./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/ldv-races/race-2_2-container_of.i --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/ldv-races/race-2_2-container_of.i', '-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', '6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0'] 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/ldv-races/race-2_2-container_of.i -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 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 23:28:38,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 23:28:38,413 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-07 23:28:38,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 23:28:38,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 23:28:38,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 23:28:38,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 23:28:38,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 23:28:38,446 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 23:28:38,446 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 23:28:38,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 23:28:38,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 23:28:38,446 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 23:28:38,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 23:28:38,446 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 23:28:38,447 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 23:28:38,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 23:28:38,449 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 23:28:38,450 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 23:28:38,450 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 23:28:38,450 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 23:28:38,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 23:28:38,450 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:38,450 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 23:28:38,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 23:28:38,451 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 -> 6053c0f6a5de5dc1a7614e5acfd1de5bdb570ebc833d8c4c70a1e68bd98ac1b0 [2024-11-07 23:28:38,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 23:28:38,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 23:28:38,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 23:28:38,693 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 23:28:38,693 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 23:28:38,694 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-07 23:28:39,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 23:28:40,248 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 23:28:40,249 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-2_2-container_of.i [2024-11-07 23:28:40,280 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f540da3cb/c4f41492e190477a86c5122fef0f1140/FLAG4595dbb04 [2024-11-07 23:28:40,492 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f540da3cb/c4f41492e190477a86c5122fef0f1140 [2024-11-07 23:28:40,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 23:28:40,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 23:28:40,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:40,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 23:28:40,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 23:28:40,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:40,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab24f21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40, skipping insertion in model container [2024-11-07 23:28:40,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:40,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 23:28:40,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:40,860 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 23:28:40,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 23:28:40,954 INFO L204 MainTranslator]: Completed translation [2024-11-07 23:28:40,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40 WrapperNode [2024-11-07 23:28:40,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 23:28:40,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:40,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 23:28:40,956 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 23:28:40,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:40,973 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:40,988 INFO L138 Inliner]: procedures = 246, calls = 40, calls flagged for inlining = 11, calls inlined = 14, statements flattened = 120 [2024-11-07 23:28:40,989 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 23:28:40,989 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 23:28:40,989 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 23:28:40,989 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 23:28:40,995 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:40,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,003 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,023 INFO L175 MemorySlicer]: Split 15 memory accesses to 3 slices as follows [2, 11, 2]. 73 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 8 writes are split as follows [0, 6, 2]. [2024-11-07 23:28:41,024 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,024 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,040 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,045 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,047 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 23:28:41,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 23:28:41,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 23:28:41,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 23:28:41,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (1/1) ... [2024-11-07 23:28:41,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 23:28:41,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 23:28:41,081 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 23:28:41,088 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 23:28:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-07 23:28:41,105 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-07 23:28:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-07 23:28:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 23:28:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 23:28:41,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 23:28:41,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 23:28:41,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 23:28:41,108 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-07 23:28:41,321 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 23:28:41,322 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 23:28:41,484 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-07 23:28:41,484 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 23:28:41,624 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 23:28:41,625 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 23:28:41,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:41 BoogieIcfgContainer [2024-11-07 23:28:41,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 23:28:41,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 23:28:41,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 23:28:41,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 23:28:41,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:28:40" (1/3) ... [2024-11-07 23:28:41,634 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fce3aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:41, skipping insertion in model container [2024-11-07 23:28:41,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:28:40" (2/3) ... [2024-11-07 23:28:41,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fce3aba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:28:41, skipping insertion in model container [2024-11-07 23:28:41,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:41" (3/3) ... [2024-11-07 23:28:41,639 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i [2024-11-07 23:28:41,651 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 23:28:41,651 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 23:28:41,651 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-07 23:28:41,690 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-07 23:28:41,717 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 38 places, 34 transitions, 82 flow [2024-11-07 23:28:41,747 INFO L124 PetriNetUnfolderBase]: 2/37 cut-off events. [2024-11-07 23:28:41,752 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-07 23:28:41,755 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 37 events. 2/37 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 75 event pairs, 0 based on Foata normal form. 0/29 useless extension candidates. Maximal degree in co-relation 21. Up to 3 conditions per place. [2024-11-07 23:28:41,755 INFO L82 GeneralOperation]: Start removeDead. Operand has 38 places, 34 transitions, 82 flow [2024-11-07 23:28:41,757 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 35 places, 28 transitions, 65 flow [2024-11-07 23:28:41,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 23:28:41,773 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;@efe318e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 23:28:41,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-07 23:28:41,783 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-07 23:28:41,783 INFO L124 PetriNetUnfolderBase]: 0/13 cut-off events. [2024-11-07 23:28:41,783 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-07 23:28:41,783 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:41,784 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:41,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:41,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:41,789 INFO L85 PathProgramCache]: Analyzing trace with hash -183419474, now seen corresponding path program 1 times [2024-11-07 23:28:41,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:41,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82016373] [2024-11-07 23:28:41,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:41,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:41,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:42,413 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 23:28:42,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:42,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82016373] [2024-11-07 23:28:42,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82016373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:42,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:42,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:42,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490391335] [2024-11-07 23:28:42,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:42,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:42,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:42,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:42,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:42,445 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:42,450 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 28 transitions, 65 flow. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 23:28:42,450 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:42,450 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:42,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:42,923 INFO L124 PetriNetUnfolderBase]: 769/1306 cut-off events. [2024-11-07 23:28:42,924 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2024-11-07 23:28:42,928 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2638 conditions, 1306 events. 769/1306 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 6470 event pairs, 347 based on Foata normal form. 0/1086 useless extension candidates. Maximal degree in co-relation 2568. Up to 850 conditions per place. [2024-11-07 23:28:42,936 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 63 selfloop transitions, 20 changer transitions 2/86 dead transitions. [2024-11-07 23:28:42,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 86 transitions, 366 flow [2024-11-07 23:28:42,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 129 transitions. [2024-11-07 23:28:42,951 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.37941176470588234 [2024-11-07 23:28:42,953 INFO L175 Difference]: Start difference. First operand has 35 places, 28 transitions, 65 flow. Second operand 10 states and 129 transitions. [2024-11-07 23:28:42,954 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 86 transitions, 366 flow [2024-11-07 23:28:42,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 86 transitions, 355 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:42,965 INFO L231 Difference]: Finished difference. Result has 46 places, 48 transitions, 188 flow [2024-11-07 23:28:42,967 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=188, PETRI_PLACES=46, PETRI_TRANSITIONS=48} [2024-11-07 23:28:42,969 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 11 predicate places. [2024-11-07 23:28:42,970 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 48 transitions, 188 flow [2024-11-07 23:28:42,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 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 23:28:42,971 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:42,971 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:42,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 23:28:42,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:42,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:42,972 INFO L85 PathProgramCache]: Analyzing trace with hash -186141248, now seen corresponding path program 1 times [2024-11-07 23:28:42,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:42,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1598317116] [2024-11-07 23:28:42,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:42,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:43,403 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 23:28:43,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:43,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1598317116] [2024-11-07 23:28:43,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1598317116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:43,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:43,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-07 23:28:43,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338881368] [2024-11-07 23:28:43,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:43,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-07 23:28:43,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:43,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-07 23:28:43,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-07 23:28:43,407 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:43,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 48 transitions, 188 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 23:28:43,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:43,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:43,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:43,747 INFO L124 PetriNetUnfolderBase]: 899/1554 cut-off events. [2024-11-07 23:28:43,747 INFO L125 PetriNetUnfolderBase]: For 794/794 co-relation queries the response was YES. [2024-11-07 23:28:43,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3993 conditions, 1554 events. 899/1554 cut-off events. For 794/794 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 8213 event pairs, 631 based on Foata normal form. 0/1372 useless extension candidates. Maximal degree in co-relation 2189. Up to 1126 conditions per place. [2024-11-07 23:28:43,755 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 64 selfloop transitions, 27 changer transitions 4/96 dead transitions. [2024-11-07 23:28:43,755 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 96 transitions, 550 flow [2024-11-07 23:28:43,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-07 23:28:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-07 23:28:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 125 transitions. [2024-11-07 23:28:43,756 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-07 23:28:43,756 INFO L175 Difference]: Start difference. First operand has 46 places, 48 transitions, 188 flow. Second operand 10 states and 125 transitions. [2024-11-07 23:28:43,756 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 96 transitions, 550 flow [2024-11-07 23:28:43,759 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 96 transitions, 548 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-07 23:28:43,760 INFO L231 Difference]: Finished difference. Result has 58 places, 64 transitions, 344 flow [2024-11-07 23:28:43,760 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=344, PETRI_PLACES=58, PETRI_TRANSITIONS=64} [2024-11-07 23:28:43,761 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 23 predicate places. [2024-11-07 23:28:43,761 INFO L471 AbstractCegarLoop]: Abstraction has has 58 places, 64 transitions, 344 flow [2024-11-07 23:28:43,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 23:28:43,761 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:43,761 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:43,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 23:28:43,762 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:43,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash -3978691, now seen corresponding path program 1 times [2024-11-07 23:28:43,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:43,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108762017] [2024-11-07 23:28:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:43,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:44,071 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 23:28:44,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:44,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108762017] [2024-11-07 23:28:44,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108762017] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:44,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:44,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:44,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163912250] [2024-11-07 23:28:44,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:44,072 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:44,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:44,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:44,073 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:44,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 64 transitions, 344 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:44,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:44,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:44,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:44,727 INFO L124 PetriNetUnfolderBase]: 1410/2455 cut-off events. [2024-11-07 23:28:44,728 INFO L125 PetriNetUnfolderBase]: For 2390/2394 co-relation queries the response was YES. [2024-11-07 23:28:44,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7340 conditions, 2455 events. 1410/2455 cut-off events. For 2390/2394 co-relation queries the response was YES. Maximal size of possible extension queue 174. Compared 14577 event pairs, 653 based on Foata normal form. 54/2347 useless extension candidates. Maximal degree in co-relation 4394. Up to 1397 conditions per place. [2024-11-07 23:28:44,741 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 121 selfloop transitions, 66 changer transitions 4/192 dead transitions. [2024-11-07 23:28:44,742 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 192 transitions, 1364 flow [2024-11-07 23:28:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:28:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:28:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2024-11-07 23:28:44,743 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3494809688581315 [2024-11-07 23:28:44,744 INFO L175 Difference]: Start difference. First operand has 58 places, 64 transitions, 344 flow. Second operand 17 states and 202 transitions. [2024-11-07 23:28:44,744 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 192 transitions, 1364 flow [2024-11-07 23:28:44,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 192 transitions, 1364 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-07 23:28:44,753 INFO L231 Difference]: Finished difference. Result has 86 places, 123 transitions, 983 flow [2024-11-07 23:28:44,753 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=983, PETRI_PLACES=86, PETRI_TRANSITIONS=123} [2024-11-07 23:28:44,754 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 51 predicate places. [2024-11-07 23:28:44,754 INFO L471 AbstractCegarLoop]: Abstraction has has 86 places, 123 transitions, 983 flow [2024-11-07 23:28:44,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:44,754 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:44,754 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:44,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-07 23:28:44,754 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:44,755 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:44,755 INFO L85 PathProgramCache]: Analyzing trace with hash -859285121, now seen corresponding path program 1 times [2024-11-07 23:28:44,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:44,755 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811789051] [2024-11-07 23:28:44,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:44,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:44,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:45,072 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 23:28:45,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:45,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811789051] [2024-11-07 23:28:45,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811789051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:45,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:45,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:28:45,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578504552] [2024-11-07 23:28:45,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:45,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:28:45,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:45,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:28:45,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:28:45,074 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:45,074 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 123 transitions, 983 flow. