20:50:37,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 20:50:37,282 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:50:37,299 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 20:50:37,482 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 20:50:37,482 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 101 more)] === [2024-11-07 20:50:37,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 20:50:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash -930007697, now seen corresponding path program 1 times [2024-11-07 20:50:37,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 20:50:37,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691083428] [2024-11-07 20:50:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:37,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 20:50:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 20:50:37,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040787175] [2024-11-07 20:50:37,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 20:50:37,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 20:50:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 20:50:37,509 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 20:50:37,511 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 20:50:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 20:50:37,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-07 20:50:37,584 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 20:50:38,033 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:50:38,034 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-07 20:50:39,375 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-07 20:50:39,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 20:50:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691083428] [2024-11-07 20:50:39,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-07 20:50:39,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040787175] [2024-11-07 20:50:39,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040787175] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-07 20:50:39,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-07 20:50:39,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-07 20:50:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123025779] [2024-11-07 20:50:39,377 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-07 20:50:39,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-07 20:50:39,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 20:50:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-07 20:50:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2024-11-07 20:50:39,378 INFO L87 Difference]: Start difference. First operand 525 states and 571 transitions. Second operand has 12 states, 11 states have (on average 31.818181818181817) internal successors, (350), 12 states have internal predecessors, (350), 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 20:50:43,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:48,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:52,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:50:56,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:51:00,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:51:04,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:51:08,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-07 20:51:12,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []