./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB --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 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:31:36,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:31:37,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-28 03:31:37,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:31:37,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:31:37,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:31:37,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:31:37,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:31:37,074 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:31:37,075 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:31:37,076 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:31:37,076 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:31:37,077 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:31:37,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:31:37,078 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:31:37,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:31:37,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:31:37,079 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:31:37,079 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:31:37,079 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:31:37,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:31:37,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:31:37,081 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:31:37,081 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:31:37,081 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:31:37,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:31:37,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:31:37,082 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:31:37,082 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:37,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:31:37,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:31:37,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:31:37,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:31:37,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:37,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:31:37,083 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:31:37,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:31:37,084 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:31:37,084 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:31:37,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:31:37,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:31:37,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:31:37,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:31:37,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:31:37,085 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 3c93f158b090fed5438343046820ebde54acd91fe2fe757fc7dc28475dc42a7e [2024-11-28 03:31:37,490 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:31:37,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:31:37,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:31:37,505 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:31:37,506 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:31:37,507 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-28 03:31:40,677 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/data/46fe87ac2/15fff48831b54e8d9e88055137e01cbf/FLAG159a1c193 [2024-11-28 03:31:41,044 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:31:41,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2024-11-28 03:31:41,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/data/46fe87ac2/15fff48831b54e8d9e88055137e01cbf/FLAG159a1c193 [2024-11-28 03:31:41,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/data/46fe87ac2/15fff48831b54e8d9e88055137e01cbf [2024-11-28 03:31:41,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:31:41,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:31:41,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:31:41,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:31:41,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:31:41,128 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:41" (1/1) ... [2024-11-28 03:31:41,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed96291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:41, skipping insertion in model container [2024-11-28 03:31:41,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:31:41" (1/1) ... [2024-11-28 03:31:41,202 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:31:41,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:31:41,845 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:31:41,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:31:42,004 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:31:42,005 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42 WrapperNode [2024-11-28 03:31:42,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:31:42,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:31:42,009 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:31:42,009 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:31:42,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,081 INFO L138 Inliner]: procedures = 248, calls = 56, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 154 [2024-11-28 03:31:42,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:31:42,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:31:42,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:31:42,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:31:42,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,110 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,136 INFO L175 MemorySlicer]: Split 19 memory accesses to 3 slices as follows [2, 2, 15]. 79 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 10 writes are split as follows [0, 2, 8]. [2024-11-28 03:31:42,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,165 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,173 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:31:42,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:31:42,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:31:42,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:31:42,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (1/1) ... [2024-11-28 03:31:42,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:31:42,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:31:42,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:31:42,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:31:42,292 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2024-11-28 03:31:42,297 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 03:31:42,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 03:31:42,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:31:42,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:31:42,300 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 03:31:42,733 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:31:42,736 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:31:43,210 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 03:31:43,210 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:31:43,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:31:43,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 03:31:43,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:43 BoogieIcfgContainer [2024-11-28 03:31:43,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:31:43,590 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:31:43,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:31:43,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:31:43,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:31:41" (1/3) ... [2024-11-28 03:31:43,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4b8af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:31:43, skipping insertion in model container [2024-11-28 03:31:43,598 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:31:42" (2/3) ... [2024-11-28 03:31:43,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4b8af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:31:43, skipping insertion in model container [2024-11-28 03:31:43,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:31:43" (3/3) ... [2024-11-28 03:31:43,603 INFO L128 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2024-11-28 03:31:43,625 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:31:43,627 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-2_5-container_of.i that has 2 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 03:31:43,628 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 03:31:43,716 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-28 03:31:43,759 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 44 transitions, 102 flow [2024-11-28 03:31:43,835 INFO L124 PetriNetUnfolderBase]: 2/47 cut-off events. [2024-11-28 03:31:43,837 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-28 03:31:43,845 INFO L83 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 47 events. 2/47 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 76 event pairs, 0 based on Foata normal form. 0/39 useless extension candidates. Maximal degree in co-relation 24. Up to 3 conditions per place. [2024-11-28 03:31:43,845 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 44 transitions, 102 flow [2024-11-28 03:31:43,854 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 38 transitions, 85 flow [2024-11-28 03:31:43,872 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:31:43,888 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;@6664eabe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:31:43,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-28 03:31:43,902 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 03:31:43,902 INFO L124 PetriNetUnfolderBase]: 0/20 cut-off events. [2024-11-28 03:31:43,902 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 03:31:43,902 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:43,903 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:43,903 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:43,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:43,912 INFO L85 PathProgramCache]: Analyzing trace with hash -215199965, now seen corresponding path program 1 times [2024-11-28 03:31:43,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:43,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173181206] [2024-11-28 03:31:43,924 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:43,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:45,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:45,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:45,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173181206] [2024-11-28 03:31:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173181206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:45,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737890934] [2024-11-28 03:31:45,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:45,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:45,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:45,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:45,367 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:45,369 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:45,373 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 38 transitions, 85 flow. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2024-11-28 03:31:45,373 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:45,374 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:45,375 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:46,553 INFO L124 PetriNetUnfolderBase]: 1309/2220 cut-off events. [2024-11-28 03:31:46,553 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-28 03:31:46,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4457 conditions, 2220 events. 1309/2220 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 11613 event pairs, 581 based on Foata normal form. 0/1932 useless extension candidates. Maximal degree in co-relation 4365. Up to 1340 conditions per place. [2024-11-28 03:31:46,589 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 85 selfloop transitions, 20 changer transitions 3/111 dead transitions. [2024-11-28 03:31:46,589 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 111 transitions, 462 flow [2024-11-28 03:31:46,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:31:46,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:31:46,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 172 transitions. [2024-11-28 03:31:46,614 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.39090909090909093 [2024-11-28 03:31:46,616 INFO L175 Difference]: Start difference. First operand has 45 places, 38 transitions, 85 flow. Second operand 10 states and 172 transitions. [2024-11-28 03:31:46,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 111 transitions, 462 flow [2024-11-28 03:31:46,628 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 111 transitions, 451 flow, removed 0 selfloop flow, removed 3 redundant places. [2024-11-28 03:31:46,637 INFO L231 Difference]: Finished difference. Result has 56 places, 58 transitions, 208 flow [2024-11-28 03:31:46,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=208, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2024-11-28 03:31:46,649 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 11 predicate places. [2024-11-28 03:31:46,649 INFO L471 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 208 flow [2024-11-28 03:31:46,649 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2024-11-28 03:31:46,650 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:46,650 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:46,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:31:46,650 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:46,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:46,651 INFO L85 PathProgramCache]: Analyzing trace with hash 2146416997, now seen corresponding path program 1 times [2024-11-28 03:31:46,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:46,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12219809] [2024-11-28 03:31:46,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:46,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:47,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:47,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:47,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12219809] [2024-11-28 03:31:47,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12219809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:47,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:47,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:31:47,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654245408] [2024-11-28 03:31:47,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:47,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:31:47,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:47,326 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:31:47,326 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:31:47,327 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:47,328 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:47,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:47,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:47,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:48,317 INFO L124 PetriNetUnfolderBase]: 1551/2657 cut-off events. [2024-11-28 03:31:48,317 INFO L125 PetriNetUnfolderBase]: For 1048/1050 co-relation queries the response was YES. [2024-11-28 03:31:48,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6510 conditions, 2657 events. 1551/2657 cut-off events. For 1048/1050 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 14448 event pairs, 910 based on Foata normal form. 2/2419 useless extension candidates. Maximal degree in co-relation 5626. Up to 1866 conditions per place. [2024-11-28 03:31:48,366 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 83 selfloop transitions, 27 changer transitions 9/122 dead transitions. [2024-11-28 03:31:48,366 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 122 transitions, 650 flow [2024-11-28 03:31:48,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:31:48,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:31:48,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 169 transitions. [2024-11-28 03:31:48,369 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3840909090909091 [2024-11-28 03:31:48,369 INFO L175 Difference]: Start difference. First operand has 56 places, 58 transitions, 208 flow. Second operand 10 states and 169 transitions. [2024-11-28 03:31:48,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 122 transitions, 650 flow [2024-11-28 03:31:48,380 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 122 transitions, 648 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 03:31:48,385 INFO L231 Difference]: Finished difference. Result has 68 places, 74 transitions, 364 flow [2024-11-28 03:31:48,386 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=364, PETRI_PLACES=68, PETRI_TRANSITIONS=74} [2024-11-28 03:31:48,387 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 23 predicate places. [2024-11-28 03:31:48,387 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 74 transitions, 364 flow [2024-11-28 03:31:48,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:31:48,388 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:48,388 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:48,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:31:48,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:48,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:48,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1457176187, now seen corresponding path program 1 times [2024-11-28 03:31:48,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:48,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98781263] [2024-11-28 03:31:48,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:48,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:49,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:49,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:49,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98781263] [2024-11-28 03:31:49,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98781263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:49,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:49,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:31:49,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015941119] [2024-11-28 03:31:49,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:49,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:31:49,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:49,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:31:49,732 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:49,733 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:49,733 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 74 transitions, 364 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:49,733 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:49,733 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:49,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:51,797 INFO L124 PetriNetUnfolderBase]: 2489/4295 cut-off events. [2024-11-28 03:31:51,797 INFO L125 PetriNetUnfolderBase]: For 3375/3385 co-relation queries the response was YES. [2024-11-28 03:31:51,809 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11976 conditions, 4295 events. 2489/4295 cut-off events. For 3375/3385 co-relation queries the response was YES. Maximal size of possible extension queue 228. Compared 26392 event pairs, 1200 based on Foata normal form. 76/4155 useless extension candidates. Maximal degree in co-relation 8830. Up to 2376 conditions per place. [2024-11-28 03:31:51,829 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 150 selfloop transitions, 66 changer transitions 5/224 dead transitions. [2024-11-28 03:31:51,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 224 transitions, 1488 flow [2024-11-28 03:31:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:31:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:31:51,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 266 transitions. [2024-11-28 03:31:51,833 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.35561497326203206 [2024-11-28 03:31:51,833 INFO L175 Difference]: Start difference. First operand has 68 places, 74 transitions, 364 flow. Second operand 17 states and 266 transitions. [2024-11-28 03:31:51,833 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 224 transitions, 1488 flow [2024-11-28 03:31:51,872 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 224 transitions, 1488 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-28 03:31:51,876 INFO L231 Difference]: Finished difference. Result has 96 places, 133 transitions, 1003 flow [2024-11-28 03:31:51,877 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=364, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=1003, PETRI_PLACES=96, PETRI_TRANSITIONS=133} [2024-11-28 03:31:51,878 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 51 predicate places. [2024-11-28 03:31:51,878 INFO L471 AbstractCegarLoop]: Abstraction has has 96 places, 133 transitions, 1003 flow [2024-11-28 03:31:51,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:51,878 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:51,879 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:51,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:31:51,879 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:51,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:51,880 INFO L85 PathProgramCache]: Analyzing trace with hash 430444549, now seen corresponding path program 2 times [2024-11-28 03:31:51,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:51,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471006095] [2024-11-28 03:31:51,880 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:31:51,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:51,934 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:31:51,934 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:31:52,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:52,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:52,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471006095] [2024-11-28 03:31:52,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471006095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:52,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:52,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:31:52,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825960923] [2024-11-28 03:31:52,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:52,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:31:52,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:52,681 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:31:52,681 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:52,681 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:52,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 133 transitions, 1003 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:52,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:52,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:52,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:55,061 INFO L124 PetriNetUnfolderBase]: 2725/4710 cut-off events. [2024-11-28 03:31:55,062 INFO L125 PetriNetUnfolderBase]: For 10671/10686 co-relation queries the response was YES. [2024-11-28 03:31:55,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16168 conditions, 4710 events. 2725/4710 cut-off events. For 10671/10686 co-relation queries the response was YES. Maximal size of possible extension queue 239. Compared 29364 event pairs, 1037 based on Foata normal form. 81/4535 useless extension candidates. Maximal degree in co-relation 15535. Up to 2167 conditions per place. [2024-11-28 03:31:55,118 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 152 selfloop transitions, 114 changer transitions 4/273 dead transitions. [2024-11-28 03:31:55,118 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 273 transitions, 2321 flow [2024-11-28 03:31:55,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:31:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 03:31:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 314 transitions. [2024-11-28 03:31:55,122 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3243801652892562 [2024-11-28 03:31:55,123 INFO L175 Difference]: Start difference. First operand has 96 places, 133 transitions, 1003 flow. Second operand 22 states and 314 transitions. [2024-11-28 03:31:55,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 273 transitions, 2321 flow [2024-11-28 03:31:55,212 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 273 transitions, 2225 flow, removed 40 selfloop flow, removed 3 redundant places. [2024-11-28 03:31:55,222 INFO L231 Difference]: Finished difference. Result has 122 places, 184 transitions, 1753 flow [2024-11-28 03:31:55,222 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=957, PETRI_DIFFERENCE_MINUEND_PLACES=93, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=64, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=1753, PETRI_PLACES=122, PETRI_TRANSITIONS=184} [2024-11-28 03:31:55,225 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 77 predicate places. [2024-11-28 03:31:55,225 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 184 transitions, 1753 flow [2024-11-28 03:31:55,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:55,226 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:55,226 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:55,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:31:55,226 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:55,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:55,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1333101199, now seen corresponding path program 1 times [2024-11-28 03:31:55,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:55,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426001172] [2024-11-28 03:31:55,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:55,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:56,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:56,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:56,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426001172] [2024-11-28 03:31:56,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426001172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:56,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:56,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:31:56,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308879389] [2024-11-28 03:31:56,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:56,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:31:56,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:56,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:31:56,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:56,019 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:56,019 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 184 transitions, 1753 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:56,019 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:56,019 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:56,019 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:57,816 INFO L124 PetriNetUnfolderBase]: 3111/5456 cut-off events. [2024-11-28 03:31:57,817 INFO L125 PetriNetUnfolderBase]: For 18151/18163 co-relation queries the response was YES. [2024-11-28 03:31:57,855 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20816 conditions, 5456 events. 