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 23:28:45,074 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:45,074 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:45,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:45,557 INFO L124 PetriNetUnfolderBase]: 1416/2509 cut-off events. [2024-11-07 23:28:45,557 INFO L125 PetriNetUnfolderBase]: For 6890/6904 co-relation queries the response was YES. [2024-11-07 23:28:45,562 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9596 conditions, 2509 events. 1416/2509 cut-off events. For 6890/6904 co-relation queries the response was YES. Maximal size of possible extension queue 177. Compared 15284 event pairs, 592 based on Foata normal form. 68/2401 useless extension candidates. Maximal degree in co-relation 8877. Up to 1610 conditions per place. [2024-11-07 23:28:45,610 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 112 selfloop transitions, 90 changer transitions 19/222 dead transitions. [2024-11-07 23:28:45,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 222 transitions, 2146 flow [2024-11-07 23:28:45,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 23:28:45,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 23:28:45,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 167 transitions. [2024-11-07 23:28:45,611 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.35084033613445376 [2024-11-07 23:28:45,611 INFO L175 Difference]: Start difference. First operand has 86 places, 123 transitions, 983 flow. Second operand 14 states and 167 transitions. [2024-11-07 23:28:45,611 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 222 transitions, 2146 flow [2024-11-07 23:28:45,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 222 transitions, 2040 flow, removed 45 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:45,633 INFO L231 Difference]: Finished difference. Result has 104 places, 159 transitions, 1605 flow [2024-11-07 23:28:45,633 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=937, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=56, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=1605, PETRI_PLACES=104, PETRI_TRANSITIONS=159} [2024-11-07 23:28:45,633 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 69 predicate places. [2024-11-07 23:28:45,633 INFO L471 AbstractCegarLoop]: Abstraction has has 104 places, 159 transitions, 1605 flow [2024-11-07 23:28:45,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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 23:28:45,634 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:45,634 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:45,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-07 23:28:45,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:45,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:45,634 INFO L85 PathProgramCache]: Analyzing trace with hash -415995041, now seen corresponding path program 2 times [2024-11-07 23:28:45,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:45,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70659240] [2024-11-07 23:28:45,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:45,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:46,046 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 23:28:46,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:46,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70659240] [2024-11-07 23:28:46,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [70659240] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:46,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:46,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:46,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183716128] [2024-11-07 23:28:46,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:46,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:46,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:46,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:46,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:46,048 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:46,048 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 159 transitions, 1605 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:46,048 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:46,048 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:46,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:46,781 INFO L124 PetriNetUnfolderBase]: 1564/2782 cut-off events. [2024-11-07 23:28:46,781 INFO L125 PetriNetUnfolderBase]: For 9431/9449 co-relation queries the response was YES. [2024-11-07 23:28:46,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11526 conditions, 2782 events. 1564/2782 cut-off events. For 9431/9449 co-relation queries the response was YES. Maximal size of possible extension queue 196. Compared 17451 event pairs, 616 based on Foata normal form. 72/2664 useless extension candidates. Maximal degree in co-relation 10753. Up to 1607 conditions per place. [2024-11-07 23:28:46,847 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 106 selfloop transitions, 124 changer transitions 19/250 dead transitions. [2024-11-07 23:28:46,847 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 250 transitions, 2816 flow [2024-11-07 23:28:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 23:28:46,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 23:28:46,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 201 transitions. [2024-11-07 23:28:46,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3284313725490196 [2024-11-07 23:28:46,849 INFO L175 Difference]: Start difference. First operand has 104 places, 159 transitions, 1605 flow. Second operand 18 states and 201 transitions. [2024-11-07 23:28:46,849 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 250 transitions, 2816 flow [2024-11-07 23:28:46,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 250 transitions, 2751 flow, removed 25 selfloop flow, removed 3 redundant places. [2024-11-07 23:28:46,880 INFO L231 Difference]: Finished difference. Result has 123 places, 185 transitions, 2198 flow [2024-11-07 23:28:46,881 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1552, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=100, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2198, PETRI_PLACES=123, PETRI_TRANSITIONS=185} [2024-11-07 23:28:46,881 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 88 predicate places. [2024-11-07 23:28:46,881 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 185 transitions, 2198 flow [2024-11-07 23:28:46,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:46,882 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:46,882 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:46,882 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-07 23:28:46,882 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:46,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:46,883 INFO L85 PathProgramCache]: Analyzing trace with hash -410632661, now seen corresponding path program 3 times [2024-11-07 23:28:46,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:46,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044342368] [2024-11-07 23:28:46,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:46,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:46,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:47,272 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 23:28:47,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:47,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044342368] [2024-11-07 23:28:47,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044342368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:47,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:47,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:47,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791320846] [2024-11-07 23:28:47,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:47,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:47,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:47,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:47,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:47,274 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:47,275 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 185 transitions, 2198 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:47,275 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:47,275 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:47,275 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:47,873 INFO L124 PetriNetUnfolderBase]: 1729/3110 cut-off events. [2024-11-07 23:28:47,874 INFO L125 PetriNetUnfolderBase]: For 11792/11796 co-relation queries the response was YES. [2024-11-07 23:28:47,883 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13248 conditions, 3110 events. 1729/3110 cut-off events. For 11792/11796 co-relation queries the response was YES. Maximal size of possible extension queue 226. Compared 20222 event pairs, 849 based on Foata normal form. 56/2960 useless extension candidates. Maximal degree in co-relation 12848. Up to 1870 conditions per place. [2024-11-07 23:28:47,895 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 105 selfloop transitions, 109 changer transitions 13/228 dead transitions. [2024-11-07 23:28:47,895 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 228 transitions, 2954 flow [2024-11-07 23:28:47,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-07 23:28:47,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-07 23:28:47,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 150 transitions. [2024-11-07 23:28:47,897 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.36764705882352944 [2024-11-07 23:28:47,897 INFO L175 Difference]: Start difference. First operand has 123 places, 185 transitions, 2198 flow. Second operand 12 states and 150 transitions. [2024-11-07 23:28:47,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 228 transitions, 2954 flow [2024-11-07 23:28:47,935 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 228 transitions, 2847 flow, removed 34 selfloop flow, removed 7 redundant places. [2024-11-07 23:28:47,938 INFO L231 Difference]: Finished difference. Result has 130 places, 188 transitions, 2427 flow [2024-11-07 23:28:47,938 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2094, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=185, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2427, PETRI_PLACES=130, PETRI_TRANSITIONS=188} [2024-11-07 23:28:47,939 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-07 23:28:47,939 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 188 transitions, 2427 flow [2024-11-07 23:28:47,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:47,939 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:47,939 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:47,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-07 23:28:47,939 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:47,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:47,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1299970082, now seen corresponding path program 1 times [2024-11-07 23:28:47,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:47,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192789265] [2024-11-07 23:28:47,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:47,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:48,252 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 23:28:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192789265] [2024-11-07 23:28:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192789265] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:48,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749087481] [2024-11-07 23:28:48,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:48,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:48,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:48,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:48,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:48,254 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:48,254 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 188 transitions, 2427 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:48,255 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:48,255 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:48,255 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:48,972 INFO L124 PetriNetUnfolderBase]: 1967/3514 cut-off events. [2024-11-07 23:28:48,972 INFO L125 PetriNetUnfolderBase]: For 15345/15355 co-relation queries the response was YES. [2024-11-07 23:28:48,983 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15298 conditions, 3514 events. 1967/3514 cut-off events. For 15345/15355 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 23216 event pairs, 947 based on Foata normal form. 82/3368 useless extension candidates. Maximal degree in co-relation 14986. Up to 2269 conditions per place. [2024-11-07 23:28:48,995 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 173 selfloop transitions, 87 changer transitions 12/273 dead transitions. [2024-11-07 23:28:48,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 273 transitions, 3597 flow [2024-11-07 23:28:48,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:28:48,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:28:48,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 178 transitions. [2024-11-07 23:28:48,997 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.34901960784313724 [2024-11-07 23:28:48,997 INFO L175 Difference]: Start difference. First operand has 130 places, 188 transitions, 2427 flow. Second operand 15 states and 178 transitions. [2024-11-07 23:28:48,997 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 273 transitions, 3597 flow [2024-11-07 23:28:49,048 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 273 transitions, 3410 flow, removed 35 selfloop flow, removed 6 redundant places. [2024-11-07 23:28:49,055 INFO L231 Difference]: Finished difference. Result has 142 places, 211 transitions, 2752 flow [2024-11-07 23:28:49,056 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2266, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=65, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=2752, PETRI_PLACES=142, PETRI_TRANSITIONS=211} [2024-11-07 23:28:49,057 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-07 23:28:49,057 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 211 transitions, 2752 flow [2024-11-07 23:28:49,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:49,057 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:49,057 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:49,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-07 23:28:49,059 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:49,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:49,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623297, now seen corresponding path program 2 times [2024-11-07 23:28:49,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:49,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178223933] [2024-11-07 23:28:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:49,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:49,333 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 23:28:49,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:49,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178223933] [2024-11-07 23:28:49,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178223933] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:49,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:49,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:49,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653911831] [2024-11-07 23:28:49,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:49,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:49,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:49,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:49,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:49,335 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:49,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 211 transitions, 2752 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:49,336 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:49,336 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:49,336 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:50,053 INFO L124 PetriNetUnfolderBase]: 2198/3934 cut-off events. [2024-11-07 23:28:50,054 INFO L125 PetriNetUnfolderBase]: For 21412/21414 co-relation queries the response was YES. [2024-11-07 23:28:50,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18649 conditions, 3934 events. 2198/3934 cut-off events. For 21412/21414 co-relation queries the response was YES. Maximal size of possible extension queue 276. Compared 26611 event pairs, 978 based on Foata normal form. 56/3738 useless extension candidates. Maximal degree in co-relation 17908. Up to 2459 conditions per place. [2024-11-07 23:28:50,078 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 144 selfloop transitions, 140 changer transitions 8/293 dead transitions. [2024-11-07 23:28:50,078 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 293 transitions, 4120 flow [2024-11-07 23:28:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 23:28:50,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 23:28:50,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 199 transitions. [2024-11-07 23:28:50,080 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32516339869281047 [2024-11-07 23:28:50,080 INFO L175 Difference]: Start difference. First operand has 142 places, 211 transitions, 2752 flow. Second operand 18 states and 199 transitions. [2024-11-07 23:28:50,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 293 transitions, 4120 flow [2024-11-07 23:28:50,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 293 transitions, 4030 flow, removed 11 selfloop flow, removed 9 redundant places. [2024-11-07 23:28:50,139 INFO L231 Difference]: Finished difference. Result has 155 places, 232 transitions, 3404 flow [2024-11-07 23:28:50,139 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2670, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=120, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=3404, PETRI_PLACES=155, PETRI_TRANSITIONS=232} [2024-11-07 23:28:50,140 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 120 predicate places. [2024-11-07 23:28:50,140 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 232 transitions, 3404 flow [2024-11-07 23:28:50,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:50,140 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:50,140 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:50,140 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-07 23:28:50,140 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:50,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:50,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1506623522, now seen corresponding path program 2 times [2024-11-07 23:28:50,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:50,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640995216] [2024-11-07 23:28:50,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:50,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:50,387 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 23:28:50,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:50,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640995216] [2024-11-07 23:28:50,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640995216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:50,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:50,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:50,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348907855] [2024-11-07 23:28:50,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:50,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:50,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:50,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:50,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:50,388 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:50,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 232 transitions, 3404 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:50,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:50,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:50,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:51,219 INFO L124 PetriNetUnfolderBase]: 2509/4501 cut-off events. [2024-11-07 23:28:51,220 INFO L125 PetriNetUnfolderBase]: For 34764/34766 co-relation queries the response was YES. [2024-11-07 23:28:51,231 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24088 conditions, 4501 events. 2509/4501 cut-off events. For 34764/34766 co-relation queries the response was YES. Maximal size of possible extension queue 320. Compared 31285 event pairs, 1240 based on Foata normal form. 96/4327 useless extension candidates. Maximal degree in co-relation 22950. Up to 2931 conditions per place. [2024-11-07 23:28:51,241 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 225 selfloop transitions, 95 changer transitions 15/336 dead transitions. [2024-11-07 23:28:51,241 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 336 transitions, 5256 flow [2024-11-07 23:28:51,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:28:51,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:28:51,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 174 transitions. [2024-11-07 23:28:51,242 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3411764705882353 [2024-11-07 23:28:51,242 INFO L175 Difference]: Start difference. First operand has 155 places, 232 transitions, 3404 flow. Second operand 15 states and 174 transitions. [2024-11-07 23:28:51,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 336 transitions, 5256 flow [2024-11-07 23:28:51,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 162 places, 336 transitions, 5094 flow, removed 41 selfloop flow, removed 7 redundant places. [2024-11-07 23:28:51,348 INFO L231 Difference]: Finished difference. Result has 167 places, 265 transitions, 4151 flow [2024-11-07 23:28:51,348 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3293, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=232, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=62, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=4151, PETRI_PLACES=167, PETRI_TRANSITIONS=265} [2024-11-07 23:28:51,350 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 132 predicate places. [2024-11-07 23:28:51,350 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 265 transitions, 4151 flow [2024-11-07 23:28:51,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:51,350 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:51,350 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:51,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-07 23:28:51,350 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:51,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:51,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1299969857, now seen corresponding path program 3 times [2024-11-07 23:28:51,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:51,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527550029] [2024-11-07 23:28:51,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:51,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:51,595 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 23:28:51,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:51,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527550029] [2024-11-07 23:28:51,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527550029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:51,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:51,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:51,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339532908] [2024-11-07 23:28:51,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:51,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:51,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:51,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:51,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:51,598 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:51,599 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 265 transitions, 4151 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:51,599 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:51,599 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:51,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:52,648 INFO L124 PetriNetUnfolderBase]: 2455/4453 cut-off events. [2024-11-07 23:28:52,648 INFO L125 PetriNetUnfolderBase]: For 41550/41554 co-relation queries the response was YES. [2024-11-07 23:28:52,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25392 conditions, 4453 events. 2455/4453 cut-off events. For 41550/41554 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 31241 event pairs, 1236 based on Foata normal form. 80/4283 useless extension candidates. Maximal degree in co-relation 24135. Up to 2769 conditions per place. [2024-11-07 23:28:52,676 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 211 selfloop transitions, 145 changer transitions 11/368 dead transitions. [2024-11-07 23:28:52,677 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 368 transitions, 6058 flow [2024-11-07 23:28:52,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-07 23:28:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-07 23:28:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 224 transitions. [2024-11-07 23:28:52,678 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32941176470588235 [2024-11-07 23:28:52,678 INFO L175 Difference]: Start difference. First operand has 167 places, 265 transitions, 4151 flow. Second operand 20 states and 224 transitions. [2024-11-07 23:28:52,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 186 places, 368 transitions, 6058 flow [2024-11-07 23:28:52,815 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 181 places, 368 transitions, 5907 flow, removed 40 selfloop flow, removed 5 redundant places. [2024-11-07 23:28:52,819 INFO L231 Difference]: Finished difference. Result has 186 places, 294 transitions, 4962 flow [2024-11-07 23:28:52,820 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4020, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=265, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=4962, PETRI_PLACES=186, PETRI_TRANSITIONS=294} [2024-11-07 23:28:52,821 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 151 predicate places. [2024-11-07 23:28:52,821 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 294 transitions, 4962 flow [2024-11-07 23:28:52,821 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:52,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:52,822 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:52,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-07 23:28:52,822 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:52,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:52,822 INFO L85 PathProgramCache]: Analyzing trace with hash 1305332462, now seen corresponding path program 3 times [2024-11-07 23:28:52,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:52,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845166467] [2024-11-07 23:28:52,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:52,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:53,050 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 23:28:53,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845166467] [2024-11-07 23:28:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845166467] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:53,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:53,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:53,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490610136] [2024-11-07 23:28:53,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:53,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:53,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:53,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:53,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:53,051 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:53,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 294 transitions, 4962 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:53,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:53,051 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:53,051 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:53,939 INFO L124 PetriNetUnfolderBase]: 2422/4444 cut-off events. [2024-11-07 23:28:53,940 INFO L125 PetriNetUnfolderBase]: For 51080/51082 co-relation queries the response was YES. [2024-11-07 23:28:53,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26904 conditions, 4444 events. 2422/4444 cut-off events. For 51080/51082 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 31674 event pairs, 1270 based on Foata normal form. 72/4274 useless extension candidates. Maximal degree in co-relation 25641. Up to 2758 conditions per place. [2024-11-07 23:28:53,973 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 203 selfloop transitions, 148 changer transitions 15/367 dead transitions. [2024-11-07 23:28:53,974 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 367 transitions, 6354 flow [2024-11-07 23:28:53,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:28:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:28:53,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-07 23:28:53,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-07 23:28:53,976 INFO L175 Difference]: Start difference. First operand has 186 places, 294 transitions, 4962 flow. Second operand 19 states and 210 transitions. [2024-11-07 23:28:53,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 367 transitions, 6354 flow [2024-11-07 23:28:54,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 367 transitions, 6020 flow, removed 56 selfloop flow, removed 13 redundant places. [2024-11-07 23:28:54,149 INFO L231 Difference]: Finished difference. Result has 196 places, 301 transitions, 5218 flow [2024-11-07 23:28:54,150 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4667, PETRI_DIFFERENCE_MINUEND_PLACES=173, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=141, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=5218, PETRI_PLACES=196, PETRI_TRANSITIONS=301} [2024-11-07 23:28:54,150 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 161 predicate places. [2024-11-07 23:28:54,151 INFO L471 AbstractCegarLoop]: Abstraction has has 196 places, 301 transitions, 5218 flow [2024-11-07 23:28:54,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:54,151 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:54,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:54,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-07 23:28:54,151 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:54,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:54,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1499473457, now seen corresponding path program 4 times [2024-11-07 23:28:54,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:54,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016028962] [2024-11-07 23:28:54,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:54,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:54,366 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 23:28:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016028962] [2024-11-07 23:28:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016028962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:54,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:54,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-07 23:28:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130621507] [2024-11-07 23:28:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:54,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-07 23:28:54,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-07 23:28:54,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-07 23:28:54,368 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:54,368 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 196 places, 301 transitions, 5218 flow. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:54,368 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:54,368 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:54,368 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:55,393 INFO L124 PetriNetUnfolderBase]: 2350/4338 cut-off events. [2024-11-07 23:28:55,393 INFO L125 PetriNetUnfolderBase]: For 49537/49537 co-relation queries the response was YES. [2024-11-07 23:28:55,407 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26293 conditions, 4338 events. 2350/4338 cut-off events. For 49537/49537 co-relation queries the response was YES. Maximal size of possible extension queue 337. Compared 30806 event pairs, 1203 based on Foata normal form. 52/4154 useless extension candidates. Maximal degree in co-relation 25363. Up to 2587 conditions per place. [2024-11-07 23:28:55,417 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 168 selfloop transitions, 194 changer transitions 10/373 dead transitions. [2024-11-07 23:28:55,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 217 places, 373 transitions, 6644 flow [2024-11-07 23:28:55,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:28:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:28:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 231 transitions. [2024-11-07 23:28:55,418 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3088235294117647 [2024-11-07 23:28:55,418 INFO L175 Difference]: Start difference. First operand has 196 places, 301 transitions, 5218 flow. Second operand 22 states and 231 transitions. [2024-11-07 23:28:55,418 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 217 places, 373 transitions, 6644 flow [2024-11-07 23:28:55,553 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 373 transitions, 6328 flow, removed 52 selfloop flow, removed 13 redundant places. [2024-11-07 23:28:55,558 INFO L231 Difference]: Finished difference. Result has 207 places, 307 transitions, 5500 flow [2024-11-07 23:28:55,558 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4936, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=301, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=188, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=5500, PETRI_PLACES=207, PETRI_TRANSITIONS=307} [2024-11-07 23:28:55,559 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 172 predicate places. [2024-11-07 23:28:55,559 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 307 transitions, 5500 flow [2024-11-07 23:28:55,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 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 23:28:55,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:55,559 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:55,559 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-07 23:28:55,559 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:55,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:55,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928707, now seen corresponding path program 1 times [2024-11-07 23:28:55,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:55,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125217910] [2024-11-07 23:28:55,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:55,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:55,860 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 23:28:55,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:55,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125217910] [2024-11-07 23:28:55,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125217910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:55,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:55,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:28:55,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436242145] [2024-11-07 23:28:55,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:55,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:28:55,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:55,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:28:55,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:28:55,861 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:55,862 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 307 transitions, 5500 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:28:55,862 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:55,862 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:55,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:56,856 INFO L124 PetriNetUnfolderBase]: 2300/4297 cut-off events. [2024-11-07 23:28:56,857 INFO L125 PetriNetUnfolderBase]: For 52440/52440 co-relation queries the response was YES. [2024-11-07 23:28:56,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26503 conditions, 4297 events. 2300/4297 cut-off events. For 52440/52440 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 30659 event pairs, 800 based on Foata normal form. 0/4091 useless extension candidates. Maximal degree in co-relation 25905. Up to 2038 conditions per place. [2024-11-07 23:28:56,885 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 243 selfloop transitions, 178 changer transitions 20/442 dead transitions. [2024-11-07 23:28:56,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 228 places, 442 transitions, 7721 flow [2024-11-07 23:28:56,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-07 23:28:56,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-07 23:28:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 234 transitions. [2024-11-07 23:28:56,887 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31283422459893045 [2024-11-07 23:28:56,887 INFO L175 Difference]: Start difference. First operand has 207 places, 307 transitions, 5500 flow. Second operand 22 states and 234 transitions. [2024-11-07 23:28:56,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 228 places, 442 transitions, 7721 flow [2024-11-07 23:28:57,052 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 214 places, 442 transitions, 7380 flow, removed 29 selfloop flow, removed 14 redundant places. [2024-11-07 23:28:57,057 INFO L231 Difference]: Finished difference. Result has 220 places, 354 transitions, 6317 flow [2024-11-07 23:28:57,058 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5181, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=138, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=164, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=6317, PETRI_PLACES=220, PETRI_TRANSITIONS=354} [2024-11-07 23:28:57,058 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 185 predicate places. [2024-11-07 23:28:57,059 INFO L471 AbstractCegarLoop]: Abstraction has has 220 places, 354 transitions, 6317 flow [2024-11-07 23:28:57,059 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:28:57,059 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:57,059 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:57,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-07 23:28:57,059 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:57,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:57,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1615928708, now seen corresponding path program 1 times [2024-11-07 23:28:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:57,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403360918] [2024-11-07 23:28:57,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:57,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:57,415 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 23:28:57,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:57,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403360918] [2024-11-07 23:28:57,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403360918] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:57,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:57,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:28:57,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251250546] [2024-11-07 23:28:57,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:57,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:28:57,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:57,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:28:57,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:28:57,417 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:57,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 220 places, 354 transitions, 6317 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:28:57,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:57,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:57,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:58,102 INFO L124 PetriNetUnfolderBase]: 1826/3479 cut-off events. [2024-11-07 23:28:58,103 INFO L125 PetriNetUnfolderBase]: For 61327/61329 co-relation queries the response was YES. [2024-11-07 23:28:58,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23887 conditions, 3479 events. 1826/3479 cut-off events. For 61327/61329 co-relation queries the response was YES. Maximal size of possible extension queue 256. Compared 24723 event pairs, 847 based on Foata normal form. 14/3367 useless extension candidates. Maximal degree in co-relation 23285. Up to 2924 conditions per place. [2024-11-07 23:28:58,129 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 312 selfloop transitions, 77 changer transitions 16/406 dead transitions. [2024-11-07 23:28:58,129 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 406 transitions, 7437 flow [2024-11-07 23:28:58,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:28:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:28:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-07 23:28:58,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-07 23:28:58,131 INFO L175 Difference]: Start difference. First operand has 220 places, 354 transitions, 6317 flow. Second operand 15 states and 160 transitions. [2024-11-07 23:28:58,132 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 406 transitions, 7437 flow [2024-11-07 23:28:58,356 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 226 places, 406 transitions, 7263 flow, removed 44 selfloop flow, removed 8 redundant places. [2024-11-07 23:28:58,365 INFO L231 Difference]: Finished difference. Result has 233 places, 361 transitions, 6415 flow [2024-11-07 23:28:58,365 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6165, PETRI_DIFFERENCE_MINUEND_PLACES=212, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=70, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6415, PETRI_PLACES=233, PETRI_TRANSITIONS=361} [2024-11-07 23:28:58,366 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 198 predicate places. [2024-11-07 23:28:58,366 INFO L471 AbstractCegarLoop]: Abstraction has has 233 places, 361 transitions, 6415 flow [2024-11-07 23:28:58,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:28:58,366 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:28:58,366 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:28:58,366 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-07 23:28:58,366 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:28:58,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:28:58,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1283461148, now seen corresponding path program 2 times [2024-11-07 23:28:58,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:28:58,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459255682] [2024-11-07 23:28:58,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:28:58,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:28:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:28:58,822 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 23:28:58,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:28:58,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459255682] [2024-11-07 23:28:58,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459255682] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:28:58,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:28:58,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:28:58,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511725164] [2024-11-07 23:28:58,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:28:58,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:28:58,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:28:58,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:28:58,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:28:58,825 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:28:58,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 233 places, 361 transitions, 6415 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:28:58,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:28:58,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:28:58,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:28:59,803 INFO L124 PetriNetUnfolderBase]: 2082/3988 cut-off events. [2024-11-07 23:28:59,804 INFO L125 PetriNetUnfolderBase]: For 77206/77208 co-relation queries the response was YES. [2024-11-07 23:28:59,823 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26891 conditions, 3988 events. 