3111/5456 cut-off events. For 18151/18163 co-relation queries the response was YES. Maximal size of possible extension queue 305. Compared 35644 event pairs, 1654 based on Foata normal form. 88/5260 useless extension candidates. Maximal degree in co-relation 20167. Up to 4114 conditions per place. [2024-11-28 03:31:57,882 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 172 selfloop transitions, 66 changer transitions 18/259 dead transitions. [2024-11-28 03:31:57,883 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 259 transitions, 2715 flow [2024-11-28 03:31:57,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:31:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:31:57,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 200 transitions. [2024-11-28 03:31:57,885 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3787878787878788 [2024-11-28 03:31:57,885 INFO L175 Difference]: Start difference. First operand has 122 places, 184 transitions, 1753 flow. Second operand 12 states and 200 transitions. [2024-11-28 03:31:57,885 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 259 transitions, 2715 flow [2024-11-28 03:31:58,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 259 transitions, 2599 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-28 03:31:58,094 INFO L231 Difference]: Finished difference. Result has 131 places, 194 transitions, 1955 flow [2024-11-28 03:31:58,096 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1650, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=184, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=58, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=121, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1955, PETRI_PLACES=131, PETRI_TRANSITIONS=194} [2024-11-28 03:31:58,097 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 86 predicate places. [2024-11-28 03:31:58,097 INFO L471 AbstractCegarLoop]: Abstraction has has 131 places, 194 transitions, 1955 flow [2024-11-28 03:31:58,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:58,098 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:58,098 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:58,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:31:58,098 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:58,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:58,101 INFO L85 PathProgramCache]: Analyzing trace with hash -668124875, now seen corresponding path program 1 times [2024-11-28 03:31:58,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:58,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523134368] [2024-11-28 03:31:58,102 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:31:58,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:31:58,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:58,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:58,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523134368] [2024-11-28 03:31:58,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523134368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:58,213 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:58,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:31:58,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176076295] [2024-11-28 03:31:58,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:58,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:31:58,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:58,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:31:58,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:31:58,216 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 44 [2024-11-28 03:31:58,216 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 194 transitions, 1955 flow. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 03:31:58,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:58,217 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 44 [2024-11-28 03:31:58,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:31:59,070 INFO L124 PetriNetUnfolderBase]: 1957/3514 cut-off events. [2024-11-28 03:31:59,070 INFO L125 PetriNetUnfolderBase]: For 10211/10213 co-relation queries the response was YES. [2024-11-28 03:31:59,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13451 conditions, 3514 events. 1957/3514 cut-off events. For 10211/10213 co-relation queries the response was YES. Maximal size of possible extension queue 181. Compared 21437 event pairs, 750 based on Foata normal form. 0/3326 useless extension candidates. Maximal degree in co-relation 13066. Up to 2271 conditions per place. [2024-11-28 03:31:59,100 INFO L140 encePairwiseOnDemand]: 41/44 looper letters, 218 selfloop transitions, 21 changer transitions 0/241 dead transitions. [2024-11-28 03:31:59,100 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 241 transitions, 2798 flow [2024-11-28 03:31:59,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:31:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-28 03:31:59,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 90 transitions. [2024-11-28 03:31:59,102 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5113636363636364 [2024-11-28 03:31:59,102 INFO L175 Difference]: Start difference. First operand has 131 places, 194 transitions, 1955 flow. Second operand 4 states and 90 transitions. [2024-11-28 03:31:59,102 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 241 transitions, 2798 flow [2024-11-28 03:31:59,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 241 transitions, 2670 flow, removed 25 selfloop flow, removed 7 redundant places. [2024-11-28 03:31:59,193 INFO L231 Difference]: Finished difference. Result has 124 places, 154 transitions, 1459 flow [2024-11-28 03:31:59,194 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1417, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1459, PETRI_PLACES=124, PETRI_TRANSITIONS=154} [2024-11-28 03:31:59,194 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 79 predicate places. [2024-11-28 03:31:59,195 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 154 transitions, 1459 flow [2024-11-28 03:31:59,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2024-11-28 03:31:59,195 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:31:59,195 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:31:59,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:31:59,195 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:31:59,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:31:59,196 INFO L85 PathProgramCache]: Analyzing trace with hash -293763805, now seen corresponding path program 2 times [2024-11-28 03:31:59,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:31:59,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955328298] [2024-11-28 03:31:59,196 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:31:59,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:31:59,228 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:31:59,229 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:31:59,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:31:59,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:31:59,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [955328298] [2024-11-28 03:31:59,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [955328298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:31:59,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:31:59,808 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:31:59,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445892623] [2024-11-28 03:31:59,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:31:59,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:31:59,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:31:59,808 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:31:59,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:31:59,809 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:31:59,809 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 154 transitions, 1459 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:31:59,809 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:31:59,809 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:31:59,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:01,319 INFO L124 PetriNetUnfolderBase]: 2147/3922 cut-off events. [2024-11-28 03:32:01,319 INFO L125 PetriNetUnfolderBase]: For 11147/11157 co-relation queries the response was YES. [2024-11-28 03:32:01,332 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14844 conditions, 3922 events. 2147/3922 cut-off events. For 11147/11157 co-relation queries the response was YES. Maximal size of possible extension queue 206. Compared 24060 event pairs, 940 based on Foata normal form. 72/3808 useless extension candidates. Maximal degree in co-relation 14460. Up to 2071 conditions per place. [2024-11-28 03:32:01,347 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 148 selfloop transitions, 59 changer transitions 16/225 dead transitions. [2024-11-28 03:32:01,347 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 225 transitions, 2259 flow [2024-11-28 03:32:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:32:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:32:01,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 217 transitions. [2024-11-28 03:32:01,349 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3287878787878788 [2024-11-28 03:32:01,349 INFO L175 Difference]: Start difference. First operand has 124 places, 154 transitions, 1459 flow. Second operand 15 states and 217 transitions. [2024-11-28 03:32:01,349 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 225 transitions, 2259 flow [2024-11-28 03:32:01,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 225 transitions, 2206 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-28 03:32:01,452 INFO L231 Difference]: Finished difference. Result has 139 places, 158 transitions, 1618 flow [2024-11-28 03:32:01,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1435, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=55, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1618, PETRI_PLACES=139, PETRI_TRANSITIONS=158} [2024-11-28 03:32:01,454 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 94 predicate places. [2024-11-28 03:32:01,454 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 158 transitions, 1618 flow [2024-11-28 03:32:01,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:32:01,454 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:01,454 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:01,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:32:01,454 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:01,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:01,455 INFO L85 PathProgramCache]: Analyzing trace with hash -421152827, now seen corresponding path program 3 times [2024-11-28 03:32:01,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:01,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570005124] [2024-11-28 03:32:01,455 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:32:01,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:01,496 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:32:01,496 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:02,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:02,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:02,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570005124] [2024-11-28 03:32:02,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570005124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:02,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:02,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:32:02,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381480207] [2024-11-28 03:32:02,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:02,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:32:02,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:02,081 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:32:02,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:32:02,082 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:02,082 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 158 transitions, 1618 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:32:02,082 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:02,082 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:02,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:03,852 INFO L124 PetriNetUnfolderBase]: 1983/3642 cut-off events. [2024-11-28 03:32:03,852 INFO L125 PetriNetUnfolderBase]: For 11129/11139 co-relation queries the response was YES. [2024-11-28 03:32:03,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14190 conditions, 3642 events. 1983/3642 cut-off events. For 11129/11139 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 22167 event pairs, 751 based on Foata normal form. 80/3566 useless extension candidates. Maximal degree in co-relation 13803. Up to 1899 conditions per place. [2024-11-28 03:32:03,884 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 163 selfloop transitions, 85 changer transitions 19/269 dead transitions. [2024-11-28 03:32:03,885 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 269 transitions, 2863 flow [2024-11-28 03:32:03,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:32:03,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:32:03,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 273 transitions. [2024-11-28 03:32:03,891 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.326555023923445 [2024-11-28 03:32:03,891 INFO L175 Difference]: Start difference. First operand has 139 places, 158 transitions, 1618 flow. Second operand 19 states and 273 transitions. [2024-11-28 03:32:03,891 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 269 transitions, 2863 flow [2024-11-28 03:32:04,009 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 269 transitions, 2743 flow, removed 10 selfloop flow, removed 10 redundant places. [2024-11-28 03:32:04,016 INFO L231 Difference]: Finished difference. Result has 155 places, 175 transitions, 1989 flow [2024-11-28 03:32:04,017 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1515, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1989, PETRI_PLACES=155, PETRI_TRANSITIONS=175} [2024-11-28 03:32:04,022 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 110 predicate places. [2024-11-28 03:32:04,022 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 175 transitions, 1989 flow [2024-11-28 03:32:04,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:32:04,022 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:04,022 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:04,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:32:04,023 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:04,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:04,023 INFO L85 PathProgramCache]: Analyzing trace with hash -421152507, now seen corresponding path program 3 times [2024-11-28 03:32:04,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:04,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174249114] [2024-11-28 03:32:04,024 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:32:04,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:04,073 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:32:04,074 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:04,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:04,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174249114] [2024-11-28 03:32:04,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174249114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:04,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:04,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:32:04,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771553316] [2024-11-28 03:32:04,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:04,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 03:32:04,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:04,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 03:32:04,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-28 03:32:04,864 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:04,865 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 175 transitions, 1989 flow. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:32:04,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:04,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:04,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:06,583 INFO L124 PetriNetUnfolderBase]: 1348/2491 cut-off events. [2024-11-28 03:32:06,583 INFO L125 PetriNetUnfolderBase]: For 10755/10765 co-relation queries the response was YES. [2024-11-28 03:32:06,595 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11419 conditions, 2491 events. 1348/2491 cut-off events. For 10755/10765 co-relation queries the response was YES. Maximal size of possible extension queue 132. Compared 14274 event pairs, 411 based on Foata normal form. 46/2393 useless extension candidates. Maximal degree in co-relation 10955. Up to 1219 conditions per place. [2024-11-28 03:32:06,604 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 160 selfloop transitions, 89 changer transitions 8/259 dead transitions. [2024-11-28 03:32:06,604 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 175 places, 259 transitions, 2982 flow [2024-11-28 03:32:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:32:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:32:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 286 transitions. [2024-11-28 03:32:06,608 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30952380952380953 [2024-11-28 03:32:06,608 INFO L175 Difference]: Start difference. First operand has 155 places, 175 transitions, 1989 flow. Second operand 21 states and 286 transitions. [2024-11-28 03:32:06,609 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 175 places, 259 transitions, 2982 flow [2024-11-28 03:32:06,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 259 transitions, 2818 flow, removed 43 selfloop flow, removed 8 redundant places. [2024-11-28 03:32:06,705 INFO L231 Difference]: Finished difference. Result has 171 places, 192 transitions, 2285 flow [2024-11-28 03:32:06,705 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=1879, PETRI_DIFFERENCE_MINUEND_PLACES=147, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=175, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=73, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=2285, PETRI_PLACES=171, PETRI_TRANSITIONS=192} [2024-11-28 03:32:06,706 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 126 predicate places. [2024-11-28 03:32:06,706 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 192 transitions, 2285 flow [2024-11-28 03:32:06,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 9 states have internal predecessors, (68), 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) [2024-11-28 03:32:06,706 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:06,706 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:06,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:32:06,706 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:06,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:06,707 INFO L85 PathProgramCache]: Analyzing trace with hash -853563660, now seen corresponding path program 1 times [2024-11-28 03:32:06,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:06,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403546869] [2024-11-28 03:32:06,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:06,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:07,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:07,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:07,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403546869] [2024-11-28 03:32:07,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403546869] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:07,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:07,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:07,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682478250] [2024-11-28 03:32:07,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:07,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:07,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:07,609 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:07,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:07,610 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:07,610 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 192 transitions, 2285 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:07,610 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:07,610 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:07,610 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:09,293 INFO L124 PetriNetUnfolderBase]: 1421/2624 cut-off events. [2024-11-28 03:32:09,293 INFO L125 PetriNetUnfolderBase]: For 13664/13674 co-relation queries the response was YES. [2024-11-28 03:32:09,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12594 conditions, 2624 events. 1421/2624 cut-off events. For 13664/13674 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 15373 event pairs, 494 based on Foata normal form. 10/2508 useless extension candidates. Maximal degree in co-relation 12142. Up to 1521 conditions per place. [2024-11-28 03:32:09,326 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 207 selfloop transitions, 74 changer transitions 7/290 dead transitions. [2024-11-28 03:32:09,326 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 290 transitions, 3339 flow [2024-11-28 03:32:09,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:32:09,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:32:09,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 285 transitions. [2024-11-28 03:32:09,329 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32386363636363635 [2024-11-28 03:32:09,329 INFO L175 Difference]: Start difference. First operand has 171 places, 192 transitions, 2285 flow. Second operand 20 states and 285 transitions. [2024-11-28 03:32:09,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 290 transitions, 3339 flow [2024-11-28 03:32:09,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 184 places, 290 transitions, 3232 flow, removed 12 selfloop flow, removed 6 redundant places. [2024-11-28 03:32:09,475 INFO L231 Difference]: Finished difference. Result has 188 places, 204 transitions, 2522 flow [2024-11-28 03:32:09,476 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2182, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=2522, PETRI_PLACES=188, PETRI_TRANSITIONS=204} [2024-11-28 03:32:09,476 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 143 predicate places. [2024-11-28 03:32:09,476 INFO L471 AbstractCegarLoop]: Abstraction has has 188 places, 204 transitions, 2522 flow [2024-11-28 03:32:09,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:09,477 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:09,477 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:09,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 03:32:09,477 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:09,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:09,477 INFO L85 PathProgramCache]: Analyzing trace with hash 169149641, now seen corresponding path program 1 times [2024-11-28 03:32:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568711111] [2024-11-28 03:32:09,478 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:10,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:10,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:10,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568711111] [2024-11-28 03:32:10,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568711111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:10,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:10,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:10,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826846528] [2024-11-28 03:32:10,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:10,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:10,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:10,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:10,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:10,364 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:10,364 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 188 places, 204 transitions, 2522 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:10,364 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:10,364 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:10,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:11,822 INFO L124 PetriNetUnfolderBase]: 1366/2537 cut-off events. [2024-11-28 03:32:11,822 INFO L125 PetriNetUnfolderBase]: For 18155/18165 co-relation queries the response was YES. [2024-11-28 03:32:11,833 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12644 conditions, 2537 events. 1366/2537 cut-off events. For 18155/18165 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 14814 event pairs, 506 based on Foata normal form. 46/2523 useless extension candidates. Maximal degree in co-relation 12183. Up to 1573 conditions per place. [2024-11-28 03:32:11,839 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 189 selfloop transitions, 71 changer transitions 10/272 dead transitions. [2024-11-28 03:32:11,840 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 272 transitions, 3316 flow [2024-11-28 03:32:11,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:32:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:32:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 248 transitions. [2024-11-28 03:32:11,841 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3315508021390374 [2024-11-28 03:32:11,841 INFO L175 Difference]: Start difference. First operand has 188 places, 204 transitions, 2522 flow. Second operand 17 states and 248 transitions. [2024-11-28 03:32:11,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 272 transitions, 3316 flow [2024-11-28 03:32:11,938 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 192 places, 272 transitions, 3162 flow, removed 14 selfloop flow, removed 11 redundant places. [2024-11-28 03:32:11,941 INFO L231 Difference]: Finished difference. Result has 194 places, 202 transitions, 2507 flow [2024-11-28 03:32:11,941 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2368, PETRI_DIFFERENCE_MINUEND_PLACES=176, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=71, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=2507, PETRI_PLACES=194, PETRI_TRANSITIONS=202} [2024-11-28 03:32:11,942 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 149 predicate places. [2024-11-28 03:32:11,942 INFO L471 AbstractCegarLoop]: Abstraction has has 194 places, 202 transitions, 2507 flow [2024-11-28 03:32:11,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:11,942 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:11,942 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:11,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 03:32:11,942 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:11,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:11,943 INFO L85 PathProgramCache]: Analyzing trace with hash -187265719, now seen corresponding path program 1 times [2024-11-28 03:32:11,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:11,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372678894] [2024-11-28 03:32:11,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:11,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:12,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:12,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:12,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372678894] [2024-11-28 03:32:12,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [372678894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:12,652 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:12,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:12,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137206691] [2024-11-28 03:32:12,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:12,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:12,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:12,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:12,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:12,653 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:12,654 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 202 transitions, 2507 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:12,654 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:12,654 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:12,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:14,374 INFO L124 PetriNetUnfolderBase]: 1484/2790 cut-off events. [2024-11-28 03:32:14,374 INFO L125 PetriNetUnfolderBase]: For 21310/21320 co-relation queries the response was YES. [2024-11-28 03:32:14,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13999 conditions, 2790 events. 1484/2790 cut-off events. For 21310/21320 co-relation queries the response was YES. Maximal size of possible extension queue 138. Compared 16700 event pairs, 575 based on Foata normal form. 10/2764 useless extension candidates. Maximal degree in co-relation 13850. Up to 1033 conditions per place. [2024-11-28 03:32:14,405 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 208 selfloop transitions, 95 changer transitions 7/312 dead transitions. [2024-11-28 03:32:14,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 214 places, 312 transitions, 3807 flow [2024-11-28 03:32:14,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:32:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-28 03:32:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 306 transitions. [2024-11-28 03:32:14,408 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30237154150197626 [2024-11-28 03:32:14,408 INFO L175 Difference]: Start difference. First operand has 194 places, 202 transitions, 2507 flow. Second operand 23 states and 306 transitions. [2024-11-28 03:32:14,408 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 214 places, 312 transitions, 3807 flow [2024-11-28 03:32:14,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 312 transitions, 3681 flow, removed 2 selfloop flow, removed 15 redundant places. [2024-11-28 03:32:14,578 INFO L231 Difference]: Finished difference. Result has 204 places, 217 transitions, 2844 flow [2024-11-28 03:32:14,579 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2390, PETRI_DIFFERENCE_MINUEND_PLACES=177, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=80, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=2844, PETRI_PLACES=204, PETRI_TRANSITIONS=217} [2024-11-28 03:32:14,580 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 159 predicate places. [2024-11-28 03:32:14,580 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 217 transitions, 2844 flow [2024-11-28 03:32:14,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:14,580 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:14,580 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:14,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 03:32:14,581 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:14,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:14,581 INFO L85 PathProgramCache]: Analyzing trace with hash -585472834, now seen corresponding path program 1 times [2024-11-28 03:32:14,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:14,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911701969] [2024-11-28 03:32:14,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:32:14,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:14,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:15,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:15,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911701969] [2024-11-28 03:32:15,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911701969] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:15,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:15,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:32:15,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165025506] [2024-11-28 03:32:15,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:15,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:32:15,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:15,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:32:15,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:32:15,012 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:15,013 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 217 transitions, 2844 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:32:15,013 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:15,013 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:15,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:16,267 INFO L124 PetriNetUnfolderBase]: 1590/2981 cut-off events. [2024-11-28 03:32:16,267 INFO L125 PetriNetUnfolderBase]: For 26506/26516 co-relation queries the response was YES. [2024-11-28 03:32:16,279 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 2981 events. 1590/2981 cut-off events. For 26506/26516 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 18165 event pairs, 553 based on Foata normal form. 34/3015 useless extension candidates. Maximal degree in co-relation 14662. Up to 771 conditions per place. [2024-11-28 03:32:16,285 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 215 selfloop transitions, 81 changer transitions 30/328 dead transitions. [2024-11-28 03:32:16,285 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 219 places, 328 transitions, 4155 flow [2024-11-28 03:32:16,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-28 03:32:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2024-11-28 03:32:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 279 transitions. [2024-11-28 03:32:16,287 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3522727272727273 [2024-11-28 03:32:16,287 INFO L175 Difference]: Start difference. First operand has 204 places, 217 transitions, 2844 flow. Second operand 18 states and 279 transitions. [2024-11-28 03:32:16,287 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 219 places, 328 transitions, 4155 flow [2024-11-28 03:32:16,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 328 transitions, 4012 flow, removed 8 selfloop flow, removed 14 redundant places. [2024-11-28 03:32:16,393 INFO L231 Difference]: Finished difference. Result has 208 places, 215 transitions, 2841 flow [2024-11-28 03:32:16,394 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2685, PETRI_DIFFERENCE_MINUEND_PLACES=188, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=216, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=18, PETRI_FLOW=2841, PETRI_PLACES=208, PETRI_TRANSITIONS=215} [2024-11-28 03:32:16,394 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 163 predicate places. [2024-11-28 03:32:16,394 INFO L471 AbstractCegarLoop]: Abstraction has has 208 places, 215 transitions, 2841 flow [2024-11-28 03:32:16,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:32:16,395 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:16,395 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:16,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-28 03:32:16,395 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:16,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:16,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166247, now seen corresponding path program 2 times [2024-11-28 03:32:16,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:16,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797128298] [2024-11-28 03:32:16,396 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:16,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:16,419 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:16,420 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:17,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:17,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:17,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797128298] [2024-11-28 03:32:17,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797128298] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:17,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:17,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:17,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632168490] [2024-11-28 03:32:17,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:17,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:17,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:17,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:17,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:17,109 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:17,110 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 208 places, 215 transitions, 2841 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:17,110 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:17,110 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:17,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:19,080 INFO L124 PetriNetUnfolderBase]: 1719/3227 cut-off events. [2024-11-28 03:32:19,080 INFO L125 PetriNetUnfolderBase]: For 29084/29094 co-relation queries the response was YES. [2024-11-28 03:32:19,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16696 conditions, 3227 events. 1719/3227 cut-off events. For 29084/29094 co-relation queries the response was YES. Maximal size of possible extension queue 160. Compared 20131 event pairs, 605 based on Foata normal form. 28/3255 useless extension candidates. Maximal degree in co-relation 15963. Up to 2174 conditions per place. [2024-11-28 03:32:19,102 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 252 selfloop transitions, 89 changer transitions 0/343 dead transitions. [2024-11-28 03:32:19,102 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 224 places, 343 transitions, 4228 flow [2024-11-28 03:32:19,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:32:19,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-28 03:32:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 339 transitions. [2024-11-28 03:32:19,104 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3210227272727273 [2024-11-28 03:32:19,105 INFO L175 Difference]: Start difference. First operand has 208 places, 215 transitions, 2841 flow. Second operand 24 states and 339 transitions. [2024-11-28 03:32:19,105 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 224 places, 343 transitions, 4228 flow [2024-11-28 03:32:19,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 216 places, 343 transitions, 3970 flow, removed 79 selfloop flow, removed 8 redundant places. [2024-11-28 03:32:19,234 INFO L231 Difference]: Finished difference. Result has 223 places, 244 transitions, 3269 flow [2024-11-28 03:32:19,235 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=2687, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=63, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3269, PETRI_PLACES=223, PETRI_TRANSITIONS=244} [2024-11-28 03:32:19,235 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 178 predicate places. [2024-11-28 03:32:19,235 INFO L471 AbstractCegarLoop]: Abstraction has has 223 places, 244 transitions, 3269 flow [2024-11-28 03:32:19,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:19,236 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:19,236 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:19,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 03:32:19,236 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:19,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:19,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1440492951, now seen corresponding path program 3 times [2024-11-28 03:32:19,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:19,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274183253] [2024-11-28 03:32:19,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:32:19,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:19,262 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:32:19,262 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:20,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:20,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274183253] [2024-11-28 03:32:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274183253] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:20,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:20,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918035556] [2024-11-28 03:32:20,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:20,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:20,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:20,070 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:20,070 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:20,070 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:20,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 223 places, 244 transitions, 3269 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:20,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:20,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:20,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:21,971 INFO L124 PetriNetUnfolderBase]: 1754/3307 cut-off events. [2024-11-28 03:32:21,971 INFO L125 PetriNetUnfolderBase]: For 30732/30742 co-relation queries the response was YES. [2024-11-28 03:32:22,007 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17092 conditions, 3307 events. 1754/3307 cut-off events. For 30732/30742 co-relation queries the response was YES. Maximal size of possible extension queue 169. Compared 20833 event pairs, 403 based on Foata normal form. 28/3335 useless extension candidates. Maximal degree in co-relation 16199. Up to 1226 conditions per place. [2024-11-28 03:32:22,021 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 210 selfloop transitions, 138 changer transitions 8/358 dead transitions. [2024-11-28 03:32:22,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 358 transitions, 4540 flow [2024-11-28 03:32:22,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:32:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-28 03:32:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-28 03:32:22,028 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-28 03:32:22,028 INFO L175 Difference]: Start difference. First operand has 223 places, 244 transitions, 3269 flow. Second operand 24 states and 341 transitions. [2024-11-28 03:32:22,028 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 358 transitions, 4540 flow [2024-11-28 03:32:22,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 239 places, 358 transitions, 4388 flow, removed 40 selfloop flow, removed 7 redundant places. [2024-11-28 03:32:22,259 INFO L231 Difference]: Finished difference. Result has 245 places, 254 transitions, 3712 flow [2024-11-28 03:32:22,260 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3141, PETRI_DIFFERENCE_MINUEND_PLACES=216, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=244, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=128, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=111, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3712, PETRI_PLACES=245, PETRI_TRANSITIONS=254} [2024-11-28 03:32:22,260 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 200 predicate places. [2024-11-28 03:32:22,260 INFO L471 AbstractCegarLoop]: Abstraction has has 245 places, 254 transitions, 3712 flow [2024-11-28 03:32:22,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:22,261 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:22,261 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:22,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 03:32:22,261 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:22,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:22,262 INFO L85 PathProgramCache]: Analyzing trace with hash 2057166246, now seen corresponding path program 2 times [2024-11-28 03:32:22,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:22,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267164430] [2024-11-28 03:32:22,262 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:22,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:22,298 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:22,298 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:23,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:23,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:23,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267164430] [2024-11-28 03:32:23,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267164430] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:23,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:23,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:23,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515979955] [2024-11-28 03:32:23,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:23,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:23,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:23,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:23,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:23,103 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:23,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 245 places, 254 transitions, 3712 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:23,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:23,104 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:23,104 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:25,434 INFO L124 PetriNetUnfolderBase]: 1721/3271 cut-off events. [2024-11-28 03:32:25,434 INFO L125 PetriNetUnfolderBase]: For 37281/37291 co-relation queries the response was YES. [2024-11-28 03:32:25,455 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17559 conditions, 3271 events. 1721/3271 cut-off events. For 37281/37291 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 20776 event pairs, 606 based on Foata normal form. 46/3317 useless extension candidates. Maximal degree in co-relation 17479. Up to 2184 conditions per place. [2024-11-28 03:32:25,465 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 247 selfloop transitions, 92 changer transitions 10/351 dead transitions. [2024-11-28 03:32:25,465 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 267 places, 351 transitions, 4639 flow [2024-11-28 03:32:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:32:25,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-28 03:32:25,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 338 transitions. [2024-11-28 03:32:25,467 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32007575757575757 [2024-11-28 03:32:25,467 INFO L175 Difference]: Start difference. First operand has 245 places, 254 transitions, 3712 flow. Second operand 24 states and 338 transitions. [2024-11-28 03:32:25,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 267 places, 351 transitions, 4639 flow [2024-11-28 03:32:25,731 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 249 places, 351 transitions, 4488 flow, removed 8 selfloop flow, removed 18 redundant places. [2024-11-28 03:32:25,735 INFO L231 Difference]: Finished difference. Result has 252 places, 250 transitions, 3755 flow [2024-11-28 03:32:25,736 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3497, PETRI_DIFFERENCE_MINUEND_PLACES=226, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=251, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=90, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=159, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3755, PETRI_PLACES=252, PETRI_TRANSITIONS=250} [2024-11-28 03:32:25,736 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 207 predicate places. [2024-11-28 03:32:25,736 INFO L471 AbstractCegarLoop]: Abstraction has has 252 places, 250 transitions, 3755 flow [2024-11-28 03:32:25,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:25,737 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:25,737 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:25,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 03:32:25,737 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:25,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:25,738 INFO L85 PathProgramCache]: Analyzing trace with hash -78545848, now seen corresponding path program 3 times [2024-11-28 03:32:25,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:25,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480102045] [2024-11-28 03:32:25,738 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:32:25,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:25,758 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:32:25,758 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:26,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:26,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:26,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480102045] [2024-11-28 03:32:26,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480102045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:26,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:26,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:26,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991176989] [2024-11-28 03:32:26,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:26,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:26,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:26,596 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:26,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:26,596 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:26,596 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 252 places, 250 transitions, 3755 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:26,596 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:26,596 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:26,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:28,504 INFO L124 PetriNetUnfolderBase]: 1682/3230 cut-off events. [2024-11-28 03:32:28,504 INFO L125 PetriNetUnfolderBase]: For 38925/38935 co-relation queries the response was YES. [2024-11-28 03:32:28,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17875 conditions, 3230 events. 1682/3230 cut-off events. For 38925/38935 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 20577 event pairs, 394 based on Foata normal form. 32/3262 useless extension candidates. Maximal degree in co-relation 16910. Up to 1160 conditions per place. [2024-11-28 03:32:28,530 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 226 selfloop transitions, 120 changer transitions 15/363 dead transitions. [2024-11-28 03:32:28,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 272 places, 363 transitions, 4945 flow [2024-11-28 03:32:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-28 03:32:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2024-11-28 03:32:28,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 341 transitions. [2024-11-28 03:32:28,532 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3229166666666667 [2024-11-28 03:32:28,532 INFO L175 Difference]: Start difference. First operand has 252 places, 250 transitions, 3755 flow. Second operand 24 states and 341 transitions. [2024-11-28 03:32:28,532 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 272 places, 363 transitions, 4945 flow [2024-11-28 03:32:28,761 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 253 places, 363 transitions, 4739 flow, removed 30 selfloop flow, removed 19 redundant places. [2024-11-28 03:32:28,765 INFO L231 Difference]: Finished difference. Result has 257 places, 250 transitions, 3932 flow [2024-11-28 03:32:28,766 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3542, PETRI_DIFFERENCE_MINUEND_PLACES=230, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=247, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=115, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=3932, PETRI_PLACES=257, PETRI_TRANSITIONS=250} [2024-11-28 03:32:28,766 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 212 predicate places. [2024-11-28 03:32:28,767 INFO L471 AbstractCegarLoop]: Abstraction has has 257 places, 250 transitions, 3932 flow [2024-11-28 03:32:28,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:28,767 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:28,767 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:28,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 03:32:28,767 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:28,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338218, now seen corresponding path program 4 times [2024-11-28 03:32:28,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:28,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708912290] [2024-11-28 03:32:28,768 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:32:28,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:28,791 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:32:28,791 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:29,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:29,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:29,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708912290] [2024-11-28 03:32:29,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708912290] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:29,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:29,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:29,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [660629667] [2024-11-28 03:32:29,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:29,752 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:29,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:29,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:29,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:29,754 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:29,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 257 places, 250 transitions, 3932 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:29,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:29,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:29,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:32,069 INFO L124 PetriNetUnfolderBase]: 1760/3392 cut-off events. [2024-11-28 03:32:32,069 INFO L125 PetriNetUnfolderBase]: For 41560/41570 co-relation queries the response was YES. [2024-11-28 03:32:32,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 3392 events. 