2082/3988 cut-off events. For 77206/77208 co-relation queries the response was YES. Maximal size of possible extension queue 301. Compared 29265 event pairs, 887 based on Foata normal form. 28/3890 useless extension candidates. Maximal degree in co-relation 26285. Up to 2918 conditions per place. [2024-11-07 23:28:59,838 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 370 selfloop transitions, 95 changer transitions 8/474 dead transitions. [2024-11-07 23:28:59,839 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 249 places, 474 transitions, 8576 flow [2024-11-07 23:28:59,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:28:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:28:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 217 transitions. [2024-11-07 23:28:59,841 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.33591331269349844 [2024-11-07 23:28:59,841 INFO L175 Difference]: Start difference. First operand has 233 places, 361 transitions, 6415 flow. Second operand 19 states and 217 transitions. [2024-11-07 23:28:59,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 249 places, 474 transitions, 8576 flow [2024-11-07 23:29:00,140 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 241 places, 474 transitions, 8384 flow, removed 54 selfloop flow, removed 8 redundant places. [2024-11-07 23:29:00,147 INFO L231 Difference]: Finished difference. Result has 250 places, 391 transitions, 7116 flow [2024-11-07 23:29:00,148 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6284, PETRI_DIFFERENCE_MINUEND_PLACES=223, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=361, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=281, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7116, PETRI_PLACES=250, PETRI_TRANSITIONS=391} [2024-11-07 23:29:00,149 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 215 predicate places. [2024-11-07 23:29:00,149 INFO L471 AbstractCegarLoop]: Abstraction has has 250 places, 391 transitions, 7116 flow [2024-11-07 23:29:00,150 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:00,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:00,150 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:00,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-07 23:29:00,150 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:00,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1281673688, now seen corresponding path program 3 times [2024-11-07 23:29:00,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:00,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648052566] [2024-11-07 23:29:00,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:00,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:00,421 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 23:29:00,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:00,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648052566] [2024-11-07 23:29:00,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648052566] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:00,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:00,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:00,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517088048] [2024-11-07 23:29:00,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:00,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:00,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:00,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:00,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:00,423 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:00,423 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 250 places, 391 transitions, 7116 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:00,423 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:00,423 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:00,424 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:01,326 INFO L124 PetriNetUnfolderBase]: 2046/3930 cut-off events. [2024-11-07 23:29:01,327 INFO L125 PetriNetUnfolderBase]: For 78405/78407 co-relation queries the response was YES. [2024-11-07 23:29:01,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27059 conditions, 3930 events. 2046/3930 cut-off events. For 78405/78407 co-relation queries the response was YES. Maximal size of possible extension queue 294. Compared 28839 event pairs, 871 based on Foata normal form. 28/3832 useless extension candidates. Maximal degree in co-relation 26605. Up to 2918 conditions per place. [2024-11-07 23:29:01,359 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 366 selfloop transitions, 97 changer transitions 6/470 dead transitions. [2024-11-07 23:29:01,359 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 470 transitions, 8698 flow [2024-11-07 23:29:01,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:29:01,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:29:01,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-07 23:29:01,360 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-07 23:29:01,360 INFO L175 Difference]: Start difference. First operand has 250 places, 391 transitions, 7116 flow. Second operand 19 states and 210 transitions. [2024-11-07 23:29:01,360 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 470 transitions, 8698 flow [2024-11-07 23:29:01,801 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 263 places, 470 transitions, 8461 flow, removed 99 selfloop flow, removed 4 redundant places. [2024-11-07 23:29:01,808 INFO L231 Difference]: Finished difference. Result has 271 places, 398 transitions, 7319 flow [2024-11-07 23:29:01,809 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6927, PETRI_DIFFERENCE_MINUEND_PLACES=245, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=295, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=7319, PETRI_PLACES=271, PETRI_TRANSITIONS=398} [2024-11-07 23:29:01,809 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 236 predicate places. [2024-11-07 23:29:01,810 INFO L471 AbstractCegarLoop]: Abstraction has has 271 places, 398 transitions, 7319 flow [2024-11-07 23:29:01,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:01,810 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:01,810 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:01,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-07 23:29:01,810 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:01,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:01,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1714398118, now seen corresponding path program 1 times [2024-11-07 23:29:01,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:01,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193954166] [2024-11-07 23:29:01,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:01,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:01,859 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 23:29:01,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:01,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193954166] [2024-11-07 23:29:01,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193954166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:01,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:01,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 23:29:01,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14069529] [2024-11-07 23:29:01,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:01,870 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 23:29:01,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:01,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 23:29:01,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 23:29:01,873 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 34 [2024-11-07 23:29:01,873 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 271 places, 398 transitions, 7319 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 23:29:01,873 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:01,873 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 34 [2024-11-07 23:29:01,873 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:02,249 INFO L124 PetriNetUnfolderBase]: 1153/2232 cut-off events. [2024-11-07 23:29:02,249 INFO L125 PetriNetUnfolderBase]: For 42683/42683 co-relation queries the response was YES. [2024-11-07 23:29:02,260 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15062 conditions, 2232 events. 1153/2232 cut-off events. For 42683/42683 co-relation queries the response was YES. Maximal size of possible extension queue 167. Compared 15233 event pairs, 228 based on Foata normal form. 0/2168 useless extension candidates. Maximal degree in co-relation 14848. Up to 1416 conditions per place. [2024-11-07 23:29:02,266 INFO L140 encePairwiseOnDemand]: 31/34 looper letters, 365 selfloop transitions, 46 changer transitions 19/430 dead transitions. [2024-11-07 23:29:02,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 430 transitions, 9020 flow [2024-11-07 23:29:02,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 23:29:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-07 23:29:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 66 transitions. [2024-11-07 23:29:02,272 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4852941176470588 [2024-11-07 23:29:02,272 INFO L175 Difference]: Start difference. First operand has 271 places, 398 transitions, 7319 flow. Second operand 4 states and 66 transitions. [2024-11-07 23:29:02,272 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 430 transitions, 9020 flow [2024-11-07 23:29:02,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 254 places, 430 transitions, 8629 flow, removed 54 selfloop flow, removed 15 redundant places. [2024-11-07 23:29:02,400 INFO L231 Difference]: Finished difference. Result has 254 places, 285 transitions, 5175 flow [2024-11-07 23:29:02,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5312, PETRI_DIFFERENCE_MINUEND_PLACES=251, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=46, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=253, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=5175, PETRI_PLACES=254, PETRI_TRANSITIONS=285} [2024-11-07 23:29:02,400 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 219 predicate places. [2024-11-07 23:29:02,401 INFO L471 AbstractCegarLoop]: Abstraction has has 254 places, 285 transitions, 5175 flow [2024-11-07 23:29:02,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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 23:29:02,401 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:02,401 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:02,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-07 23:29:02,401 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:02,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:02,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1144929476, now seen corresponding path program 4 times [2024-11-07 23:29:02,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:02,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050360376] [2024-11-07 23:29:02,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:02,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:02,723 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 23:29:02,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:02,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050360376] [2024-11-07 23:29:02,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050360376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:02,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:02,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154871492] [2024-11-07 23:29:02,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:02,723 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:02,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:02,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:02,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:02,724 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:02,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 254 places, 285 transitions, 5175 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:02,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:02,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:02,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:03,323 INFO L124 PetriNetUnfolderBase]: 1131/2190 cut-off events. [2024-11-07 23:29:03,323 INFO L125 PetriNetUnfolderBase]: For 32492/32492 co-relation queries the response was YES. [2024-11-07 23:29:03,334 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14707 conditions, 2190 events. 1131/2190 cut-off events. For 32492/32492 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 14245 event pairs, 444 based on Foata normal form. 26/2152 useless extension candidates. Maximal degree in co-relation 14611. Up to 1547 conditions per place. [2024-11-07 23:29:03,340 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 216 selfloop transitions, 106 changer transitions 16/338 dead transitions. [2024-11-07 23:29:03,340 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 258 places, 338 transitions, 6471 flow [2024-11-07 23:29:03,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 23:29:03,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 23:29:03,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 152 transitions. [2024-11-07 23:29:03,341 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31932773109243695 [2024-11-07 23:29:03,341 INFO L175 Difference]: Start difference. First operand has 254 places, 285 transitions, 5175 flow. Second operand 14 states and 152 transitions. [2024-11-07 23:29:03,341 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 258 places, 338 transitions, 6471 flow [2024-11-07 23:29:03,473 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 338 transitions, 6319 flow, removed 17 selfloop flow, removed 9 redundant places. [2024-11-07 23:29:03,477 INFO L231 Difference]: Finished difference. Result has 252 places, 291 transitions, 5473 flow [2024-11-07 23:29:03,478 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5056, PETRI_DIFFERENCE_MINUEND_PLACES=236, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=284, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=97, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=185, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=5473, PETRI_PLACES=252, PETRI_TRANSITIONS=291} [2024-11-07 23:29:03,478 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 217 predicate places. [2024-11-07 23:29:03,478 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 291 transitions, 5473 flow [2024-11-07 23:29:03,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:03,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:03,479 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:03,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-07 23:29:03,479 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:03,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:03,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1283457626, now seen corresponding path program 5 times [2024-11-07 23:29:03,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:03,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858472570] [2024-11-07 23:29:03,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:03,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:03,756 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 23:29:03,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:03,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858472570] [2024-11-07 23:29:03,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858472570] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:03,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:03,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:03,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596168256] [2024-11-07 23:29:03,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:03,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:03,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:03,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:03,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:03,759 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:03,759 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 291 transitions, 5473 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:03,759 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:03,759 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:03,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:04,526 INFO L124 PetriNetUnfolderBase]: 1217/2386 cut-off events. [2024-11-07 23:29:04,526 INFO L125 PetriNetUnfolderBase]: For 35988/35988 co-relation queries the response was YES. [2024-11-07 23:29:04,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15743 conditions, 2386 events. 1217/2386 cut-off events. For 35988/35988 co-relation queries the response was YES. Maximal size of possible extension queue 184. Compared 16039 event pairs, 500 based on Foata normal form. 16/2338 useless extension candidates. Maximal degree in co-relation 15454. Up to 1703 conditions per place. [2024-11-07 23:29:04,540 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 262 selfloop transitions, 94 changer transitions 15/371 dead transitions. [2024-11-07 23:29:04,541 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 269 places, 371 transitions, 6924 flow [2024-11-07 23:29:04,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-07 23:29:04,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-07 23:29:04,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 191 transitions. [2024-11-07 23:29:04,543 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.31209150326797386 [2024-11-07 23:29:04,543 INFO L175 Difference]: Start difference. First operand has 252 places, 291 transitions, 5473 flow. Second operand 18 states and 191 transitions. [2024-11-07 23:29:04,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 269 places, 371 transitions, 6924 flow [2024-11-07 23:29:04,680 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 264 places, 371 transitions, 6818 flow, removed 20 selfloop flow, removed 5 redundant places. [2024-11-07 23:29:04,684 INFO L231 Difference]: Finished difference. Result has 269 places, 299 transitions, 5803 flow [2024-11-07 23:29:04,685 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5387, PETRI_DIFFERENCE_MINUEND_PLACES=247, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=84, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=5803, PETRI_PLACES=269, PETRI_TRANSITIONS=299} [2024-11-07 23:29:04,685 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 234 predicate places. [2024-11-07 23:29:04,685 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 299 transitions, 5803 flow [2024-11-07 23:29:04,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:04,685 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:04,685 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:04,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-07 23:29:04,686 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:04,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:04,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265565, now seen corresponding path program 1 times [2024-11-07 23:29:04,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:04,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716596298] [2024-11-07 23:29:04,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:04,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:04,948 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 23:29:04,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:04,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716596298] [2024-11-07 23:29:04,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716596298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:04,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:04,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:04,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579995086] [2024-11-07 23:29:04,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:04,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:04,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:04,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:04,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:04,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:04,951 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 299 transitions, 5803 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:04,951 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:04,951 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:04,951 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:05,793 INFO L124 PetriNetUnfolderBase]: 1219/2414 cut-off events. [2024-11-07 23:29:05,794 INFO L125 PetriNetUnfolderBase]: For 39779/39779 co-relation queries the response was YES. [2024-11-07 23:29:05,802 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16551 conditions, 2414 events. 