1760/3392 cut-off events. For 41560/41570 co-relation queries the response was YES. Maximal size of possible extension queue 166. Compared 21943 event pairs, 561 based on Foata normal form. 26/3418 useless extension candidates. Maximal degree in co-relation 18420. Up to 2328 conditions per place. [2024-11-28 03:32:32,099 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 279 selfloop transitions, 93 changer transitions 0/374 dead transitions. [2024-11-28 03:32:32,099 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 278 places, 374 transitions, 5227 flow [2024-11-28 03:32:32,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-28 03:32:32,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2024-11-28 03:32:32,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 310 transitions. [2024-11-28 03:32:32,101 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3202479338842975 [2024-11-28 03:32:32,101 INFO L175 Difference]: Start difference. First operand has 257 places, 250 transitions, 3932 flow. Second operand 22 states and 310 transitions. [2024-11-28 03:32:32,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 278 places, 374 transitions, 5227 flow [2024-11-28 03:32:32,378 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 259 places, 374 transitions, 5029 flow, removed 12 selfloop flow, removed 19 redundant places. [2024-11-28 03:32:32,383 INFO L231 Difference]: Finished difference. Result has 269 places, 278 transitions, 4301 flow [2024-11-28 03:32:32,383 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=3750, PETRI_DIFFERENCE_MINUEND_PLACES=238, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=250, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=172, PETRI_DIFFERENCE_SUBTRAHEND_STATES=22, PETRI_FLOW=4301, PETRI_PLACES=269, PETRI_TRANSITIONS=278} [2024-11-28 03:32:32,384 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 224 predicate places. [2024-11-28 03:32:32,384 INFO L471 AbstractCegarLoop]: Abstraction has has 269 places, 278 transitions, 4301 flow [2024-11-28 03:32:32,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:32,384 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:32,384 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:32,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 03:32:32,384 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:32,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:32,385 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657664, now seen corresponding path program 5 times [2024-11-28 03:32:32,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368979730] [2024-11-28 03:32:32,385 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:32:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:32,408 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:32,408 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:33,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:33,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:33,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368979730] [2024-11-28 03:32:33,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368979730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:33,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:33,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:33,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115021621] [2024-11-28 03:32:33,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:33,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:33,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:33,205 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:33,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:33,206 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:33,207 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 269 places, 278 transitions, 4301 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:33,207 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:33,207 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:33,207 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:35,161 INFO L124 PetriNetUnfolderBase]: 1938/3727 cut-off events. [2024-11-28 03:32:35,162 INFO L125 PetriNetUnfolderBase]: For 48332/48342 co-relation queries the response was YES. [2024-11-28 03:32:35,184 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21622 conditions, 3727 events. 1938/3727 cut-off events. For 48332/48342 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 24690 event pairs, 411 based on Foata normal form. 28/3755 useless extension candidates. Maximal degree in co-relation 21116. Up to 1431 conditions per place. [2024-11-28 03:32:35,195 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 244 selfloop transitions, 162 changer transitions 10/418 dead transitions. [2024-11-28 03:32:35,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 291 places, 418 transitions, 6163 flow [2024-11-28 03:32:35,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:32:35,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-28 03:32:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 320 transitions. [2024-11-28 03:32:35,197 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31620553359683795 [2024-11-28 03:32:35,197 INFO L175 Difference]: Start difference. First operand has 269 places, 278 transitions, 4301 flow. Second operand 23 states and 320 transitions. [2024-11-28 03:32:35,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 291 places, 418 transitions, 6163 flow [2024-11-28 03:32:35,447 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 284 places, 418 transitions, 5948 flow, removed 61 selfloop flow, removed 7 redundant places. [2024-11-28 03:32:35,452 INFO L231 Difference]: Finished difference. Result has 293 places, 308 transitions, 5118 flow [2024-11-28 03:32:35,453 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4126, PETRI_DIFFERENCE_MINUEND_PLACES=262, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=278, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=135, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5118, PETRI_PLACES=293, PETRI_TRANSITIONS=308} [2024-11-28 03:32:35,453 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 248 predicate places. [2024-11-28 03:32:35,453 INFO L471 AbstractCegarLoop]: Abstraction has has 293 places, 308 transitions, 5118 flow [2024-11-28 03:32:35,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:35,454 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:35,454 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:35,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 03:32:35,454 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:35,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1393657665, now seen corresponding path program 4 times [2024-11-28 03:32:35,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:35,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94065908] [2024-11-28 03:32:35,455 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:32:35,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:35,478 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:32:35,479 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:36,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:36,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:36,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94065908] [2024-11-28 03:32:36,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94065908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:36,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:36,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:36,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771498238] [2024-11-28 03:32:36,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:36,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:36,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:36,302 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:36,302 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:36,302 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:36,302 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 293 places, 308 transitions, 5118 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:36,302 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:36,303 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:36,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:38,085 INFO L124 PetriNetUnfolderBase]: 1913/3692 cut-off events. [2024-11-28 03:32:38,085 INFO L125 PetriNetUnfolderBase]: For 59055/59065 co-relation queries the response was YES. [2024-11-28 03:32:38,140 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22788 conditions, 3692 events. 1913/3692 cut-off events. For 59055/59065 co-relation queries the response was YES. Maximal size of possible extension queue 190. Compared 24438 event pairs, 448 based on Foata normal form. 28/3720 useless extension candidates. Maximal degree in co-relation 22258. Up to 1559 conditions per place. [2024-11-28 03:32:38,156 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 214 selfloop transitions, 168 changer transitions 17/401 dead transitions. [2024-11-28 03:32:38,156 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 315 places, 401 transitions, 6385 flow [2024-11-28 03:32:38,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:32:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-28 03:32:38,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 310 transitions. [2024-11-28 03:32:38,158 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.30632411067193677 [2024-11-28 03:32:38,158 INFO L175 Difference]: Start difference. First operand has 293 places, 308 transitions, 5118 flow. Second operand 23 states and 310 transitions. [2024-11-28 03:32:38,158 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 315 places, 401 transitions, 6385 flow [2024-11-28 03:32:38,622 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 305 places, 401 transitions, 6198 flow, removed 38 selfloop flow, removed 10 redundant places. [2024-11-28 03:32:38,628 INFO L231 Difference]: Finished difference. Result has 310 places, 314 transitions, 5493 flow [2024-11-28 03:32:38,628 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=4919, PETRI_DIFFERENCE_MINUEND_PLACES=283, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=159, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=5493, PETRI_PLACES=310, PETRI_TRANSITIONS=314} [2024-11-28 03:32:38,629 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 265 predicate places. [2024-11-28 03:32:38,629 INFO L471 AbstractCegarLoop]: Abstraction has has 310 places, 314 transitions, 5493 flow [2024-11-28 03:32:38,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:38,629 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:38,629 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:38,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 03:32:38,630 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:38,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:38,630 INFO L85 PathProgramCache]: Analyzing trace with hash -1639338217, now seen corresponding path program 5 times [2024-11-28 03:32:38,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:38,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80485159] [2024-11-28 03:32:38,631 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:32:38,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:38,658 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:38,658 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:39,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:39,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:39,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80485159] [2024-11-28 03:32:39,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80485159] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:39,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:39,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:39,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896616590] [2024-11-28 03:32:39,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:39,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:39,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:39,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:39,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:39,469 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:39,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 310 places, 314 transitions, 5493 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:39,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:39,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:39,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:41,279 INFO L124 PetriNetUnfolderBase]: 1863/3611 cut-off events. [2024-11-28 03:32:41,279 INFO L125 PetriNetUnfolderBase]: For 63860/63870 co-relation queries the response was YES. [2024-11-28 03:32:41,297 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22612 conditions, 3611 events. 1863/3611 cut-off events. For 63860/63870 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 23918 event pairs, 609 based on Foata normal form. 32/3643 useless extension candidates. Maximal degree in co-relation 22136. Up to 2484 conditions per place. [2024-11-28 03:32:41,306 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 295 selfloop transitions, 95 changer transitions 10/402 dead transitions. [2024-11-28 03:32:41,306 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 329 places, 402 transitions, 6612 flow [2024-11-28 03:32:41,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:32:41,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:32:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 287 transitions. [2024-11-28 03:32:41,308 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3261363636363636 [2024-11-28 03:32:41,308 INFO L175 Difference]: Start difference. First operand has 310 places, 314 transitions, 5493 flow. Second operand 20 states and 287 transitions. [2024-11-28 03:32:41,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 329 places, 402 transitions, 6612 flow [2024-11-28 03:32:41,601 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 313 places, 402 transitions, 6380 flow, removed 16 selfloop flow, removed 16 redundant places. [2024-11-28 03:32:41,606 INFO L231 Difference]: Finished difference. Result has 315 places, 312 transitions, 5478 flow [2024-11-28 03:32:41,606 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5237, PETRI_DIFFERENCE_MINUEND_PLACES=294, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=312, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=93, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=5478, PETRI_PLACES=315, PETRI_TRANSITIONS=312} [2024-11-28 03:32:41,607 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 270 predicate places. [2024-11-28 03:32:41,607 INFO L471 AbstractCegarLoop]: Abstraction has has 315 places, 312 transitions, 5478 flow [2024-11-28 03:32:41,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:41,607 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:41,607 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:41,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 03:32:41,607 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:41,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:41,608 INFO L85 PathProgramCache]: Analyzing trace with hash 519916984, now seen corresponding path program 6 times [2024-11-28 03:32:41,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:41,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290627058] [2024-11-28 03:32:41,608 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:32:41,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:41,628 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 03:32:41,628 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:42,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:42,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290627058] [2024-11-28 03:32:42,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290627058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:42,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:42,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:42,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738281380] [2024-11-28 03:32:42,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:42,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:42,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:42,230 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:42,230 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:42,230 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:42,231 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 315 places, 312 transitions, 5478 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:42,231 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:42,231 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:42,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:44,413 INFO L124 PetriNetUnfolderBase]: 1818/3530 cut-off events. [2024-11-28 03:32:44,413 INFO L125 PetriNetUnfolderBase]: For 60431/60441 co-relation queries the response was YES. [2024-11-28 03:32:44,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22207 conditions, 3530 events. 1818/3530 cut-off events. For 60431/60441 co-relation queries the response was YES. Maximal size of possible extension queue 180. Compared 23334 event pairs, 372 based on Foata normal form. 28/3558 useless extension candidates. Maximal degree in co-relation 21949. Up to 1319 conditions per place. [2024-11-28 03:32:44,453 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 271 selfloop transitions, 144 changer transitions 5/422 dead transitions. [2024-11-28 03:32:44,453 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 337 places, 422 transitions, 6696 flow [2024-11-28 03:32:44,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:32:44,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-28 03:32:44,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 361 transitions. [2024-11-28 03:32:44,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3155594405594406 [2024-11-28 03:32:44,455 INFO L175 Difference]: Start difference. First operand has 315 places, 312 transitions, 5478 flow. Second operand 26 states and 361 transitions. [2024-11-28 03:32:44,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 337 places, 422 transitions, 6696 flow [2024-11-28 03:32:44,819 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 320 places, 422 transitions, 6530 flow, removed 19 selfloop flow, removed 17 redundant places. [2024-11-28 03:32:44,826 INFO L231 Difference]: Finished difference. Result has 323 places, 312 transitions, 5742 flow [2024-11-28 03:32:44,826 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5238, PETRI_DIFFERENCE_MINUEND_PLACES=295, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=5742, PETRI_PLACES=323, PETRI_TRANSITIONS=312} [2024-11-28 03:32:44,827 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 278 predicate places. [2024-11-28 03:32:44,827 INFO L471 AbstractCegarLoop]: Abstraction has has 323 places, 312 transitions, 5742 flow [2024-11-28 03:32:44,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:44,827 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:44,827 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:44,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 03:32:44,827 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:44,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:44,828 INFO L85 PathProgramCache]: Analyzing trace with hash 519916985, now seen corresponding path program 6 times [2024-11-28 03:32:44,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:44,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870503608] [2024-11-28 03:32:44,828 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:32:44,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:44,849 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-11-28 03:32:44,850 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:45,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:45,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870503608] [2024-11-28 03:32:45,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870503608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:45,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:45,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:45,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343243524] [2024-11-28 03:32:45,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:45,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:45,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:45,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:45,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:45,604 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:45,604 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 323 places, 312 transitions, 5742 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:45,605 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:45,605 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:45,605 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:47,945 INFO L124 PetriNetUnfolderBase]: 1797/3498 cut-off events. [2024-11-28 03:32:47,945 INFO L125 PetriNetUnfolderBase]: For 63545/63555 co-relation queries the response was YES. [2024-11-28 03:32:47,960 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22773 conditions, 3498 events. 1797/3498 cut-off events. For 63545/63555 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 23093 event pairs, 402 based on Foata normal form. 28/3526 useless extension candidates. Maximal degree in co-relation 22428. Up to 1451 conditions per place. [2024-11-28 03:32:47,968 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 239 selfloop transitions, 152 changer transitions 12/405 dead transitions. [2024-11-28 03:32:47,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 346 places, 405 transitions, 6850 flow [2024-11-28 03:32:47,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:32:47,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 03:32:47,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 343 transitions. [2024-11-28 03:32:47,970 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3118181818181818 [2024-11-28 03:32:47,970 INFO L175 Difference]: Start difference. First operand has 323 places, 312 transitions, 5742 flow. Second operand 25 states and 343 transitions. [2024-11-28 03:32:47,970 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 346 places, 405 transitions, 6850 flow [2024-11-28 03:32:48,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 330 places, 405 transitions, 6654 flow, removed 24 selfloop flow, removed 16 redundant places. [2024-11-28 03:32:48,266 INFO L231 Difference]: Finished difference. Result has 333 places, 309 transitions, 5919 flow [2024-11-28 03:32:48,266 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5501, PETRI_DIFFERENCE_MINUEND_PLACES=306, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=308, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=151, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=156, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=5919, PETRI_PLACES=333, PETRI_TRANSITIONS=309} [2024-11-28 03:32:48,266 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 288 predicate places. [2024-11-28 03:32:48,267 INFO L471 AbstractCegarLoop]: Abstraction has has 333 places, 309 transitions, 5919 flow [2024-11-28 03:32:48,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:48,267 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:48,267 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:48,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 03:32:48,267 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:48,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:48,267 INFO L85 PathProgramCache]: Analyzing trace with hash -407316664, now seen corresponding path program 2 times [2024-11-28 03:32:48,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:48,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048505471] [2024-11-28 03:32:48,268 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:48,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:48,284 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:48,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:48,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:48,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:48,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048505471] [2024-11-28 03:32:48,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048505471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:48,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:48,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:48,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259987122] [2024-11-28 03:32:48,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:48,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:48,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:48,728 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:48,728 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:48,728 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:48,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 333 places, 309 transitions, 5919 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:48,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:48,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:48,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:49,990 INFO L124 PetriNetUnfolderBase]: 1854/3601 cut-off events. [2024-11-28 03:32:49,990 INFO L125 PetriNetUnfolderBase]: For 70026/70036 co-relation queries the response was YES. [2024-11-28 03:32:50,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23734 conditions, 3601 events. 1854/3601 cut-off events. For 70026/70036 co-relation queries the response was YES. Maximal size of possible extension queue 191. Compared 23899 event pairs, 688 based on Foata normal form. 34/3635 useless extension candidates. Maximal degree in co-relation 23386. Up to 2701 conditions per place. [2024-11-28 03:32:50,019 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 276 selfloop transitions, 83 changer transitions 4/365 dead transitions. [2024-11-28 03:32:50,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 347 places, 365 transitions, 7056 flow [2024-11-28 03:32:50,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-28 03:32:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2024-11-28 03:32:50,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 206 transitions. [2024-11-28 03:32:50,020 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31212121212121213 [2024-11-28 03:32:50,020 INFO L175 Difference]: Start difference. First operand has 333 places, 309 transitions, 5919 flow. Second operand 15 states and 206 transitions. [2024-11-28 03:32:50,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 347 places, 365 transitions, 7056 flow [2024-11-28 03:32:50,321 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 324 places, 365 transitions, 6819 flow, removed 2 selfloop flow, removed 23 redundant places. [2024-11-28 03:32:50,326 INFO L231 Difference]: Finished difference. Result has 327 places, 318 transitions, 6082 flow [2024-11-28 03:32:50,326 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5690, PETRI_DIFFERENCE_MINUEND_PLACES=310, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=309, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=74, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=232, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=6082, PETRI_PLACES=327, PETRI_TRANSITIONS=318} [2024-11-28 03:32:50,327 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 282 predicate places. [2024-11-28 03:32:50,327 INFO L471 AbstractCegarLoop]: Abstraction has has 327 places, 318 transitions, 6082 flow [2024-11-28 03:32:50,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:50,327 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:50,327 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:50,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 03:32:50,327 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:50,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:50,327 INFO L85 PathProgramCache]: Analyzing trace with hash 1897245547, now seen corresponding path program 7 times [2024-11-28 03:32:50,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:50,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123226195] [2024-11-28 03:32:50,328 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:32:50,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:50,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:50,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123226195] [2024-11-28 03:32:50,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123226195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:50,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:50,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:50,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607667944] [2024-11-28 03:32:50,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:50,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:50,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:50,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:50,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:50,806 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:50,807 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 327 places, 318 transitions, 6082 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:50,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:50,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:50,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:52,715 INFO L124 PetriNetUnfolderBase]: 2080/4059 cut-off events. [2024-11-28 03:32:52,716 INFO L125 PetriNetUnfolderBase]: For 83137/83147 co-relation queries the response was YES. [2024-11-28 03:32:52,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27159 conditions, 4059 events. 2080/4059 cut-off events. For 83137/83147 co-relation queries the response was YES. Maximal size of possible extension queue 219. Compared 27846 event pairs, 651 based on Foata normal form. 76/4135 useless extension candidates. Maximal degree in co-relation 26739. Up to 1851 conditions per place. [2024-11-28 03:32:52,757 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 312 selfloop transitions, 126 changer transitions 9/449 dead transitions. [2024-11-28 03:32:52,757 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 353 places, 449 transitions, 8304 flow [2024-11-28 03:32:52,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-28 03:32:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2024-11-28 03:32:52,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 357 transitions. [2024-11-28 03:32:52,758 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3005050505050505 [2024-11-28 03:32:52,759 INFO L175 Difference]: Start difference. First operand has 327 places, 318 transitions, 6082 flow. Second operand 27 states and 357 transitions. [2024-11-28 03:32:52,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 353 places, 449 transitions, 8304 flow [2024-11-28 03:32:53,157 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 346 places, 449 transitions, 8191 flow, removed 21 selfloop flow, removed 7 redundant places. [2024-11-28 03:32:53,167 INFO L231 Difference]: Finished difference. Result has 352 places, 337 transitions, 6861 flow [2024-11-28 03:32:53,167 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5969, PETRI_DIFFERENCE_MINUEND_PLACES=320, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=108, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=27, PETRI_FLOW=6861, PETRI_PLACES=352, PETRI_TRANSITIONS=337} [2024-11-28 03:32:53,168 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 307 predicate places. [2024-11-28 03:32:53,168 INFO L471 AbstractCegarLoop]: Abstraction has has 352 places, 337 transitions, 6861 flow [2024-11-28 03:32:53,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:53,168 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:53,169 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:53,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 03:32:53,169 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:53,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:53,169 INFO L85 PathProgramCache]: Analyzing trace with hash -404690887, now seen corresponding path program 2 times [2024-11-28 03:32:53,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:53,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290254508] [2024-11-28 03:32:53,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:53,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:53,189 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:53,190 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:53,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:53,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:53,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290254508] [2024-11-28 03:32:53,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290254508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:53,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:53,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:32:53,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524834249] [2024-11-28 03:32:53,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:53,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:32:53,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:53,567 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:32:53,567 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:32:53,567 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:53,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 352 places, 337 transitions, 6861 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:53,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:53,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:53,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:55,273 INFO L124 PetriNetUnfolderBase]: 2031/3966 cut-off events. [2024-11-28 03:32:55,273 INFO L125 PetriNetUnfolderBase]: For 89002/89012 co-relation queries the response was YES. [2024-11-28 03:32:55,312 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27496 conditions, 3966 events. 2031/3966 cut-off events. For 89002/89012 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 26996 event pairs, 677 based on Foata normal form. 34/4000 useless extension candidates. Maximal degree in co-relation 27064. Up to 2541 conditions per place. [2024-11-28 03:32:55,325 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 230 selfloop transitions, 133 changer transitions 45/410 dead transitions. [2024-11-28 03:32:55,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 410 transitions, 8091 flow [2024-11-28 03:32:55,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:32:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-28 03:32:55,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 320 transitions. [2024-11-28 03:32:55,327 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27972027972027974 [2024-11-28 03:32:55,327 INFO L175 Difference]: Start difference. First operand has 352 places, 337 transitions, 6861 flow. Second operand 26 states and 320 transitions. [2024-11-28 03:32:55,327 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 410 transitions, 8091 flow [2024-11-28 03:32:55,893 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 363 places, 410 transitions, 7858 flow, removed 27 selfloop flow, removed 12 redundant places. [2024-11-28 03:32:55,901 INFO L231 Difference]: Finished difference. Result has 363 places, 323 transitions, 6538 flow [2024-11-28 03:32:55,902 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6596, PETRI_DIFFERENCE_MINUEND_PLACES=338, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=335, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=130, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=6538, PETRI_PLACES=363, PETRI_TRANSITIONS=323} [2024-11-28 03:32:55,903 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 318 predicate places. [2024-11-28 03:32:55,903 INFO L471 AbstractCegarLoop]: Abstraction has has 363 places, 323 transitions, 6538 flow [2024-11-28 03:32:55,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:32:55,903 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:55,903 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:55,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 03:32:55,903 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:55,904 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:55,904 INFO L85 PathProgramCache]: Analyzing trace with hash 1499038432, now seen corresponding path program 7 times [2024-11-28 03:32:55,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:55,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746152180] [2024-11-28 03:32:55,905 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:32:55,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:32:56,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:56,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:56,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746152180] [2024-11-28 03:32:56,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746152180] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:56,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:56,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:56,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107909594] [2024-11-28 03:32:56,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:56,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:56,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:56,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:56,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:56,491 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:56,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 363 places, 323 transitions, 6538 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:56,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:56,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:56,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:32:58,521 INFO L124 PetriNetUnfolderBase]: 1767/3518 cut-off events. [2024-11-28 03:32:58,521 INFO L125 PetriNetUnfolderBase]: For 77484/77494 co-relation queries the response was YES. [2024-11-28 03:32:58,553 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22940 conditions, 3518 events. 1767/3518 cut-off events. For 77484/77494 co-relation queries the response was YES. Maximal size of possible extension queue 183. Compared 23823 event pairs, 562 based on Foata normal form. 92/3610 useless extension candidates. Maximal degree in co-relation 22533. Up to 1781 conditions per place. [2024-11-28 03:32:58,564 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 296 selfloop transitions, 115 changer transitions 13/426 dead transitions. [2024-11-28 03:32:58,564 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 426 transitions, 7944 flow [2024-11-28 03:32:58,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-28 03:32:58,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2024-11-28 03:32:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 321 transitions. [2024-11-28 03:32:58,566 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31719367588932806 [2024-11-28 03:32:58,566 INFO L175 Difference]: Start difference. First operand has 363 places, 323 transitions, 6538 flow. Second operand 23 states and 321 transitions. [2024-11-28 03:32:58,567 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 426 transitions, 7944 flow [2024-11-28 03:32:58,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 359 places, 426 transitions, 7720 flow, removed 21 selfloop flow, removed 16 redundant places. [2024-11-28 03:32:58,977 INFO L231 Difference]: Finished difference. Result has 361 places, 322 transitions, 6628 flow [2024-11-28 03:32:58,977 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6220, PETRI_DIFFERENCE_MINUEND_PLACES=337, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=319, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=23, PETRI_FLOW=6628, PETRI_PLACES=361, PETRI_TRANSITIONS=322} [2024-11-28 03:32:58,978 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 316 predicate places. [2024-11-28 03:32:58,978 INFO L471 AbstractCegarLoop]: Abstraction has has 361 places, 322 transitions, 6628 flow [2024-11-28 03:32:58,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:58,978 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:32:58,978 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:32:58,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 03:32:58,978 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:32:58,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:32:58,979 INFO L85 PathProgramCache]: Analyzing trace with hash -2057665557, now seen corresponding path program 8 times [2024-11-28 03:32:58,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:32:58,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615968973] [2024-11-28 03:32:58,979 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:32:58,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:32:59,001 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:32:59,002 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:32:59,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:32:59,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:32:59,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615968973] [2024-11-28 03:32:59,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615968973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:32:59,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:32:59,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:32:59,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063452561] [2024-11-28 03:32:59,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:32:59,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:32:59,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:32:59,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:32:59,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:32:59,544 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:32:59,545 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 361 places, 322 transitions, 6628 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:32:59,545 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:32:59,545 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:32:59,545 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:01,565 INFO L124 PetriNetUnfolderBase]: 1943/3852 cut-off events. [2024-11-28 03:33:01,565 INFO L125 PetriNetUnfolderBase]: For 84249/84259 co-relation queries the response was YES. [2024-11-28 03:33:01,615 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25933 conditions, 3852 events. 1943/3852 cut-off events. For 84249/84259 co-relation queries the response was YES. Maximal size of possible extension queue 213. Compared 26606 event pairs, 644 based on Foata normal form. 82/3934 useless extension candidates. Maximal degree in co-relation 25476. Up to 2230 conditions per place. [2024-11-28 03:33:01,630 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 350 selfloop transitions, 98 changer transitions 4/454 dead transitions. [2024-11-28 03:33:01,630 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 378 places, 454 transitions, 9063 flow [2024-11-28 03:33:01,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:33:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:33:01,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 287 transitions. [2024-11-28 03:33:01,632 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3106060606060606 [2024-11-28 03:33:01,632 INFO L175 Difference]: Start difference. First operand has 361 places, 322 transitions, 6628 flow. Second operand 21 states and 287 transitions. [2024-11-28 03:33:01,632 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 378 places, 454 transitions, 9063 flow [2024-11-28 03:33:02,164 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 365 places, 454 transitions, 8907 flow, removed 15 selfloop flow, removed 13 redundant places. [2024-11-28 03:33:02,299 INFO L231 Difference]: Finished difference. Result has 371 places, 339 transitions, 7273 flow [2024-11-28 03:33:02,300 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6509, PETRI_DIFFERENCE_MINUEND_PLACES=345, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=322, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=7273, PETRI_PLACES=371, PETRI_TRANSITIONS=339} [2024-11-28 03:33:02,300 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 326 predicate places. [2024-11-28 03:33:02,300 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 339 transitions, 7273 flow [2024-11-28 03:33:02,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:33:02,301 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:02,301 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:02,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 03:33:02,301 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:02,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:02,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1540830186, now seen corresponding path program 3 times [2024-11-28 03:33:02,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:02,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217364167] [2024-11-28 03:33:02,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:33:02,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:02,324 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:33:02,324 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:02,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:02,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:02,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217364167] [2024-11-28 03:33:02,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217364167] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:02,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:02,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:33:02,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812569342] [2024-11-28 03:33:02,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:02,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:02,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:02,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:02,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:02,642 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:02,642 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 339 transitions, 7273 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:02,642 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:02,642 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:02,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:04,622 INFO L124 PetriNetUnfolderBase]: 2008/3987 cut-off events. [2024-11-28 03:33:04,622 INFO L125 PetriNetUnfolderBase]: For 88218/88228 co-relation queries the response was YES. [2024-11-28 03:33:04,659 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27150 conditions, 3987 events. 2008/3987 cut-off events. For 88218/88228 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 27782 event pairs, 557 based on Foata normal form. 46/4033 useless extension candidates. Maximal degree in co-relation 26689. Up to 752 conditions per place. [2024-11-28 03:33:04,672 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 289 selfloop transitions, 152 changer transitions 0/443 dead transitions. [2024-11-28 03:33:04,672 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 389 places, 443 transitions, 8886 flow [2024-11-28 03:33:04,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:33:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:33:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 304 transitions. [2024-11-28 03:33:04,674 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.34545454545454546 [2024-11-28 03:33:04,674 INFO L175 Difference]: Start difference. First operand has 371 places, 339 transitions, 7273 flow. Second operand 20 states and 304 transitions. [2024-11-28 03:33:04,674 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 389 places, 443 transitions, 8886 flow [2024-11-28 03:33:05,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 376 places, 443 transitions, 8680 flow, removed 42 selfloop flow, removed 13 redundant places. [2024-11-28 03:33:05,357 INFO L231 Difference]: Finished difference. Result has 382 places, 352 transitions, 7714 flow [2024-11-28 03:33:05,357 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7101, PETRI_DIFFERENCE_MINUEND_PLACES=357, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=339, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=139, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=197, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=7714, PETRI_PLACES=382, PETRI_TRANSITIONS=352} [2024-11-28 03:33:05,358 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 337 predicate places. [2024-11-28 03:33:05,358 INFO L471 AbstractCegarLoop]: Abstraction has has 382 places, 352 transitions, 7714 flow [2024-11-28 03:33:05,358 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:05,358 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:05,359 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:05,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 03:33:05,359 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:05,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:05,359 INFO L85 PathProgramCache]: Analyzing trace with hash -2057665558, now seen corresponding path program 8 times [2024-11-28 03:33:05,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:05,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545172652] [2024-11-28 03:33:05,360 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:33:05,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:05,378 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:33:05,378 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:05,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545172652] [2024-11-28 03:33:05,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545172652] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:05,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:05,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 03:33:05,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551404353] [2024-11-28 03:33:05,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:05,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:05,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:05,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:05,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:05,669 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:05,669 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 382 places, 352 transitions, 7714 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:05,669 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:05,669 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:05,669 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:07,632 INFO L124 PetriNetUnfolderBase]: 1900/3805 cut-off events. [2024-11-28 03:33:07,632 INFO L125 PetriNetUnfolderBase]: For 82853/82863 co-relation queries the response was YES. [2024-11-28 03:33:07,655 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25051 conditions, 3805 events. 1900/3805 cut-off events. For 82853/82863 co-relation queries the response was YES. Maximal size of possible extension queue 218. Compared 26668 event pairs, 449 based on Foata normal form. 98/3903 useless extension candidates. Maximal degree in co-relation 24565. Up to 1511 conditions per place. [2024-11-28 03:33:07,667 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 280 selfloop transitions, 144 changer transitions 14/440 dead transitions. [2024-11-28 03:33:07,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 398 places, 440 transitions, 9014 flow [2024-11-28 03:33:07,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:33:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:33:07,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 271 transitions. [2024-11-28 03:33:07,668 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3622994652406417 [2024-11-28 03:33:07,668 INFO L175 Difference]: Start difference. First operand has 382 places, 352 transitions, 7714 flow. Second operand 17 states and 271 transitions. [2024-11-28 03:33:07,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 398 places, 440 transitions, 9014 flow [2024-11-28 03:33:08,155 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 440 transitions, 8741 flow, removed 38 selfloop flow, removed 15 redundant places. [2024-11-28 03:33:08,163 INFO L231 Difference]: Finished difference. Result has 385 places, 351 transitions, 7800 flow [2024-11-28 03:33:08,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7366, PETRI_DIFFERENCE_MINUEND_PLACES=367, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=140, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=7800, PETRI_PLACES=385, PETRI_TRANSITIONS=351} [2024-11-28 03:33:08,164 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 340 predicate places. [2024-11-28 03:33:08,164 INFO L471 AbstractCegarLoop]: Abstraction has has 385 places, 351 transitions, 7800 flow [2024-11-28 03:33:08,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:08,164 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:08,164 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:08,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 03:33:08,165 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:08,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:08,165 INFO L85 PathProgramCache]: Analyzing trace with hash 720013001, now seen corresponding path program 3 times [2024-11-28 03:33:08,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:08,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283929301] [2024-11-28 03:33:08,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:33:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:08,184 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:33:08,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:08,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:08,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:08,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283929301] [2024-11-28 03:33:08,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283929301] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:08,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:08,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:33:08,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882733840] [2024-11-28 03:33:08,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:08,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:33:08,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:08,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:33:08,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:33:08,716 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:08,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 385 places, 351 transitions, 7800 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:08,716 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:08,716 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:08,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:10,888 INFO L124 PetriNetUnfolderBase]: 1784/3621 cut-off events. [2024-11-28 03:33:10,888 INFO L125 PetriNetUnfolderBase]: For 76491/76501 co-relation queries the response was YES. [2024-11-28 03:33:10,912 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24098 conditions, 3621 events. 