1219/2414 cut-off events. For 39779/39779 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 16326 event pairs, 433 based on Foata normal form. 0/2382 useless extension candidates. Maximal degree in co-relation 16272. Up to 882 conditions per place. [2024-11-07 23:29:05,808 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 231 selfloop transitions, 142 changer transitions 17/390 dead transitions. [2024-11-07 23:29:05,808 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 390 transitions, 7625 flow [2024-11-07 23:29:05,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 224 transitions. [2024-11-07 23:29:05,810 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2864450127877238 [2024-11-07 23:29:05,810 INFO L175 Difference]: Start difference. First operand has 269 places, 299 transitions, 5803 flow. Second operand 23 states and 224 transitions. [2024-11-07 23:29:05,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 390 transitions, 7625 flow [2024-11-07 23:29:05,964 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 283 places, 390 transitions, 7463 flow, removed 36 selfloop flow, removed 8 redundant places. [2024-11-07 23:29:05,969 INFO L231 Difference]: Finished difference. Result has 288 places, 311 transitions, 6239 flow [2024-11-07 23:29:05,969 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5643, PETRI_DIFFERENCE_MINUEND_PLACES=261, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=299, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6239, PETRI_PLACES=288, PETRI_TRANSITIONS=311} [2024-11-07 23:29:05,969 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 253 predicate places. [2024-11-07 23:29:05,969 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 311 transitions, 6239 flow [2024-11-07 23:29:05,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:05,970 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:05,970 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:05,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-07 23:29:05,970 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:05,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:05,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1285245086, now seen corresponding path program 6 times [2024-11-07 23:29:05,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:05,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803641937] [2024-11-07 23:29:05,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:05,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:06,227 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 23:29:06,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:06,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803641937] [2024-11-07 23:29:06,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803641937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:06,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:06,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:06,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901623695] [2024-11-07 23:29:06,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:06,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:06,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:06,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:06,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:06,228 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:06,229 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 311 transitions, 6239 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:06,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:06,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:06,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:06,848 INFO L124 PetriNetUnfolderBase]: 1175/2326 cut-off events. [2024-11-07 23:29:06,848 INFO L125 PetriNetUnfolderBase]: For 41852/41852 co-relation queries the response was YES. [2024-11-07 23:29:06,860 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16378 conditions, 2326 events. 1175/2326 cut-off events. For 41852/41852 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15650 event pairs, 484 based on Foata normal form. 16/2342 useless extension candidates. Maximal degree in co-relation 16065. Up to 1732 conditions per place. [2024-11-07 23:29:06,867 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 254 selfloop transitions, 92 changer transitions 12/358 dead transitions. [2024-11-07 23:29:06,867 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 300 places, 358 transitions, 7191 flow [2024-11-07 23:29:06,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:06,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 160 transitions. [2024-11-07 23:29:06,868 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3137254901960784 [2024-11-07 23:29:06,868 INFO L175 Difference]: Start difference. First operand has 288 places, 311 transitions, 6239 flow. Second operand 15 states and 160 transitions. [2024-11-07 23:29:06,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 300 places, 358 transitions, 7191 flow [2024-11-07 23:29:07,037 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 288 places, 358 transitions, 7000 flow, removed 17 selfloop flow, removed 12 redundant places. [2024-11-07 23:29:07,042 INFO L231 Difference]: Finished difference. Result has 291 places, 311 transitions, 6258 flow [2024-11-07 23:29:07,042 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6051, PETRI_DIFFERENCE_MINUEND_PLACES=274, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=311, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=88, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6258, PETRI_PLACES=291, PETRI_TRANSITIONS=311} [2024-11-07 23:29:07,043 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2024-11-07 23:29:07,043 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 311 transitions, 6258 flow [2024-11-07 23:29:07,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:07,043 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:07,043 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:07,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-07 23:29:07,043 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:07,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:07,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1139265566, now seen corresponding path program 1 times [2024-11-07 23:29:07,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:07,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589718208] [2024-11-07 23:29:07,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:07,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:07,224 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 23:29:07,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:07,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589718208] [2024-11-07 23:29:07,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589718208] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:07,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:07,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:07,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263049072] [2024-11-07 23:29:07,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:07,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:07,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:07,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:07,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:07,226 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:07,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 311 transitions, 6258 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:07,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:07,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:07,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:07,839 INFO L124 PetriNetUnfolderBase]: 1093/2172 cut-off events. [2024-11-07 23:29:07,839 INFO L125 PetriNetUnfolderBase]: For 42385/42385 co-relation queries the response was YES. [2024-11-07 23:29:07,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15587 conditions, 2172 events. 1093/2172 cut-off events. For 42385/42385 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 14419 event pairs, 225 based on Foata normal form. 32/2204 useless extension candidates. Maximal degree in co-relation 15276. Up to 490 conditions per place. [2024-11-07 23:29:07,857 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 212 selfloop transitions, 123 changer transitions 32/367 dead transitions. [2024-11-07 23:29:07,857 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 307 places, 367 transitions, 7425 flow [2024-11-07 23:29:07,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:07,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:07,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 185 transitions. [2024-11-07 23:29:07,858 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32006920415224915 [2024-11-07 23:29:07,858 INFO L175 Difference]: Start difference. First operand has 291 places, 311 transitions, 6258 flow. Second operand 17 states and 185 transitions. [2024-11-07 23:29:07,858 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 307 places, 367 transitions, 7425 flow [2024-11-07 23:29:08,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 299 places, 367 transitions, 7245 flow, removed 12 selfloop flow, removed 8 redundant places. [2024-11-07 23:29:08,028 INFO L231 Difference]: Finished difference. Result has 300 places, 296 transitions, 5964 flow [2024-11-07 23:29:08,029 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=6061, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=310, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=116, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=5964, PETRI_PLACES=300, PETRI_TRANSITIONS=296} [2024-11-07 23:29:08,030 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 265 predicate places. [2024-11-07 23:29:08,030 INFO L471 AbstractCegarLoop]: Abstraction has has 300 places, 296 transitions, 5964 flow [2024-11-07 23:29:08,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:08,030 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:08,030 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:08,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-07 23:29:08,030 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:08,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:08,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1139480605, now seen corresponding path program 2 times [2024-11-07 23:29:08,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:08,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429476492] [2024-11-07 23:29:08,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:08,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:08,474 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 23:29:08,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:08,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429476492] [2024-11-07 23:29:08,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429476492] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:08,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:08,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:08,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258033652] [2024-11-07 23:29:08,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:08,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:08,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:08,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:08,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:08,478 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:08,478 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 300 places, 296 transitions, 5964 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:08,478 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:08,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:08,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:09,119 INFO L124 PetriNetUnfolderBase]: 982/1953 cut-off events. [2024-11-07 23:29:09,119 INFO L125 PetriNetUnfolderBase]: For 38143/38143 co-relation queries the response was YES. [2024-11-07 23:29:09,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14423 conditions, 1953 events. 982/1953 cut-off events. For 38143/38143 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 12587 event pairs, 396 based on Foata normal form. 16/1969 useless extension candidates. Maximal degree in co-relation 14111. Up to 1479 conditions per place. [2024-11-07 23:29:09,133 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 197 selfloop transitions, 58 changer transitions 67/322 dead transitions. [2024-11-07 23:29:09,133 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 305 places, 322 transitions, 6656 flow [2024-11-07 23:29:09,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-07 23:29:09,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2024-11-07 23:29:09,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 143 transitions. [2024-11-07 23:29:09,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.3004201680672269 [2024-11-07 23:29:09,135 INFO L175 Difference]: Start difference. First operand has 300 places, 296 transitions, 5964 flow. Second operand 14 states and 143 transitions. [2024-11-07 23:29:09,136 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 305 places, 322 transitions, 6656 flow [2024-11-07 23:29:09,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 292 places, 322 transitions, 6365 flow, removed 29 selfloop flow, removed 13 redundant places. [2024-11-07 23:29:09,286 INFO L231 Difference]: Finished difference. Result has 292 places, 241 transitions, 4628 flow [2024-11-07 23:29:09,287 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=5641, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=294, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=4628, PETRI_PLACES=292, PETRI_TRANSITIONS=241} [2024-11-07 23:29:09,288 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 257 predicate places. [2024-11-07 23:29:09,288 INFO L471 AbstractCegarLoop]: Abstraction has has 292 places, 241 transitions, 4628 flow [2024-11-07 23:29:09,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:09,288 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:09,288 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:09,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-07 23:29:09,288 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:09,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:09,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023714, now seen corresponding path program 7 times [2024-11-07 23:29:09,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:09,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576596225] [2024-11-07 23:29:09,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:09,461 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 23:29:09,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:09,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576596225] [2024-11-07 23:29:09,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576596225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:09,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:09,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:09,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931717186] [2024-11-07 23:29:09,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:09,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:09,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:09,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:09,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:09,463 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:09,463 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 292 places, 241 transitions, 4628 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:09,464 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:09,464 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:09,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:09,969 INFO L124 PetriNetUnfolderBase]: 951/1908 cut-off events. [2024-11-07 23:29:09,970 INFO L125 PetriNetUnfolderBase]: For 30415/30415 co-relation queries the response was YES. [2024-11-07 23:29:09,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12768 conditions, 1908 events. 951/1908 cut-off events. For 30415/30415 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 12414 event pairs, 165 based on Foata normal form. 48/1956 useless extension candidates. Maximal degree in co-relation 12537. Up to 583 conditions per place. [2024-11-07 23:29:09,984 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 189 selfloop transitions, 116 changer transitions 7/312 dead transitions. [2024-11-07 23:29:09,984 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 312 transitions, 5901 flow [2024-11-07 23:29:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:09,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 188 transitions. [2024-11-07 23:29:09,986 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32525951557093424 [2024-11-07 23:29:09,986 INFO L175 Difference]: Start difference. First operand has 292 places, 241 transitions, 4628 flow. Second operand 17 states and 188 transitions. [2024-11-07 23:29:09,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 312 transitions, 5901 flow [2024-11-07 23:29:10,129 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 262 places, 312 transitions, 5412 flow, removed 44 selfloop flow, removed 35 redundant places. [2024-11-07 23:29:10,132 INFO L231 Difference]: Finished difference. Result has 268 places, 253 transitions, 4691 flow [2024-11-07 23:29:10,133 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4183, PETRI_DIFFERENCE_MINUEND_PLACES=246, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=241, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=102, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=4691, PETRI_PLACES=268, PETRI_TRANSITIONS=253} [2024-11-07 23:29:10,134 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 233 predicate places. [2024-11-07 23:29:10,134 INFO L471 AbstractCegarLoop]: Abstraction has has 268 places, 253 transitions, 4691 flow [2024-11-07 23:29:10,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:10,134 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:10,134 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:10,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-07 23:29:10,134 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:10,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:10,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1986023715, now seen corresponding path program 3 times [2024-11-07 23:29:10,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:10,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236214291] [2024-11-07 23:29:10,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:10,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:10,418 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 23:29:10,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:10,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236214291] [2024-11-07 23:29:10,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236214291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:10,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:10,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:10,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822665058] [2024-11-07 23:29:10,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:10,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:10,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:10,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:10,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:10,419 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:10,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 268 places, 253 transitions, 4691 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:10,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:10,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:10,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:11,078 INFO L124 PetriNetUnfolderBase]: 879/1768 cut-off events. [2024-11-07 23:29:11,078 INFO L125 PetriNetUnfolderBase]: For 26828/26828 co-relation queries the response was YES. [2024-11-07 23:29:11,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11932 conditions, 1768 events. 879/1768 cut-off events. For 26828/26828 co-relation queries the response was YES. Maximal size of possible extension queue 141. Compared 11273 event pairs, 290 based on Foata normal form. 38/1806 useless extension candidates. Maximal degree in co-relation 11705. Up to 781 conditions per place. [2024-11-07 23:29:11,092 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 190 selfloop transitions, 79 changer transitions 50/319 dead transitions. [2024-11-07 23:29:11,092 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 290 places, 319 transitions, 5863 flow [2024-11-07 23:29:11,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-07 23:29:11,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-07 23:29:11,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 219 transitions. [2024-11-07 23:29:11,093 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.28005115089514065 [2024-11-07 23:29:11,093 INFO L175 Difference]: Start difference. First operand has 268 places, 253 transitions, 4691 flow. Second operand 23 states and 219 transitions. [2024-11-07 23:29:11,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 290 places, 319 transitions, 5863 flow [2024-11-07 23:29:11,191 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 280 places, 319 transitions, 5551 flow, removed 38 selfloop flow, removed 10 redundant places. [2024-11-07 23:29:11,195 INFO L231 Difference]: Finished difference. Result has 280 places, 230 transitions, 4133 flow [2024-11-07 23:29:11,195 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4381, PETRI_DIFFERENCE_MINUEND_PLACES=258, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=79, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=173, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=4133, PETRI_PLACES=280, PETRI_TRANSITIONS=230} [2024-11-07 23:29:11,195 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 245 predicate places. [2024-11-07 23:29:11,196 INFO L471 AbstractCegarLoop]: Abstraction has has 280 places, 230 transitions, 4133 flow [2024-11-07 23:29:11,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:11,196 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:11,196 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:11,196 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-07 23:29:11,196 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:11,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:11,196 INFO L85 PathProgramCache]: Analyzing trace with hash 468706782, now seen corresponding path program 2 times [2024-11-07 23:29:11,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:11,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010761941] [2024-11-07 23:29:11,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:11,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:11,620 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 23:29:11,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:11,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010761941] [2024-11-07 23:29:11,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010761941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:11,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:11,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867377849] [2024-11-07 23:29:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:11,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:11,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:11,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:11,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:11,622 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:11,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 280 places, 230 transitions, 4133 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:11,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:11,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:11,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:12,640 INFO L124 PetriNetUnfolderBase]: 826/1645 cut-off events. [2024-11-07 23:29:12,640 INFO L125 PetriNetUnfolderBase]: For 21862/21862 co-relation queries the response was YES. [2024-11-07 23:29:12,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10902 conditions, 1645 events. 826/1645 cut-off events. For 21862/21862 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 10169 event pairs, 267 based on Foata normal form. 16/1661 useless extension candidates. Maximal degree in co-relation 10678. Up to 797 conditions per place. [2024-11-07 23:29:12,654 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 181 selfloop transitions, 106 changer transitions 5/292 dead transitions. [2024-11-07 23:29:12,655 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 297 places, 292 transitions, 5255 flow [2024-11-07 23:29:12,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-07 23:29:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-07 23:29:12,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 240 transitions. [2024-11-07 23:29:12,656 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26143790849673204 [2024-11-07 23:29:12,656 INFO L175 Difference]: Start difference. First operand has 280 places, 230 transitions, 4133 flow. Second operand 27 states and 240 transitions. [2024-11-07 23:29:12,656 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 297 places, 292 transitions, 5255 flow [2024-11-07 23:29:12,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 281 places, 292 transitions, 4942 flow, removed 47 selfloop flow, removed 16 redundant places. [2024-11-07 23:29:12,733 INFO L231 Difference]: Finished difference. Result has 287 places, 244 transitions, 4423 flow [2024-11-07 23:29:12,733 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3878, PETRI_DIFFERENCE_MINUEND_PLACES=255, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=230, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=92, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=4423, PETRI_PLACES=287, PETRI_TRANSITIONS=244} [2024-11-07 23:29:12,734 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 252 predicate places. [2024-11-07 23:29:12,734 INFO L471 AbstractCegarLoop]: Abstraction has has 287 places, 244 transitions, 4423 flow [2024-11-07 23:29:12,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:12,734 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:12,734 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:12,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-07 23:29:12,734 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:12,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:12,734 INFO L85 PathProgramCache]: Analyzing trace with hash 728782212, now seen corresponding path program 3 times [2024-11-07 23:29:12,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:12,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731493761] [2024-11-07 23:29:12,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:12,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:12,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:13,076 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 23:29:13,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:13,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731493761] [2024-11-07 23:29:13,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731493761] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:13,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:13,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:13,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613014343] [2024-11-07 23:29:13,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:13,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:13,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:13,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:13,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:13,078 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:13,079 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 287 places, 244 transitions, 4423 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:13,079 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:13,079 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:13,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:13,900 INFO L124 PetriNetUnfolderBase]: 944/1883 cut-off events. [2024-11-07 23:29:13,900 INFO L125 PetriNetUnfolderBase]: For 21270/21270 co-relation queries the response was YES. [2024-11-07 23:29:13,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11984 conditions, 1883 events. 944/1883 cut-off events. For 21270/21270 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 12160 event pairs, 275 based on Foata normal form. 8/1891 useless extension candidates. Maximal degree in co-relation 11760. Up to 833 conditions per place. [2024-11-07 23:29:13,913 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 189 selfloop transitions, 115 changer transitions 5/309 dead transitions. [2024-11-07 23:29:13,913 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 312 places, 309 transitions, 5458 flow [2024-11-07 23:29:13,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-07 23:29:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-07 23:29:13,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 227 transitions. [2024-11-07 23:29:13,914 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25678733031674206 [2024-11-07 23:29:13,914 INFO L175 Difference]: Start difference. First operand has 287 places, 244 transitions, 4423 flow. Second operand 26 states and 227 transitions. [2024-11-07 23:29:13,914 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 312 places, 309 transitions, 5458 flow [2024-11-07 23:29:14,010 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 297 places, 309 transitions, 5294 flow, removed 15 selfloop flow, removed 15 redundant places. [2024-11-07 23:29:14,014 INFO L231 Difference]: Finished difference. Result has 299 places, 252 transitions, 4696 flow [2024-11-07 23:29:14,015 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4265, PETRI_DIFFERENCE_MINUEND_PLACES=272, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=134, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=4696, PETRI_PLACES=299, PETRI_TRANSITIONS=252} [2024-11-07 23:29:14,015 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 264 predicate places. [2024-11-07 23:29:14,015 INFO L471 AbstractCegarLoop]: Abstraction has has 299 places, 252 transitions, 4696 flow [2024-11-07 23:29:14,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:14,015 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:14,015 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:14,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-07 23:29:14,015 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:14,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:14,016 INFO L85 PathProgramCache]: Analyzing trace with hash 487783842, now seen corresponding path program 8 times [2024-11-07 23:29:14,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:14,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800470063] [2024-11-07 23:29:14,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:14,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:14,167 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 23:29:14,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:14,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800470063] [2024-11-07 23:29:14,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800470063] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:14,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:14,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-07 23:29:14,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712664724] [2024-11-07 23:29:14,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:14,168 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-07 23:29:14,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-07 23:29:14,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-07 23:29:14,169 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:14,169 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 299 places, 252 transitions, 4696 flow. Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:14,169 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:14,169 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:14,169 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:14,773 INFO L124 PetriNetUnfolderBase]: 988/1989 cut-off events. [2024-11-07 23:29:14,774 INFO L125 PetriNetUnfolderBase]: For 25126/25126 co-relation queries the response was YES. [2024-11-07 23:29:14,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12732 conditions, 1989 events. 988/1989 cut-off events. For 25126/25126 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 13190 event pairs, 179 based on Foata normal form. 38/2027 useless extension candidates. Maximal degree in co-relation 12381. Up to 313 conditions per place. [2024-11-07 23:29:14,788 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 202 selfloop transitions, 112 changer transitions 9/323 dead transitions. [2024-11-07 23:29:14,788 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 317 places, 323 transitions, 5849 flow [2024-11-07 23:29:14,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-07 23:29:14,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-07 23:29:14,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 210 transitions. [2024-11-07 23:29:14,789 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.32507739938080493 [2024-11-07 23:29:14,789 INFO L175 Difference]: Start difference. First operand has 299 places, 252 transitions, 4696 flow. Second operand 19 states and 210 transitions. [2024-11-07 23:29:14,789 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 317 places, 323 transitions, 5849 flow [2024-11-07 23:29:14,869 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 323 transitions, 5717 flow, removed 30 selfloop flow, removed 12 redundant places. [2024-11-07 23:29:14,873 INFO L231 Difference]: Finished difference. Result has 310 places, 252 transitions, 4871 flow [2024-11-07 23:29:14,873 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4602, PETRI_DIFFERENCE_MINUEND_PLACES=287, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=109, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=4871, PETRI_PLACES=310, PETRI_TRANSITIONS=252} [2024-11-07 23:29:14,874 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 275 predicate places. [2024-11-07 23:29:14,874 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 252 transitions, 4871 flow [2024-11-07 23:29:14,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 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 23:29:14,874 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:14,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:14,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-07 23:29:14,874 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:14,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash -2114789132, now seen corresponding path program 4 times [2024-11-07 23:29:14,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:14,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324674798] [2024-11-07 23:29:14,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:15,147 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 23:29:15,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:15,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324674798] [2024-11-07 23:29:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324674798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:15,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:15,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:15,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717273385] [2024-11-07 23:29:15,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:15,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:15,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:15,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:15,149 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:15,149 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 252 transitions, 4871 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:15,149 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:15,149 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:15,150 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:16,001 INFO L124 PetriNetUnfolderBase]: 884/1799 cut-off events. [2024-11-07 23:29:16,001 INFO L125 PetriNetUnfolderBase]: For 25093/25093 co-relation queries the response was YES. [2024-11-07 23:29:16,009 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11898 conditions, 1799 events. 884/1799 cut-off events. For 25093/25093 co-relation queries the response was YES. Maximal size of possible extension queue 152. Compared 11756 event pairs, 236 based on Foata normal form. 56/1855 useless extension candidates. Maximal degree in co-relation 11650. Up to 983 conditions per place. [2024-11-07 23:29:16,014 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 217 selfloop transitions, 91 changer transitions 5/313 dead transitions. [2024-11-07 23:29:16,014 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 336 places, 313 transitions, 5827 flow [2024-11-07 23:29:16,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-07 23:29:16,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-07 23:29:16,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 250 transitions. [2024-11-07 23:29:16,015 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26260504201680673 [2024-11-07 23:29:16,015 INFO L175 Difference]: Start difference. First operand has 310 places, 252 transitions, 4871 flow. Second operand 28 states and 250 transitions. [2024-11-07 23:29:16,015 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 336 places, 313 transitions, 5827 flow [2024-11-07 23:29:16,099 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 306 places, 313 transitions, 5214 flow, removed 120 selfloop flow, removed 30 redundant places. [2024-11-07 23:29:16,102 INFO L231 Difference]: Finished difference. Result has 306 places, 253 transitions, 4497 flow [2024-11-07 23:29:16,103 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4301, PETRI_DIFFERENCE_MINUEND_PLACES=279, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=89, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=4497, PETRI_PLACES=306, PETRI_TRANSITIONS=253} [2024-11-07 23:29:16,103 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 271 predicate places. [2024-11-07 23:29:16,103 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 253 transitions, 4497 flow [2024-11-07 23:29:16,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:16,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:16,104 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:16,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-07 23:29:16,104 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:16,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:16,104 INFO L85 PathProgramCache]: Analyzing trace with hash 294059473, now seen corresponding path program 2 times [2024-11-07 23:29:16,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:16,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213424173] [2024-11-07 23:29:16,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:16,429 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 23:29:16,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:16,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213424173] [2024-11-07 23:29:16,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213424173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:16,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:16,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:16,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974563614] [2024-11-07 23:29:16,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:16,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:16,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:16,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:16,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:16,430 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:16,430 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 253 transitions, 4497 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:16,430 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:16,431 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:16,431 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:17,125 INFO L124 PetriNetUnfolderBase]: 844/1727 cut-off events. [2024-11-07 23:29:17,125 INFO L125 PetriNetUnfolderBase]: For 15995/15995 co-relation queries the response was YES. [2024-11-07 23:29:17,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10618 conditions, 1727 events. 844/1727 cut-off events. For 15995/15995 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 11202 event pairs, 308 based on Foata normal form. 32/1759 useless extension candidates. Maximal degree in co-relation 10227. Up to 646 conditions per place. [2024-11-07 23:29:17,136 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 178 selfloop transitions, 80 changer transitions 40/298 dead transitions. [2024-11-07 23:29:17,136 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 298 transitions, 5319 flow [2024-11-07 23:29:17,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:17,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:17,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 218 transitions. [2024-11-07 23:29:17,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.26715686274509803 [2024-11-07 23:29:17,138 INFO L175 Difference]: Start difference. First operand has 306 places, 253 transitions, 4497 flow. Second operand 24 states and 218 transitions. [2024-11-07 23:29:17,138 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 298 transitions, 5319 flow [2024-11-07 23:29:17,190 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 298 transitions, 5032 flow, removed 6 selfloop flow, removed 24 redundant places. [2024-11-07 23:29:17,193 INFO L231 Difference]: Finished difference. Result has 306 places, 230 transitions, 3901 flow [2024-11-07 23:29:17,194 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=4204, PETRI_DIFFERENCE_MINUEND_PLACES=282, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=252, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3901, PETRI_PLACES=306, PETRI_TRANSITIONS=230} [2024-11-07 23:29:17,194 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 271 predicate places. [2024-11-07 23:29:17,194 INFO L471 AbstractCegarLoop]: Abstraction has has 306 places, 230 transitions, 3901 flow [2024-11-07 23:29:17,194 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:17,194 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:17,194 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:17,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-07 23:29:17,194 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:17,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:17,195 INFO L85 PathProgramCache]: Analyzing trace with hash 293844433, now seen corresponding path program 4 times [2024-11-07 23:29:17,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:17,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771596378] [2024-11-07 23:29:17,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:17,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:17,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:17,433 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 23:29:17,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:17,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771596378] [2024-11-07 23:29:17,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771596378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:17,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:17,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:17,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074251247] [2024-11-07 23:29:17,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:17,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:17,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:17,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:17,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:17,434 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:17,434 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 306 places, 230 transitions, 3901 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:17,434 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:17,434 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:17,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:17,922 INFO L124 PetriNetUnfolderBase]: 734/1527 cut-off events. [2024-11-07 23:29:17,922 INFO L125 PetriNetUnfolderBase]: For 12814/12814 co-relation queries the response was YES. [2024-11-07 23:29:17,929 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8977 conditions, 1527 events. 