1784/3621 cut-off events. For 76491/76501 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 25349 event pairs, 584 based on Foata normal form. 46/3667 useless extension candidates. Maximal degree in co-relation 23649. Up to 2216 conditions per place. [2024-11-28 03:33:10,922 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 265 selfloop transitions, 123 changer transitions 41/431 dead transitions. [2024-11-28 03:33:10,922 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 408 places, 431 transitions, 9056 flow [2024-11-28 03:33:10,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-28 03:33:10,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2024-11-28 03:33:10,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 332 transitions. [2024-11-28 03:33:10,924 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2902097902097902 [2024-11-28 03:33:10,924 INFO L175 Difference]: Start difference. First operand has 385 places, 351 transitions, 7800 flow. Second operand 26 states and 332 transitions. [2024-11-28 03:33:10,924 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 408 places, 431 transitions, 9056 flow [2024-11-28 03:33:11,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 395 places, 431 transitions, 8689 flow, removed 57 selfloop flow, removed 13 redundant places. [2024-11-28 03:33:11,355 INFO L231 Difference]: Finished difference. Result has 397 places, 327 transitions, 7263 flow [2024-11-28 03:33:11,356 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7429, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=348, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=121, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=225, PETRI_DIFFERENCE_SUBTRAHEND_STATES=26, PETRI_FLOW=7263, PETRI_PLACES=397, PETRI_TRANSITIONS=327} [2024-11-28 03:33:11,356 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 352 predicate places. [2024-11-28 03:33:11,356 INFO L471 AbstractCegarLoop]: Abstraction has has 397 places, 327 transitions, 7263 flow [2024-11-28 03:33:11,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:11,356 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:11,357 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:11,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 03:33:11,357 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:11,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:11,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2131812535, now seen corresponding path program 4 times [2024-11-28 03:33:11,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:11,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510651050] [2024-11-28 03:33:11,358 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:33:11,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:11,378 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:33:11,378 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:11,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:11,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:11,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510651050] [2024-11-28 03:33:11,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510651050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:11,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:11,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:33:11,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583791298] [2024-11-28 03:33:11,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:11,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:11,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:11,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:11,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:11,714 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:11,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 397 places, 327 transitions, 7263 flow. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:11,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:11,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:11,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:13,677 INFO L124 PetriNetUnfolderBase]: 1884/4079 cut-off events. [2024-11-28 03:33:13,677 INFO L125 PetriNetUnfolderBase]: For 80487/80489 co-relation queries the response was YES. [2024-11-28 03:33:13,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26154 conditions, 4079 events. 1884/4079 cut-off events. For 80487/80489 co-relation queries the response was YES. Maximal size of possible extension queue 234. Compared 31535 event pairs, 390 based on Foata normal form. 26/4105 useless extension candidates. Maximal degree in co-relation 26057. Up to 1408 conditions per place. [2024-11-28 03:33:13,733 INFO L140 encePairwiseOnDemand]: 34/44 looper letters, 344 selfloop transitions, 140 changer transitions 9/495 dead transitions. [2024-11-28 03:33:13,733 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 397 places, 495 transitions, 11389 flow [2024-11-28 03:33:13,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 03:33:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2024-11-28 03:33:13,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 195 transitions. [2024-11-28 03:33:13,734 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3693181818181818 [2024-11-28 03:33:13,734 INFO L175 Difference]: Start difference. First operand has 397 places, 327 transitions, 7263 flow. Second operand 12 states and 195 transitions. [2024-11-28 03:33:13,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 397 places, 495 transitions, 11389 flow [2024-11-28 03:33:14,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 367 places, 495 transitions, 10659 flow, removed 99 selfloop flow, removed 30 redundant places. [2024-11-28 03:33:14,302 INFO L231 Difference]: Finished difference. Result has 371 places, 357 transitions, 7716 flow [2024-11-28 03:33:14,302 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6588, PETRI_DIFFERENCE_MINUEND_PLACES=356, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=318, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=99, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=216, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=7716, PETRI_PLACES=371, PETRI_TRANSITIONS=357} [2024-11-28 03:33:14,303 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 326 predicate places. [2024-11-28 03:33:14,303 INFO L471 AbstractCegarLoop]: Abstraction has has 371 places, 357 transitions, 7716 flow [2024-11-28 03:33:14,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 8 states have internal predecessors, (64), 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) [2024-11-28 03:33:14,303 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:14,303 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:14,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 03:33:14,304 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:14,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:14,305 INFO L85 PathProgramCache]: Analyzing trace with hash -66415063, now seen corresponding path program 9 times [2024-11-28 03:33:14,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:14,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86773275] [2024-11-28 03:33:14,305 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:33:14,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:14,341 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:33:14,341 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:15,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86773275] [2024-11-28 03:33:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86773275] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:15,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:15,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:15,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685820146] [2024-11-28 03:33:15,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:15,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:15,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:15,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:15,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:15,133 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:15,133 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 371 places, 357 transitions, 7716 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:33:15,133 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:15,133 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:15,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:17,995 INFO L124 PetriNetUnfolderBase]: 2069/4412 cut-off events. [2024-11-28 03:33:17,995 INFO L125 PetriNetUnfolderBase]: For 76368/76370 co-relation queries the response was YES. [2024-11-28 03:33:18,031 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28770 conditions, 4412 events. 2069/4412 cut-off events. For 76368/76370 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 33957 event pairs, 527 based on Foata normal form. 62/4474 useless extension candidates. Maximal degree in co-relation 28679. Up to 2289 conditions per place. [2024-11-28 03:33:18,045 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 380 selfloop transitions, 128 changer transitions 0/510 dead transitions. [2024-11-28 03:33:18,045 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 510 transitions, 9975 flow [2024-11-28 03:33:18,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:33:18,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 03:33:18,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 348 transitions. [2024-11-28 03:33:18,047 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31636363636363635 [2024-11-28 03:33:18,047 INFO L175 Difference]: Start difference. First operand has 371 places, 357 transitions, 7716 flow. Second operand 25 states and 348 transitions. [2024-11-28 03:33:18,047 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 510 transitions, 9975 flow [2024-11-28 03:33:18,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 388 places, 510 transitions, 9899 flow, removed 2 selfloop flow, removed 7 redundant places. [2024-11-28 03:33:18,614 INFO L231 Difference]: Finished difference. Result has 394 places, 372 transitions, 8196 flow [2024-11-28 03:33:18,615 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7589, PETRI_DIFFERENCE_MINUEND_PLACES=364, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=354, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=111, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8196, PETRI_PLACES=394, PETRI_TRANSITIONS=372} [2024-11-28 03:33:18,615 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 349 predicate places. [2024-11-28 03:33:18,616 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 372 transitions, 8196 flow [2024-11-28 03:33:18,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:33:18,616 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:18,616 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:18,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 03:33:18,616 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:18,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:18,617 INFO L85 PathProgramCache]: Analyzing trace with hash -509705144, now seen corresponding path program 9 times [2024-11-28 03:33:18,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:18,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100230831] [2024-11-28 03:33:18,617 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:33:18,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:18,641 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:33:18,641 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:19,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:19,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100230831] [2024-11-28 03:33:19,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100230831] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:19,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:19,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:19,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108356062] [2024-11-28 03:33:19,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:19,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:19,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:19,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:19,210 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:19,210 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:19,211 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 372 transitions, 8196 flow. Second operand has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:33:19,211 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:19,211 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:19,211 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:22,048 INFO L124 PetriNetUnfolderBase]: 2031/4404 cut-off events. [2024-11-28 03:33:22,048 INFO L125 PetriNetUnfolderBase]: For 89254/89256 co-relation queries the response was YES. [2024-11-28 03:33:22,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29488 conditions, 4404 events. 2031/4404 cut-off events. For 89254/89256 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 34392 event pairs, 443 based on Foata normal form. 78/4482 useless extension candidates. Maximal degree in co-relation 29393. Up to 2083 conditions per place. [2024-11-28 03:33:22,094 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 363 selfloop transitions, 133 changer transitions 13/511 dead transitions. [2024-11-28 03:33:22,094 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 511 transitions, 10212 flow [2024-11-28 03:33:22,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-28 03:33:22,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2024-11-28 03:33:22,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 349 transitions. [2024-11-28 03:33:22,096 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.31727272727272726 [2024-11-28 03:33:22,096 INFO L175 Difference]: Start difference. First operand has 394 places, 372 transitions, 8196 flow. Second operand 25 states and 349 transitions. [2024-11-28 03:33:22,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 511 transitions, 10212 flow [2024-11-28 03:33:22,718 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 403 places, 511 transitions, 9907 flow, removed 53 selfloop flow, removed 15 redundant places. [2024-11-28 03:33:22,731 INFO L231 Difference]: Finished difference. Result has 405 places, 370 transitions, 8222 flow [2024-11-28 03:33:22,732 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7831, PETRI_DIFFERENCE_MINUEND_PLACES=379, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=8222, PETRI_PLACES=405, PETRI_TRANSITIONS=370} [2024-11-28 03:33:22,733 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 360 predicate places. [2024-11-28 03:33:22,733 INFO L471 AbstractCegarLoop]: Abstraction has has 405 places, 370 transitions, 8222 flow [2024-11-28 03:33:22,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2024-11-28 03:33:22,733 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:22,733 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:22,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 03:33:22,734 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:22,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1649550058, now seen corresponding path program 10 times [2024-11-28 03:33:22,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:22,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307640412] [2024-11-28 03:33:22,735 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:33:22,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:22,760 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:33:22,760 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:23,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:23,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307640412] [2024-11-28 03:33:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307640412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:23,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:23,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:33:23,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216052187] [2024-11-28 03:33:23,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:23,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:33:23,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:23,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:33:23,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:33:23,417 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:23,417 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 405 places, 370 transitions, 8222 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:23,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:23,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:23,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:25,968 INFO L124 PetriNetUnfolderBase]: 2023/4450 cut-off events. [2024-11-28 03:33:25,969 INFO L125 PetriNetUnfolderBase]: For 81044/81046 co-relation queries the response was YES. [2024-11-28 03:33:25,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29792 conditions, 4450 events. 2023/4450 cut-off events. For 81044/81046 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 35062 event pairs, 444 based on Foata normal form. 56/4506 useless extension candidates. Maximal degree in co-relation 29695. Up to 1751 conditions per place. [2024-11-28 03:33:26,011 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 359 selfloop transitions, 148 changer transitions 0/509 dead transitions. [2024-11-28 03:33:26,012 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 509 transitions, 10660 flow [2024-11-28 03:33:26,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-28 03:33:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2024-11-28 03:33:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 301 transitions. [2024-11-28 03:33:26,013 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.32575757575757575 [2024-11-28 03:33:26,013 INFO L175 Difference]: Start difference. First operand has 405 places, 370 transitions, 8222 flow. Second operand 21 states and 301 transitions. [2024-11-28 03:33:26,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 509 transitions, 10660 flow [2024-11-28 03:33:26,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 509 transitions, 10140 flow, removed 40 selfloop flow, removed 36 redundant places. [2024-11-28 03:33:26,572 INFO L231 Difference]: Finished difference. Result has 384 places, 381 transitions, 8552 flow [2024-11-28 03:33:26,573 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7658, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=364, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=131, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=219, PETRI_DIFFERENCE_SUBTRAHEND_STATES=21, PETRI_FLOW=8552, PETRI_PLACES=384, PETRI_TRANSITIONS=381} [2024-11-28 03:33:26,573 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 339 predicate places. [2024-11-28 03:33:26,573 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 381 transitions, 8552 flow [2024-11-28 03:33:26,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:26,573 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:26,573 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:26,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 03:33:26,574 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:26,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1649550059, now seen corresponding path program 10 times [2024-11-28 03:33:26,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:26,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605410306] [2024-11-28 03:33:26,574 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:33:26,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:26,593 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:33:26,593 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:27,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:27,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605410306] [2024-11-28 03:33:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605410306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:27,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:27,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 03:33:27,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012254300] [2024-11-28 03:33:27,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:27,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 03:33:27,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:27,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 03:33:27,104 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-28 03:33:27,104 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:27,104 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 381 transitions, 8552 flow. Second operand has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:27,104 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:27,105 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:27,105 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:29,377 INFO L124 PetriNetUnfolderBase]: 1969/4380 cut-off events. [2024-11-28 03:33:29,377 INFO L125 PetriNetUnfolderBase]: For 77206/77208 co-relation queries the response was YES. [2024-11-28 03:33:29,406 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28295 conditions, 4380 events. 1969/4380 cut-off events. For 77206/77208 co-relation queries the response was YES. Maximal size of possible extension queue 257. Compared 34635 event pairs, 618 based on Foata normal form. 56/4436 useless extension candidates. Maximal degree in co-relation 28209. Up to 2429 conditions per place. [2024-11-28 03:33:29,423 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 336 selfloop transitions, 139 changer transitions 12/489 dead transitions. [2024-11-28 03:33:29,423 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 489 transitions, 10366 flow [2024-11-28 03:33:29,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-28 03:33:29,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2024-11-28 03:33:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 283 transitions. [2024-11-28 03:33:29,424 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3215909090909091 [2024-11-28 03:33:29,424 INFO L175 Difference]: Start difference. First operand has 384 places, 381 transitions, 8552 flow. Second operand 20 states and 283 transitions. [2024-11-28 03:33:29,424 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 489 transitions, 10366 flow [2024-11-28 03:33:30,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 381 places, 489 transitions, 10041 flow, removed 16 selfloop flow, removed 20 redundant places. [2024-11-28 03:33:30,150 INFO L231 Difference]: Finished difference. Result has 384 places, 379 transitions, 8568 flow [2024-11-28 03:33:30,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8173, PETRI_DIFFERENCE_MINUEND_PLACES=362, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=136, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=237, PETRI_DIFFERENCE_SUBTRAHEND_STATES=20, PETRI_FLOW=8568, PETRI_PLACES=384, PETRI_TRANSITIONS=379} [2024-11-28 03:33:30,152 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 339 predicate places. [2024-11-28 03:33:30,152 INFO L471 AbstractCegarLoop]: Abstraction has has 384 places, 379 transitions, 8568 flow [2024-11-28 03:33:30,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 10 states have internal predecessors, (76), 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) [2024-11-28 03:33:30,152 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:30,152 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:30,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 03:33:30,153 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:30,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:30,153 INFO L85 PathProgramCache]: Analyzing trace with hash -889051221, now seen corresponding path program 1 times [2024-11-28 03:33:30,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:30,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762653075] [2024-11-28 03:33:30,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:30,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:31,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:31,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762653075] [2024-11-28 03:33:31,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762653075] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:31,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:31,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:31,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546160256] [2024-11-28 03:33:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:31,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:31,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:31,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:31,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:31,003 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:31,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 384 places, 379 transitions, 8568 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:31,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:31,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:31,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:33,578 INFO L124 PetriNetUnfolderBase]: 1968/4378 cut-off events. [2024-11-28 03:33:33,578 INFO L125 PetriNetUnfolderBase]: For 68360/68362 co-relation queries the response was YES. [2024-11-28 03:33:33,617 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28057 conditions, 4378 events. 1968/4378 cut-off events. For 68360/68362 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 34764 event pairs, 688 based on Foata normal form. 10/4388 useless extension candidates. Maximal degree in co-relation 27971. Up to 3135 conditions per place. [2024-11-28 03:33:33,758 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 267 selfloop transitions, 174 changer transitions 0/443 dead transitions. [2024-11-28 03:33:33,758 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 415 places, 443 transitions, 9732 flow [2024-11-28 03:33:33,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-28 03:33:33,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2024-11-28 03:33:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 351 transitions. [2024-11-28 03:33:33,759 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24928977272727273 [2024-11-28 03:33:33,759 INFO L175 Difference]: Start difference. First operand has 384 places, 379 transitions, 8568 flow. Second operand 32 states and 351 transitions. [2024-11-28 03:33:33,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 415 places, 443 transitions, 9732 flow [2024-11-28 03:33:34,193 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 443 transitions, 9531 flow, removed 3 selfloop flow, removed 16 redundant places. [2024-11-28 03:33:34,200 INFO L231 Difference]: Finished difference. Result has 402 places, 381 transitions, 8768 flow [2024-11-28 03:33:34,201 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8367, PETRI_DIFFERENCE_MINUEND_PLACES=368, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=172, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=32, PETRI_FLOW=8768, PETRI_PLACES=402, PETRI_TRANSITIONS=381} [2024-11-28 03:33:34,201 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 357 predicate places. [2024-11-28 03:33:34,201 INFO L471 AbstractCegarLoop]: Abstraction has has 402 places, 381 transitions, 8768 flow [2024-11-28 03:33:34,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:34,201 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:34,202 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:34,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 03:33:34,202 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:34,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:34,203 INFO L85 PathProgramCache]: Analyzing trace with hash -889051222, now seen corresponding path program 1 times [2024-11-28 03:33:34,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:34,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463542666] [2024-11-28 03:33:34,203 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:34,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:35,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:35,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:35,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463542666] [2024-11-28 03:33:35,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463542666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:35,065 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:35,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:35,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753472132] [2024-11-28 03:33:35,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:35,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:35,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:35,067 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:35,067 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:35,067 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:35,067 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 402 places, 381 transitions, 8768 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:35,068 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:35,068 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:35,068 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:37,034 INFO L124 PetriNetUnfolderBase]: 1958/4339 cut-off events. [2024-11-28 03:33:37,034 INFO L125 PetriNetUnfolderBase]: For 70121/70123 co-relation queries the response was YES. [2024-11-28 03:33:37,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28067 conditions, 4339 events. 1958/4339 cut-off events. For 70121/70123 co-relation queries the response was YES. Maximal size of possible extension queue 262. Compared 34430 event pairs, 760 based on Foata normal form. 10/4347 useless extension candidates. Maximal degree in co-relation 27979. Up to 3704 conditions per place. [2024-11-28 03:33:37,074 INFO L140 encePairwiseOnDemand]: 32/44 looper letters, 341 selfloop transitions, 53 changer transitions 21/417 dead transitions. [2024-11-28 03:33:37,074 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 418 places, 417 transitions, 9721 flow [2024-11-28 03:33:37,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:33:37,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:33:37,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 202 transitions. [2024-11-28 03:33:37,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2700534759358289 [2024-11-28 03:33:37,075 INFO L175 Difference]: Start difference. First operand has 402 places, 381 transitions, 8768 flow. Second operand 17 states and 202 transitions. [2024-11-28 03:33:37,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 418 places, 417 transitions, 9721 flow [2024-11-28 03:33:37,633 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 417 transitions, 9416 flow, removed 6 selfloop flow, removed 26 redundant places. [2024-11-28 03:33:37,640 INFO L231 Difference]: Finished difference. Result has 392 places, 374 transitions, 8457 flow [2024-11-28 03:33:37,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8435, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=380, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=53, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=327, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8457, PETRI_PLACES=392, PETRI_TRANSITIONS=374} [2024-11-28 03:33:37,641 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 347 predicate places. [2024-11-28 03:33:37,641 INFO L471 AbstractCegarLoop]: Abstraction has has 392 places, 374 transitions, 8457 flow [2024-11-28 03:33:37,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:37,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:37,641 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:37,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 03:33:37,642 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:37,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:37,642 INFO L85 PathProgramCache]: Analyzing trace with hash 839996112, now seen corresponding path program 2 times [2024-11-28 03:33:37,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:37,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348749897] [2024-11-28 03:33:37,643 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:33:37,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:37,663 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:33:37,664 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:38,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:38,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:38,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348749897] [2024-11-28 03:33:38,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348749897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:38,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:38,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:38,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621393148] [2024-11-28 03:33:38,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:38,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:38,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:38,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:38,345 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:38,345 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:38,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 392 places, 374 transitions, 8457 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:38,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:38,346 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:38,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:40,265 INFO L124 PetriNetUnfolderBase]: 1906/4238 cut-off events. [2024-11-28 03:33:40,265 INFO L125 PetriNetUnfolderBase]: For 66729/66731 co-relation queries the response was YES. [2024-11-28 03:33:40,290 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27320 conditions, 4238 events. 1906/4238 cut-off events. For 66729/66731 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 33548 event pairs, 744 based on Foata normal form. 10/4246 useless extension candidates. Maximal degree in co-relation 27235. Up to 3704 conditions per place. [2024-11-28 03:33:40,303 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 342 selfloop transitions, 52 changer transitions 0/396 dead transitions. [2024-11-28 03:33:40,303 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 396 transitions, 9303 flow [2024-11-28 03:33:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-28 03:33:40,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2024-11-28 03:33:40,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 158 transitions. [2024-11-28 03:33:40,304 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2762237762237762 [2024-11-28 03:33:40,304 INFO L175 Difference]: Start difference. First operand has 392 places, 374 transitions, 8457 flow. Second operand 13 states and 158 transitions. [2024-11-28 03:33:40,304 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 396 transitions, 9303 flow [2024-11-28 03:33:40,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 396 transitions, 8834 flow, removed 25 selfloop flow, removed 22 redundant places. [2024-11-28 03:33:40,748 INFO L231 Difference]: Finished difference. Result has 372 places, 373 transitions, 8067 flow [2024-11-28 03:33:40,749 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7963, PETRI_DIFFERENCE_MINUEND_PLACES=360, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=321, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=8067, PETRI_PLACES=372, PETRI_TRANSITIONS=373} [2024-11-28 03:33:40,749 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 327 predicate places. [2024-11-28 03:33:40,750 INFO L471 AbstractCegarLoop]: Abstraction has has 372 places, 373 transitions, 8067 flow [2024-11-28 03:33:40,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:40,750 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:40,750 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:40,750 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 03:33:40,750 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:40,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:40,751 INFO L85 PathProgramCache]: Analyzing trace with hash 839996113, now seen corresponding path program 2 times [2024-11-28 03:33:40,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:40,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835616956] [2024-11-28 03:33:40,751 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:33:40,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:40,773 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:33:40,773 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:41,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:41,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:41,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835616956] [2024-11-28 03:33:41,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835616956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:41,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:41,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-28 03:33:41,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585703899] [2024-11-28 03:33:41,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:41,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-28 03:33:41,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:41,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-28 03:33:41,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-28 03:33:41,751 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:41,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 372 places, 373 transitions, 8067 flow. Second operand has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:41,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:41,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:41,752 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:44,338 INFO L124 PetriNetUnfolderBase]: 1896/4236 cut-off events. [2024-11-28 03:33:44,339 INFO L125 PetriNetUnfolderBase]: For 55709/55711 co-relation queries the response was YES. [2024-11-28 03:33:44,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 26888 conditions, 4236 events. 1896/4236 cut-off events. For 55709/55711 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 33524 event pairs, 684 based on Foata normal form. 10/4246 useless extension candidates. Maximal degree in co-relation 26815. Up to 3135 conditions per place. [2024-11-28 03:33:44,379 INFO L140 encePairwiseOnDemand]: 33/44 looper letters, 221 selfloop transitions, 156 changer transitions 38/417 dead transitions. [2024-11-28 03:33:44,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 393 places, 417 transitions, 9033 flow [2024-11-28 03:33:44,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 03:33:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-28 03:33:44,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 305 transitions. [2024-11-28 03:33:44,381 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.24756493506493507 [2024-11-28 03:33:44,381 INFO L175 Difference]: Start difference. First operand has 372 places, 373 transitions, 8067 flow. Second operand 28 states and 305 transitions. [2024-11-28 03:33:44,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 393 places, 417 transitions, 9033 flow [2024-11-28 03:33:44,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 417 transitions, 8772 flow, removed 3 selfloop flow, removed 16 redundant places. [2024-11-28 03:33:44,887 INFO L231 Difference]: Finished difference. Result has 377 places, 346 transitions, 7740 flow [2024-11-28 03:33:44,887 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7780, PETRI_DIFFERENCE_MINUEND_PLACES=350, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=370, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=156, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=214, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=7740, PETRI_PLACES=377, PETRI_TRANSITIONS=346} [2024-11-28 03:33:44,888 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 332 predicate places. [2024-11-28 03:33:44,888 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 346 transitions, 7740 flow [2024-11-28 03:33:44,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.545454545454546) internal successors, (83), 11 states have internal predecessors, (83), 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) [2024-11-28 03:33:44,888 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:44,889 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:44,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 03:33:44,889 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:44,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:44,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1437706756, now seen corresponding path program 1 times [2024-11-28 03:33:44,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:44,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408378408] [2024-11-28 03:33:44,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:33:44,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:44,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:33:46,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:46,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:46,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408378408] [2024-11-28 03:33:46,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408378408] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:46,388 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:46,388 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-28 03:33:46,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060791566] [2024-11-28 03:33:46,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:46,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 03:33:46,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:46,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 03:33:46,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-28 03:33:46,389 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:46,389 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 346 transitions, 7740 flow. Second operand has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2024-11-28 03:33:46,389 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:46,390 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:46,390 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:48,784 INFO L124 PetriNetUnfolderBase]: 1878/4287 cut-off events. [2024-11-28 03:33:48,784 INFO L125 PetriNetUnfolderBase]: For 61101/61103 co-relation queries the response was YES. [2024-11-28 03:33:48,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27829 conditions, 4287 events. 1878/4287 cut-off events. For 61101/61103 co-relation queries the response was YES. Maximal size of possible extension queue 267. Compared 34869 event pairs, 982 based on Foata normal form. 18/4305 useless extension candidates. Maximal degree in co-relation 27758. Up to 3548 conditions per place. [2024-11-28 03:33:48,825 INFO L140 encePairwiseOnDemand]: 31/44 looper letters, 272 selfloop transitions, 135 changer transitions 5/414 dead transitions. [2024-11-28 03:33:48,825 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 364 places, 414 transitions, 9725 flow [2024-11-28 03:33:48,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-28 03:33:48,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2024-11-28 03:33:48,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 210 transitions. [2024-11-28 03:33:48,826 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2807486631016043 [2024-11-28 03:33:48,826 INFO L175 Difference]: Start difference. First operand has 377 places, 346 transitions, 7740 flow. Second operand 17 states and 210 transitions. [2024-11-28 03:33:48,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 364 places, 414 transitions, 9725 flow [2024-11-28 03:33:49,219 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 334 places, 414 transitions, 9301 flow, removed 19 selfloop flow, removed 30 redundant places. [2024-11-28 03:33:49,227 INFO L231 Difference]: Finished difference. Result has 341 places, 375 transitions, 8672 flow [2024-11-28 03:33:49,227 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=7376, PETRI_DIFFERENCE_MINUEND_PLACES=318, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=346, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=106, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=236, PETRI_DIFFERENCE_SUBTRAHEND_STATES=17, PETRI_FLOW=8672, PETRI_PLACES=341, PETRI_TRANSITIONS=375} [2024-11-28 03:33:49,228 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 296 predicate places. [2024-11-28 03:33:49,228 INFO L471 AbstractCegarLoop]: Abstraction has has 341 places, 375 transitions, 8672 flow [2024-11-28 03:33:49,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.714285714285714) internal successors, (108), 14 states have internal predecessors, (108), 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) [2024-11-28 03:33:49,228 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:49,228 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:49,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 03:33:49,228 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:49,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:49,229 INFO L85 PathProgramCache]: Analyzing trace with hash 813277124, now seen corresponding path program 2 times [2024-11-28 03:33:49,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:49,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197245427] [2024-11-28 03:33:49,229 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:33:49,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:49,257 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 03:33:49,257 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:50,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:50,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:50,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197245427] [2024-11-28 03:33:50,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197245427] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:50,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:50,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-28 03:33:50,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376739979] [2024-11-28 03:33:50,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:50,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:33:50,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:50,048 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:33:50,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-28 03:33:50,048 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:50,049 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 341 places, 375 transitions, 8672 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:33:50,049 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:50,049 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:50,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:52,462 INFO L124 PetriNetUnfolderBase]: 1887/4296 cut-off events. [2024-11-28 03:33:52,462 INFO L125 PetriNetUnfolderBase]: For 61641/61643 co-relation queries the response was YES. [2024-11-28 03:33:52,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28766 conditions, 4296 events. 1887/4296 cut-off events. For 61641/61643 co-relation queries the response was YES. Maximal size of possible extension queue 272. Compared 34996 event pairs, 920 based on Foata normal form. 22/4318 useless extension candidates. Maximal degree in co-relation 28691. Up to 3228 conditions per place. [2024-11-28 03:33:52,507 INFO L140 encePairwiseOnDemand]: 30/44 looper letters, 239 selfloop transitions, 81 changer transitions 117/439 dead transitions. [2024-11-28 03:33:52,507 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 357 places, 439 transitions, 9882 flow [2024-11-28 03:33:52,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-28 03:33:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2024-11-28 03:33:52,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 238 transitions. [2024-11-28 03:33:52,508 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.284688995215311 [2024-11-28 03:33:52,508 INFO L175 Difference]: Start difference. First operand has 341 places, 375 transitions, 8672 flow. Second operand 19 states and 238 transitions. [2024-11-28 03:33:52,508 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 357 places, 439 transitions, 9882 flow [2024-11-28 03:33:52,972 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 347 places, 439 transitions, 9595 flow, removed 12 selfloop flow, removed 10 redundant places. [2024-11-28 03:33:52,980 INFO L231 Difference]: Finished difference. Result has 350 places, 308 transitions, 6550 flow [2024-11-28 03:33:52,980 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8334, PETRI_DIFFERENCE_MINUEND_PLACES=329, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=373, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=292, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=6550, PETRI_PLACES=350, PETRI_TRANSITIONS=308} [2024-11-28 03:33:52,980 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 305 predicate places. [2024-11-28 03:33:52,981 INFO L471 AbstractCegarLoop]: Abstraction has has 350 places, 308 transitions, 6550 flow [2024-11-28 03:33:52,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:33:52,981 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:52,981 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:52,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 03:33:52,981 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:52,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:52,982 INFO L85 PathProgramCache]: Analyzing trace with hash 845650564, now seen corresponding path program 3 times [2024-11-28 03:33:52,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:52,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321799478] [2024-11-28 03:33:52,982 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:33:52,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:53,009 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:33:53,009 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:53,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:33:53,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:53,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321799478] [2024-11-28 03:33:53,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321799478] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:53,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:33:53,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:33:53,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724597154] [2024-11-28 03:33:53,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:53,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:33:53,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:53,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:33:53,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:33:53,429 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:53,429 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 350 places, 308 transitions, 6550 flow. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-11-28 03:33:53,429 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:53,429 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:53,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:54,437 INFO L124 PetriNetUnfolderBase]: 1447/3265 cut-off events. [2024-11-28 03:33:54,438 INFO L125 PetriNetUnfolderBase]: For 41652/41652 co-relation queries the response was YES. [2024-11-28 03:33:54,459 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21655 conditions, 3265 events. 1447/3265 cut-off events. For 41652/41652 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 25058 event pairs, 573 based on Foata normal form. 35/3300 useless extension candidates. Maximal degree in co-relation 21579. Up to 2392 conditions per place. [2024-11-28 03:33:54,468 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 242 selfloop transitions, 127 changer transitions 1/372 dead transitions. [2024-11-28 03:33:54,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 338 places, 372 transitions, 8258 flow [2024-11-28 03:33:54,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:33:54,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:33:54,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 132 transitions. [2024-11-28 03:33:54,469 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.3 [2024-11-28 03:33:54,469 INFO L175 Difference]: Start difference. First operand has 350 places, 308 transitions, 6550 flow. Second operand 10 states and 132 transitions. [2024-11-28 03:33:54,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 338 places, 372 transitions, 8258 flow [2024-11-28 03:33:54,773 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 298 places, 372 transitions, 7638 flow, removed 29 selfloop flow, removed 40 redundant places. [2024-11-28 03:33:54,779 INFO L231 Difference]: Finished difference. Result has 304 places, 341 transitions, 6891 flow [2024-11-28 03:33:54,779 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=5655, PETRI_DIFFERENCE_MINUEND_PLACES=289, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=295, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=82, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=6891, PETRI_PLACES=304, PETRI_TRANSITIONS=341} [2024-11-28 03:33:54,780 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 259 predicate places. [2024-11-28 03:33:54,780 INFO L471 AbstractCegarLoop]: Abstraction has has 304 places, 341 transitions, 6891 flow [2024-11-28 03:33:54,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-11-28 03:33:54,780 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:33:54,780 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:33:54,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 03:33:54,781 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:33:54,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:33:54,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1644223044, now seen corresponding path program 4 times [2024-11-28 03:33:54,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:33:54,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61491041] [2024-11-28 03:33:54,781 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:33:54,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:33:54,813 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:33:54,813 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:55,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:55,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:33:55,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61491041] [2024-11-28 03:33:55,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61491041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:33:55,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663732436] [2024-11-28 03:33:55,847 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:33:55,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:33:55,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:33:55,849 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:33:55,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:33:56,148 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:33:56,148 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:33:56,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-28 03:33:56,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:33:56,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:33:56,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:33:56,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 03:33:56,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:33:57,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:33:57,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:33:57,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:33:57,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:33:57,285 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:33:57,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663732436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:33:57,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:33:57,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 23 [2024-11-28 03:33:57,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030879674] [2024-11-28 03:33:57,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:33:57,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:33:57,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:33:57,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:33:57,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=482, Unknown=0, NotChecked=0, Total=552 [2024-11-28 03:33:57,288 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:33:57,288 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 304 places, 341 transitions, 6891 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:33:57,288 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:33:57,289 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:33:57,289 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:33:59,995 INFO L124 PetriNetUnfolderBase]: 1546/3704 cut-off events. [2024-11-28 03:33:59,995 INFO L125 PetriNetUnfolderBase]: For 43829/43829 co-relation queries the response was YES. [2024-11-28 03:34:00,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23390 conditions, 3704 events. 1546/3704 cut-off events. For 43829/43829 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 30119 event pairs, 447 based on Foata normal form. 76/3780 useless extension candidates. Maximal degree in co-relation 23323. Up to 1594 conditions per place. [2024-11-28 03:34:00,051 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 263 selfloop transitions, 234 changer transitions 13/512 dead transitions. [2024-11-28 03:34:00,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 331 places, 512 transitions, 9987 flow [2024-11-28 03:34:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-28 03:34:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2024-11-28 03:34:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 346 transitions. [2024-11-28 03:34:00,053 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.28084415584415584 [2024-11-28 03:34:00,053 INFO L175 Difference]: Start difference. First operand has 304 places, 341 transitions, 6891 flow. Second operand 28 states and 346 transitions. [2024-11-28 03:34:00,053 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 331 places, 512 transitions, 9987 flow [2024-11-28 03:34:00,386 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 328 places, 512 transitions, 9907 flow, removed 34 selfloop flow, removed 3 redundant places. [2024-11-28 03:34:00,401 INFO L231 Difference]: Finished difference. Result has 340 places, 407 transitions, 9007 flow [2024-11-28 03:34:00,402 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=6849, PETRI_DIFFERENCE_MINUEND_PLACES=301, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=178, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=147, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=9007, PETRI_PLACES=340, PETRI_TRANSITIONS=407} [2024-11-28 03:34:00,402 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 295 predicate places. [2024-11-28 03:34:00,402 INFO L471 AbstractCegarLoop]: Abstraction has has 340 places, 407 transitions, 9007 flow [2024-11-28 03:34:00,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:34:00,402 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:34:00,402 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:00,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:34:00,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:00,603 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:34:00,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:00,604 INFO L85 PathProgramCache]: Analyzing trace with hash -578291964, now seen corresponding path program 5 times [2024-11-28 03:34:00,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:00,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665945674] [2024-11-28 03:34:00,604 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:34:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:00,640 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:34:00,640 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:01,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:01,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665945674] [2024-11-28 03:34:01,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665945674] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:01,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524194553] [2024-11-28 03:34:01,921 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:34:01,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:01,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:01,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:01,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:34:02,214 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:34:02,215 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:02,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-28 03:34:02,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:02,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:34:02,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:34:02,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 03:34:02,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:34:02,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:34:02,862 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-11-28 03:34:02,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 25 [2024-11-28 03:34:02,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:34:02,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:02,922 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:34:02,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524194553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:34:02,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:34:02,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [12] total 21 [2024-11-28 03:34:02,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126938935] [2024-11-28 03:34:02,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:34:02,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-28 03:34:02,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:02,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-28 03:34:02,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-11-28 03:34:02,924 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:34:02,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 340 places, 407 transitions, 9007 flow. Second operand has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:34:02,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:34:02,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:34:02,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:34:06,092 INFO L124 PetriNetUnfolderBase]: 1665/4059 cut-off events. [2024-11-28 03:34:06,092 INFO L125 PetriNetUnfolderBase]: For 64222/64222 co-relation queries the response was YES. [2024-11-28 03:34:06,124 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28291 conditions, 4059 events. 1665/4059 cut-off events. For 64222/64222 co-relation queries the response was YES. Maximal size of possible extension queue 258. Compared 34461 event pairs, 462 based on Foata normal form. 96/4155 useless extension candidates. Maximal degree in co-relation 28211. Up to 1515 conditions per place. [2024-11-28 03:34:06,139 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 371 selfloop transitions, 273 changer transitions 22/668 dead transitions. [2024-11-28 03:34:06,139 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 369 places, 668 transitions, 14782 flow [2024-11-28 03:34:06,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 03:34:06,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-11-28 03:34:06,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 399 transitions. [2024-11-28 03:34:06,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.27479338842975204 [2024-11-28 03:34:06,141 INFO L175 Difference]: Start difference. First operand has 340 places, 407 transitions, 9007 flow. Second operand 33 states and 399 transitions. [2024-11-28 03:34:06,141 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 369 places, 668 transitions, 14782 flow [2024-11-28 03:34:06,578 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 354 places, 668 transitions, 14324 flow, removed 81 selfloop flow, removed 15 redundant places. [2024-11-28 03:34:06,590 INFO L231 Difference]: Finished difference. Result has 364 places, 511 transitions, 12332 flow [2024-11-28 03:34:06,590 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=8675, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=407, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=171, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=206, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=12332, PETRI_PLACES=364, PETRI_TRANSITIONS=511} [2024-11-28 03:34:06,590 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 319 predicate places. [2024-11-28 03:34:06,590 INFO L471 AbstractCegarLoop]: Abstraction has has 364 places, 511 transitions, 12332 flow [2024-11-28 03:34:06,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.846153846153846) internal successors, (102), 13 states have internal predecessors, (102), 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) [2024-11-28 03:34:06,591 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:34:06,591 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:06,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:34:06,791 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:06,791 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:34:06,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:06,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1697472666, now seen corresponding path program 6 times [2024-11-28 03:34:06,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:06,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806806054] [2024-11-28 03:34:06,792 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:34:06,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:06,824 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-28 03:34:06,824 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:07,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:07,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806806054] [2024-11-28 03:34:07,808 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806806054] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:07,808 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975421592] [2024-11-28 03:34:07,808 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:34:07,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:07,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:07,810 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:07,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 03:34:08,155 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-28 03:34:08,156 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:08,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-28 03:34:08,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:08,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:34:08,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:34:08,605 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-28 03:34:08,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:34:08,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:34:08,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:34:08,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:34:08,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:08,828 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:14,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975421592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:14,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:14,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2024-11-28 03:34:14,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394612254] [2024-11-28 03:34:14,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:14,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-28 03:34:14,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:14,162 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-28 03:34:14,162 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=989, Unknown=1, NotChecked=0, Total=1122 [2024-11-28 03:34:14,163 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:34:14,163 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 364 places, 511 transitions, 12332 flow. Second operand has 34 states, 34 states have (on average 8.029411764705882) internal successors, (273), 34 states have internal predecessors, (273), 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) [2024-11-28 03:34:14,163 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:34:14,163 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:34:14,163 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:34:20,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:34:21,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:34:28,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:34:30,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:34:34,335 INFO L124 PetriNetUnfolderBase]: 1743/4246 cut-off events. [2024-11-28 03:34:34,335 INFO L125 PetriNetUnfolderBase]: For 66913/66913 co-relation queries the response was YES. [2024-11-28 03:34:34,366 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30280 conditions, 4246 events. 1743/4246 cut-off events. For 66913/66913 co-relation queries the response was YES. Maximal size of possible extension queue 275. Compared 36493 event pairs, 590 based on Foata normal form. 29/4275 useless extension candidates. Maximal degree in co-relation 30196. Up to 2764 conditions per place. [2024-11-28 03:34:34,379 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 390 selfloop transitions, 145 changer transitions 146/683 dead transitions. [2024-11-28 03:34:34,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 401 places, 683 transitions, 15186 flow [2024-11-28 03:34:34,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-28 03:34:34,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2024-11-28 03:34:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 479 transitions. [2024-11-28 03:34:34,381 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.25317124735729385 [2024-11-28 03:34:34,381 INFO L175 Difference]: Start difference. First operand has 364 places, 511 transitions, 12332 flow. Second operand 43 states and 479 transitions. [2024-11-28 03:34:34,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 401 places, 683 transitions, 15186 flow [2024-11-28 03:34:34,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 385 places, 683 transitions, 14753 flow, removed 80 selfloop flow, removed 16 redundant places. [2024-11-28 03:34:34,991 INFO L231 Difference]: Finished difference. Result has 408 places, 491 transitions, 12139 flow [2024-11-28 03:34:34,992 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=11930, PETRI_DIFFERENCE_MINUEND_PLACES=343, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=510, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=134, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=43, PETRI_FLOW=12139, PETRI_PLACES=408, PETRI_TRANSITIONS=491} [2024-11-28 03:34:34,992 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 363 predicate places. [2024-11-28 03:34:34,992 INFO L471 AbstractCegarLoop]: Abstraction has has 408 places, 491 transitions, 12139 flow [2024-11-28 03:34:34,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.029411764705882) internal successors, (273), 34 states have internal predecessors, (273), 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) [2024-11-28 03:34:34,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:34:34,993 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:35,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 03:34:35,193 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:35,194 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:34:35,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:35,194 INFO L85 PathProgramCache]: Analyzing trace with hash 890089608, now seen corresponding path program 7 times [2024-11-28 03:34:35,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:35,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229720108] [2024-11-28 03:34:35,195 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:34:35,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:36,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:36,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229720108] [2024-11-28 03:34:36,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229720108] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:36,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49394253] [2024-11-28 03:34:36,971 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:34:36,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:36,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:36,973 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:36,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 03:34:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:34:37,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-28 03:34:37,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:37,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:34:37,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:34:37,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 03:34:37,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:34:38,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:34:38,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:34:38,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:34:38,167 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:38,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:40,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49394253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:40,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:40,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2024-11-28 03:34:40,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894089730] [2024-11-28 03:34:40,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:40,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 03:34:40,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:40,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 03:34:40,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1018, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:34:40,353 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:34:40,354 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 408 places, 491 transitions, 12139 flow. Second operand has 35 states, 35 states have (on average 7.9714285714285715) internal successors, (279), 35 states have internal predecessors, (279), 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) [2024-11-28 03:34:40,354 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:34:40,354 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:34:40,354 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:34:48,576 INFO L124 PetriNetUnfolderBase]: 2010/5090 cut-off events. [2024-11-28 03:34:48,576 INFO L125 PetriNetUnfolderBase]: For 79738/79738 co-relation queries the response was YES. [2024-11-28 03:34:48,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 35110 conditions, 5090 events. 2010/5090 cut-off events. For 79738/79738 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 46893 event pairs, 546 based on Foata normal form. 90/5180 useless extension candidates. Maximal degree in co-relation 35006. Up to 2263 conditions per place. [2024-11-28 03:34:48,682 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 229 selfloop transitions, 245 changer transitions 247/723 dead transitions. [2024-11-28 03:34:48,683 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 404 places, 723 transitions, 16375 flow [2024-11-28 03:34:48,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-28 03:34:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2024-11-28 03:34:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 371 transitions. [2024-11-28 03:34:48,685 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2719941348973607 [2024-11-28 03:34:48,685 INFO L175 Difference]: Start difference. First operand has 408 places, 491 transitions, 12139 flow. Second operand 31 states and 371 transitions. [2024-11-28 03:34:48,685 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 404 places, 723 transitions, 16375 flow [2024-11-28 03:34:49,631 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 723 transitions, 15812 flow, removed 121 selfloop flow, removed 26 redundant places. [2024-11-28 03:34:49,651 INFO L231 Difference]: Finished difference. Result has 391 places, 433 transitions, 11438 flow [2024-11-28 03:34:49,651 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=11681, PETRI_DIFFERENCE_MINUEND_PLACES=348, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=490, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=217, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=267, PETRI_DIFFERENCE_SUBTRAHEND_STATES=31, PETRI_FLOW=11438, PETRI_PLACES=391, PETRI_TRANSITIONS=433} [2024-11-28 03:34:49,652 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 346 predicate places. [2024-11-28 03:34:49,652 INFO L471 AbstractCegarLoop]: Abstraction has has 391 places, 433 transitions, 11438 flow [2024-11-28 03:34:49,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.9714285714285715) internal successors, (279), 35 states have internal predecessors, (279), 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) [2024-11-28 03:34:49,652 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:34:49,652 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:34:49,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 03:34:49,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-28 03:34:49,853 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:34:49,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:34:49,854 INFO L85 PathProgramCache]: Analyzing trace with hash 284413142, now seen corresponding path program 8 times [2024-11-28 03:34:49,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:34:49,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613579106] [2024-11-28 03:34:49,854 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:34:49,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:34:49,879 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:34:49,879 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:50,957 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:50,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:34:50,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613579106] [2024-11-28 03:34:50,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613579106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:34:50,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [871235584] [2024-11-28 03:34:50,957 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 03:34:50,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:34:50,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:34:50,959 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:34:50,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 03:34:51,314 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 03:34:51,314 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:34:51,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-28 03:34:51,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:34:51,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:34:51,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:34:51,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 03:34:52,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:34:52,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:34:52,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:34:52,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:34:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:52,222 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:34:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:34:53,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [871235584] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:34:53,915 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:34:53,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 32 [2024-11-28 03:34:53,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737799050] [2024-11-28 03:34:53,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:34:53,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-28 03:34:53,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:34:53,918 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-28 03:34:53,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=929, Unknown=0, NotChecked=0, Total=1056 [2024-11-28 03:34:53,919 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:34:53,920 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 433 transitions, 11438 flow. Second operand has 33 states, 33 states have (on average 8.090909090909092) internal successors, (267), 33 states have internal predecessors, (267), 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) [2024-11-28 03:34:53,920 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:34:53,920 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:34:53,920 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:35:05,174 INFO L124 PetriNetUnfolderBase]: 1869/5155 cut-off events. [2024-11-28 03:35:05,174 INFO L125 PetriNetUnfolderBase]: For 99357/99357 co-relation queries the response was YES. [2024-11-28 03:35:05,230 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36832 conditions, 5155 events. 1869/5155 cut-off events. For 99357/99357 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 51151 event pairs, 451 based on Foata normal form. 231/5386 useless extension candidates. Maximal degree in co-relation 36729. Up to 1181 conditions per place. [2024-11-28 03:35:05,238 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 74 selfloop transitions, 44 changer transitions 683/803 dead transitions. [2024-11-28 03:35:05,238 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 426 places, 803 transitions, 18823 flow [2024-11-28 03:35:05,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2024-11-28 03:35:05,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2024-11-28 03:35:05,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 642 transitions. [2024-11-28 03:35:05,240 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.23533724340175954 [2024-11-28 03:35:05,241 INFO L175 Difference]: Start difference. First operand has 391 