734/1527 cut-off events. For 12814/12814 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 9713 event pairs, 290 based on Foata normal form. 28/1555 useless extension candidates. Maximal degree in co-relation 8671. Up to 573 conditions per place. [2024-11-07 23:29:17,932 INFO L140 encePairwiseOnDemand]: 20/34 looper letters, 143 selfloop transitions, 68 changer transitions 63/274 dead transitions. [2024-11-07 23:29:17,932 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 318 places, 274 transitions, 4730 flow [2024-11-07 23:29:17,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 23:29:17,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 23:29:17,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 196 transitions. [2024-11-07 23:29:17,936 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.27450980392156865 [2024-11-07 23:29:17,936 INFO L175 Difference]: Start difference. First operand has 306 places, 230 transitions, 3901 flow. Second operand 21 states and 196 transitions. [2024-11-07 23:29:17,936 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 318 places, 274 transitions, 4730 flow [2024-11-07 23:29:17,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 289 places, 274 transitions, 4399 flow, removed 20 selfloop flow, removed 29 redundant places. [2024-11-07 23:29:17,983 INFO L231 Difference]: Finished difference. Result has 291 places, 190 transitions, 3000 flow [2024-11-07 23:29:17,984 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=3549, PETRI_DIFFERENCE_MINUEND_PLACES=269, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=228, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=3000, PETRI_PLACES=291, PETRI_TRANSITIONS=190} [2024-11-07 23:29:17,984 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 256 predicate places. [2024-11-07 23:29:17,984 INFO L471 AbstractCegarLoop]: Abstraction has has 291 places, 190 transitions, 3000 flow [2024-11-07 23:29:17,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:17,984 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:17,984 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:17,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-07 23:29:17,985 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:17,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:17,985 INFO L85 PathProgramCache]: Analyzing trace with hash -710199932, now seen corresponding path program 9 times [2024-11-07 23:29:17,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:17,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308893742] [2024-11-07 23:29:17,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:17,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:18,238 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 23:29:18,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:18,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308893742] [2024-11-07 23:29:18,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308893742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:18,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:18,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:18,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881763078] [2024-11-07 23:29:18,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:18,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:18,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:18,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:18,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:18,241 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:18,241 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 291 places, 190 transitions, 3000 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:18,241 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:18,241 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:18,241 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:18,656 INFO L124 PetriNetUnfolderBase]: 584/1215 cut-off events. [2024-11-07 23:29:18,656 INFO L125 PetriNetUnfolderBase]: For 7037/7037 co-relation queries the response was YES. [2024-11-07 23:29:18,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6675 conditions, 1215 events. 584/1215 cut-off events. For 7037/7037 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7379 event pairs, 221 based on Foata normal form. 22/1237 useless extension candidates. Maximal degree in co-relation 6622. Up to 796 conditions per place. [2024-11-07 23:29:18,663 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 164 selfloop transitions, 47 changer transitions 11/222 dead transitions. [2024-11-07 23:29:18,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 222 transitions, 3478 flow [2024-11-07 23:29:18,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 23:29:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-07 23:29:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 158 transitions. [2024-11-07 23:29:18,664 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.29044117647058826 [2024-11-07 23:29:18,664 INFO L175 Difference]: Start difference. First operand has 291 places, 190 transitions, 3000 flow. Second operand 16 states and 158 transitions. [2024-11-07 23:29:18,664 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 222 transitions, 3478 flow [2024-11-07 23:29:18,683 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 255 places, 222 transitions, 3113 flow, removed 11 selfloop flow, removed 36 redundant places. [2024-11-07 23:29:18,685 INFO L231 Difference]: Finished difference. Result has 255 places, 180 transitions, 2592 flow [2024-11-07 23:29:18,686 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2592, PETRI_DIFFERENCE_MINUEND_PLACES=240, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=188, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2592, PETRI_PLACES=255, PETRI_TRANSITIONS=180} [2024-11-07 23:29:18,686 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-07 23:29:18,686 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 180 transitions, 2592 flow [2024-11-07 23:29:18,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:18,686 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:18,686 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:18,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-07 23:29:18,687 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:18,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:18,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1986238755, now seen corresponding path program 3 times [2024-11-07 23:29:18,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:18,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045964754] [2024-11-07 23:29:18,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:18,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:18,969 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 23:29:18,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:18,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045964754] [2024-11-07 23:29:18,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045964754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:18,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:18,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-07 23:29:18,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18220518] [2024-11-07 23:29:18,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:18,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-07 23:29:18,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:18,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-07 23:29:18,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-07 23:29:18,971 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:18,971 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 180 transitions, 2592 flow. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:18,971 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:18,971 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:18,971 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:19,524 INFO L124 PetriNetUnfolderBase]: 538/1137 cut-off events. [2024-11-07 23:29:19,525 INFO L125 PetriNetUnfolderBase]: For 4122/4122 co-relation queries the response was YES. [2024-11-07 23:29:19,528 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6125 conditions, 1137 events. 538/1137 cut-off events. For 4122/4122 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 6848 event pairs, 179 based on Foata normal form. 48/1185 useless extension candidates. Maximal degree in co-relation 6085. Up to 414 conditions per place. [2024-11-07 23:29:19,529 INFO L140 encePairwiseOnDemand]: 21/34 looper letters, 96 selfloop transitions, 53 changer transitions 62/211 dead transitions. [2024-11-07 23:29:19,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 275 places, 211 transitions, 3087 flow [2024-11-07 23:29:19,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-07 23:29:19,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-07 23:29:19,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 204 transitions. [2024-11-07 23:29:19,531 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25 [2024-11-07 23:29:19,531 INFO L175 Difference]: Start difference. First operand has 255 places, 180 transitions, 2592 flow. Second operand 24 states and 204 transitions. [2024-11-07 23:29:19,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 275 places, 211 transitions, 3087 flow [2024-11-07 23:29:19,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 211 transitions, 2789 flow, removed 8 selfloop flow, removed 22 redundant places. [2024-11-07 23:29:19,544 INFO L231 Difference]: Finished difference. Result has 255 places, 130 transitions, 1624 flow [2024-11-07 23:29:19,544 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=2263, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=176, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=123, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=1624, PETRI_PLACES=255, PETRI_TRANSITIONS=130} [2024-11-07 23:29:19,544 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 220 predicate places. [2024-11-07 23:29:19,544 INFO L471 AbstractCegarLoop]: Abstraction has has 255 places, 130 transitions, 1624 flow [2024-11-07 23:29:19,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 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 23:29:19,545 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:19,545 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:19,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-07 23:29:19,545 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:19,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:19,545 INFO L85 PathProgramCache]: Analyzing trace with hash 728782213, now seen corresponding path program 4 times [2024-11-07 23:29:19,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:19,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113099936] [2024-11-07 23:29:19,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:19,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:19,777 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 23:29:19,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:19,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113099936] [2024-11-07 23:29:19,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113099936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:19,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:19,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:19,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271062717] [2024-11-07 23:29:19,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:19,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:19,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:19,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:19,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:19,779 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:19,779 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 255 places, 130 transitions, 1624 flow. Second operand has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:19,779 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:19,779 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:19,779 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:20,126 INFO L124 PetriNetUnfolderBase]: 339/740 cut-off events. [2024-11-07 23:29:20,127 INFO L125 PetriNetUnfolderBase]: For 1804/1804 co-relation queries the response was YES. [2024-11-07 23:29:20,128 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3652 conditions, 740 events. 339/740 cut-off events. For 1804/1804 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 3980 event pairs, 116 based on Foata normal form. 24/764 useless extension candidates. Maximal degree in co-relation 3618. Up to 414 conditions per place. [2024-11-07 23:29:20,130 INFO L140 encePairwiseOnDemand]: 22/34 looper letters, 67 selfloop transitions, 36 changer transitions 45/148 dead transitions. [2024-11-07 23:29:20,130 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 245 places, 148 transitions, 1910 flow [2024-11-07 23:29:20,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-07 23:29:20,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-07 23:29:20,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 166 transitions. [2024-11-07 23:29:20,131 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23249299719887956 [2024-11-07 23:29:20,131 INFO L175 Difference]: Start difference. First operand has 255 places, 130 transitions, 1624 flow. Second operand 21 states and 166 transitions. [2024-11-07 23:29:20,131 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 245 places, 148 transitions, 1910 flow [2024-11-07 23:29:20,135 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 148 transitions, 1604 flow, removed 4 selfloop flow, removed 46 redundant places. [2024-11-07 23:29:20,136 INFO L231 Difference]: Finished difference. Result has 199 places, 93 transitions, 1080 flow [2024-11-07 23:29:20,137 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=1252, PETRI_DIFFERENCE_MINUEND_PLACES=179, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=1080, PETRI_PLACES=199, PETRI_TRANSITIONS=93} [2024-11-07 23:29:20,137 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 164 predicate places. [2024-11-07 23:29:20,137 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 93 transitions, 1080 flow [2024-11-07 23:29:20,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 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 23:29:20,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:20,137 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:20,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-07 23:29:20,138 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:20,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:20,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1340752818, now seen corresponding path program 1 times [2024-11-07 23:29:20,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:20,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670078441] [2024-11-07 23:29:20,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:20,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:20,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:20,348 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 23:29:20,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:20,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670078441] [2024-11-07 23:29:20,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670078441] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:20,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:20,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:20,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675328925] [2024-11-07 23:29:20,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:20,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:20,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:20,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:20,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:20,349 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:20,349 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 93 transitions, 1080 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:20,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:20,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:20,350 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:20,569 INFO L124 PetriNetUnfolderBase]: 244/551 cut-off events. [2024-11-07 23:29:20,569 INFO L125 PetriNetUnfolderBase]: For 862/862 co-relation queries the response was YES. [2024-11-07 23:29:20,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2644 conditions, 551 events. 244/551 cut-off events. For 862/862 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2779 event pairs, 138 based on Foata normal form. 6/557 useless extension candidates. Maximal degree in co-relation 2625. Up to 381 conditions per place. [2024-11-07 23:29:20,571 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 71 selfloop transitions, 27 changer transitions 22/120 dead transitions. [2024-11-07 23:29:20,571 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 167 places, 120 transitions, 1419 flow [2024-11-07 23:29:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:29:20,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-07 23:29:20,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 119 transitions. [2024-11-07 23:29:20,572 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2692307692307692 [2024-11-07 23:29:20,572 INFO L175 Difference]: Start difference. First operand has 199 places, 93 transitions, 1080 flow. Second operand 13 states and 119 transitions. [2024-11-07 23:29:20,572 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 167 places, 120 transitions, 1419 flow [2024-11-07 23:29:20,574 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 120 transitions, 1280 flow, removed 0 selfloop flow, removed 16 redundant places. [2024-11-07 23:29:20,575 INFO L231 Difference]: Finished difference. Result has 151 places, 83 transitions, 876 flow [2024-11-07 23:29:20,575 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=932, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=876, PETRI_PLACES=151, PETRI_TRANSITIONS=83} [2024-11-07 23:29:20,575 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 116 predicate places. [2024-11-07 23:29:20,576 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 83 transitions, 876 flow [2024-11-07 23:29:20,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:20,576 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:20,576 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:20,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-07 23:29:20,576 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:20,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:20,576 INFO L85 PathProgramCache]: Analyzing trace with hash 422805618, now seen corresponding path program 2 times [2024-11-07 23:29:20,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:20,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842671185] [2024-11-07 23:29:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:20,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:20,834 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 23:29:20,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:20,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842671185] [2024-11-07 23:29:20,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842671185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:20,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:20,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:20,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642591294] [2024-11-07 23:29:20,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:20,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:20,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:20,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:20,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:20,835 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:20,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 83 transitions, 876 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:20,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:20,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:20,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:21,103 INFO L124 PetriNetUnfolderBase]: 212/483 cut-off events. [2024-11-07 23:29:21,104 INFO L125 PetriNetUnfolderBase]: For 427/427 co-relation queries the response was YES. [2024-11-07 23:29:21,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2159 conditions, 483 events. 212/483 cut-off events. For 427/427 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 2313 event pairs, 85 based on Foata normal form. 6/489 useless extension candidates. Maximal degree in co-relation 2142. Up to 314 conditions per place. [2024-11-07 23:29:21,105 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 39 selfloop transitions, 44 changer transitions 21/104 dead transitions. [2024-11-07 23:29:21,106 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 159 places, 104 transitions, 1119 flow [2024-11-07 23:29:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:21,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 132 transitions. [2024-11-07 23:29:21,107 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.22837370242214533 [2024-11-07 23:29:21,107 INFO L175 Difference]: Start difference. First operand has 151 places, 83 transitions, 876 flow. Second operand 17 states and 132 transitions. [2024-11-07 23:29:21,108 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 159 places, 104 transitions, 1119 flow [2024-11-07 23:29:21,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 104 transitions, 1003 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-07 23:29:21,110 INFO L231 Difference]: Finished difference. Result has 142 places, 76 transitions, 783 flow [2024-11-07 23:29:21,110 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=746, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=783, PETRI_PLACES=142, PETRI_TRANSITIONS=76} [2024-11-07 23:29:21,110 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 107 predicate places. [2024-11-07 23:29:21,110 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 76 transitions, 783 flow [2024-11-07 23:29:21,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:21,111 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:21,111 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:21,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-07 23:29:21,111 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:21,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:21,111 INFO L85 PathProgramCache]: Analyzing trace with hash 536997132, now seen corresponding path program 3 times [2024-11-07 23:29:21,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:21,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029896725] [2024-11-07 23:29:21,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:21,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:21,329 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 23:29:21,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:21,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029896725] [2024-11-07 23:29:21,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029896725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:21,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:21,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071390199] [2024-11-07 23:29:21,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:21,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:21,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:21,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:21,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:21,330 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:21,331 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 76 transitions, 783 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:21,331 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:21,331 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:21,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:21,585 INFO L124 PetriNetUnfolderBase]: 185/420 cut-off events. [2024-11-07 23:29:21,585 INFO L125 PetriNetUnfolderBase]: For 342/342 co-relation queries the response was YES. [2024-11-07 23:29:21,586 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 420 events. 185/420 cut-off events. For 342/342 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1917 event pairs, 94 based on Foata normal form. 6/424 useless extension candidates. Maximal degree in co-relation 1875. Up to 244 conditions per place. [2024-11-07 23:29:21,587 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 53 selfloop transitions, 22 changer transitions 27/102 dead transitions. [2024-11-07 23:29:21,587 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 102 transitions, 1036 flow [2024-11-07 23:29:21,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-07 23:29:21,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-07 23:29:21,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 133 transitions. [2024-11-07 23:29:21,588 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.2607843137254902 [2024-11-07 23:29:21,588 INFO L175 Difference]: Start difference. First operand has 142 places, 76 transitions, 783 flow. Second operand 15 states and 133 transitions. [2024-11-07 23:29:21,588 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 142 places, 102 transitions, 1036 flow [2024-11-07 23:29:21,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 130 places, 102 transitions, 941 flow, removed 0 selfloop flow, removed 12 redundant places. [2024-11-07 23:29:21,590 INFO L231 Difference]: Finished difference. Result has 130 places, 59 transitions, 552 flow [2024-11-07 23:29:21,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=675, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=552, PETRI_PLACES=130, PETRI_TRANSITIONS=59} [2024-11-07 23:29:21,590 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 95 predicate places. [2024-11-07 23:29:21,590 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 59 transitions, 552 flow [2024-11-07 23:29:21,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:21,591 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:21,591 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:21,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-07 23:29:21,591 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:21,591 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:21,591 INFO L85 PathProgramCache]: Analyzing trace with hash -380950068, now seen corresponding path program 4 times [2024-11-07 23:29:21,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:21,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886299422] [2024-11-07 23:29:21,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:21,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:21,856 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 23:29:21,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:21,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886299422] [2024-11-07 23:29:21,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886299422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:21,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:21,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:21,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038592395] [2024-11-07 23:29:21,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:21,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:21,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:21,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:21,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:21,858 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:21,858 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 59 transitions, 552 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:21,858 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:21,858 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:21,858 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:22,095 INFO L124 PetriNetUnfolderBase]: 147/342 cut-off events. [2024-11-07 23:29:22,096 INFO L125 PetriNetUnfolderBase]: For 259/259 co-relation queries the response was YES. [2024-11-07 23:29:22,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1445 conditions, 342 events. 147/342 cut-off events. For 259/259 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 1467 event pairs, 56 based on Foata normal form. 6/348 useless extension candidates. Maximal degree in co-relation 1429. Up to 206 conditions per place. [2024-11-07 23:29:22,097 INFO L140 encePairwiseOnDemand]: 23/34 looper letters, 28 selfloop transitions, 18 changer transitions 35/81 dead transitions. [2024-11-07 23:29:22,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 81 transitions, 754 flow [2024-11-07 23:29:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-07 23:29:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-07 23:29:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 135 transitions. [2024-11-07 23:29:22,097 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.23356401384083045 [2024-11-07 23:29:22,097 INFO L175 Difference]: Start difference. First operand has 130 places, 59 transitions, 552 flow. Second operand 17 states and 135 transitions. [2024-11-07 23:29:22,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 81 transitions, 754 flow [2024-11-07 23:29:22,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 81 transitions, 681 flow, removed 1 selfloop flow, removed 13 redundant places. [2024-11-07 23:29:22,099 INFO L231 Difference]: Finished difference. Result has 116 places, 41 transitions, 370 flow [2024-11-07 23:29:22,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=468, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=370, PETRI_PLACES=116, PETRI_TRANSITIONS=41} [2024-11-07 23:29:22,100 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 81 predicate places. [2024-11-07 23:29:22,100 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 41 transitions, 370 flow [2024-11-07 23:29:22,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:22,100 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:22,100 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:22,100 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-07 23:29:22,100 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:22,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:22,100 INFO L85 PathProgramCache]: Analyzing trace with hash 156956044, now seen corresponding path program 5 times [2024-11-07 23:29:22,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:22,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793000426] [2024-11-07 23:29:22,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:22,327 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 23:29:22,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:22,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793000426] [2024-11-07 23:29:22,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793000426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:22,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:22,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:22,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866052862] [2024-11-07 23:29:22,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:22,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:22,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:22,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:22,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:22,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:22,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 41 transitions, 370 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:22,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:22,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:22,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:22,611 INFO L124 PetriNetUnfolderBase]: 102/237 cut-off events. [2024-11-07 23:29:22,611 INFO L125 PetriNetUnfolderBase]: For 203/203 co-relation queries the response was YES. [2024-11-07 23:29:22,611 INFO L83 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 237 events. 102/237 cut-off events. For 203/203 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 924 event pairs, 0 based on Foata normal form. 12/249 useless extension candidates. Maximal degree in co-relation 937. Up to 96 conditions per place. [2024-11-07 23:29:22,612 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 22 selfloop transitions, 15 changer transitions 23/60 dead transitions. [2024-11-07 23:29:22,612 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 60 transitions, 524 flow [2024-11-07 23:29:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-07 23:29:22,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2024-11-07 23:29:22,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 117 transitions. [2024-11-07 23:29:22,613 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.21507352941176472 [2024-11-07 23:29:22,613 INFO L175 Difference]: Start difference. First operand has 116 places, 41 transitions, 370 flow. Second operand 16 states and 117 transitions. [2024-11-07 23:29:22,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 60 transitions, 524 flow [2024-11-07 23:29:22,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 60 transitions, 456 flow, removed 1 selfloop flow, removed 17 redundant places. [2024-11-07 23:29:22,614 INFO L231 Difference]: Finished difference. Result has 90 places, 28 transitions, 191 flow [2024-11-07 23:29:22,614 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=191, PETRI_PLACES=90, PETRI_TRANSITIONS=28} [2024-11-07 23:29:22,614 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 55 predicate places. [2024-11-07 23:29:22,614 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 28 transitions, 191 flow [2024-11-07 23:29:22,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:22,615 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-07 23:29:22,615 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 23:29:22,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-07 23:29:22,615 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-07 23:29:22,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 23:29:22,615 INFO L85 PathProgramCache]: Analyzing trace with hash -760991156, now seen corresponding path program 6 times [2024-11-07 23:29:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 23:29:22,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54503287] [2024-11-07 23:29:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 23:29:22,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 23:29:22,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 23:29:22,977 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 23:29:22,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 23:29:22,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [54503287] [2024-11-07 23:29:22,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [54503287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 23:29:22,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 23:29:22,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-07 23:29:22,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315078042] [2024-11-07 23:29:22,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 23:29:22,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-07 23:29:22,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 23:29:22,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-07 23:29:22,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-07 23:29:22,979 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 34 [2024-11-07 23:29:22,979 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 28 transitions, 191 flow. Second operand has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:22,979 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-07 23:29:22,979 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 34 [2024-11-07 23:29:22,979 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-07 23:29:23,178 INFO L124 PetriNetUnfolderBase]: 50/125 cut-off events. [2024-11-07 23:29:23,178 INFO L125 PetriNetUnfolderBase]: For 84/84 co-relation queries the response was YES. [2024-11-07 23:29:23,178 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 125 events. 50/125 cut-off events. For 84/84 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 375 event pairs, 0 based on Foata normal form. 12/137 useless extension candidates. Maximal degree in co-relation 437. Up to 48 conditions per place. [2024-11-07 23:29:23,179 INFO L140 encePairwiseOnDemand]: 24/34 looper letters, 0 selfloop transitions, 0 changer transitions 40/40 dead transitions. [2024-11-07 23:29:23,179 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 40 transitions, 288 flow [2024-11-07 23:29:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-07 23:29:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-07 23:29:23,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 90 transitions. [2024-11-07 23:29:23,179 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.20361990950226244 [2024-11-07 23:29:23,179 INFO L175 Difference]: Start difference. First operand has 90 places, 28 transitions, 191 flow. Second operand 13 states and 90 transitions. [2024-11-07 23:29:23,179 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 40 transitions, 288 flow [2024-11-07 23:29:23,180 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 40 transitions, 228 flow, removed 1 selfloop flow, removed 18 redundant places. [2024-11-07 23:29:23,180 INFO L231 Difference]: Finished difference. Result has 64 places, 0 transitions, 0 flow [2024-11-07 23:29:23,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=34, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=0, PETRI_PLACES=64, PETRI_TRANSITIONS=0} [2024-11-07 23:29:23,181 INFO L277 CegarLoopForPetriNet]: 35 programPoint places, 29 predicate places. [2024-11-07 23:29:23,181 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 0 transitions, 0 flow [2024-11-07 23:29:23,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.6) internal successors, (56), 10 states have internal predecessors, (56), 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 23:29:23,186 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-07 23:29:23,187 INFO L782 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-07 23:29:23,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-07 23:29:23,188 INFO L407 BasicCegarLoop]: Path program histogram: [9, 6, 4, 4, 4, 4, 3, 3, 1, 1, 1] [2024-11-07 23:29:23,191 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-07 23:29:23,191 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 23:29:23,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 11:29:23 BasicIcfg [2024-11-07 23:29:23,195 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 23:29:23,196 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 23:29:23,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 23:29:23,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 23:29:23,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:28:41" (3/4) ... [2024-11-07 23:29:23,198 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-07 23:29:23,200 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2024-11-07 23:29:23,205 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2024-11-07 23:29:23,206 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-07 23:29:23,207 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-07 23:29:23,207 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-07 23:29:23,270 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-07 23:29:23,271 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-07 23:29:23,271 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 23:29:23,272 INFO L158 Benchmark]: Toolchain (without parser) took 42775.99ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 114.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 132.2MB. Max. memory is 16.1GB. [2024-11-07 23:29:23,272 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:29:23,273 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.55ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 83.8MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-07 23:29:23,273 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.02ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:29:23,273 INFO L158 Benchmark]: Boogie Preprocessor took 64.34ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 23:29:23,274 INFO L158 Benchmark]: RCFGBuilder took 571.39ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 104.0MB in the end (delta: -25.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. [2024-11-07 23:29:23,276 INFO L158 Benchmark]: TraceAbstraction took 41568.78ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 103.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2024-11-07 23:29:23,276 INFO L158 Benchmark]: Witness Printer took 74.87ms. Allocated memory is still 1.4GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 23:29:23,277 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 117.4MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.55ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 83.8MB in the end (delta: 30.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.02ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.34ms. Allocated memory is still 142.6MB. Free memory was 81.4MB in the beginning and 78.2MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 571.39ms. Allocated memory is still 142.6MB. Free memory was 78.2MB in the beginning and 104.0MB in the end (delta: -25.8MB). Peak memory consumption was 41.7MB. Max. memory is 16.1GB. * TraceAbstraction took 41568.78ms. Allocated memory was 142.6MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 103.4MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. * Witness Printer took 74.87ms. Allocated memory is still 1.4GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 3914]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 42 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 41.5s, OverallIterations: 40, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3286 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3285 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 420 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14861 IncrementalHoareTripleChecker+Invalid, 15281 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 420 mSolverCounterUnsat, 1 mSDtfsCounter, 14861 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 844 GetRequests, 92 SyntacticMatches, 7 SemanticMatches, 745 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2648 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7319occurred in iteration=16, InterpolantAutomatonStates: 707, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 10.9s InterpolantComputationTime, 542 NumberOfCodeBlocks, 542 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 502 ConstructedInterpolants, 0 QuantifiedInterpolants, 5502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-07 23:29:23,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE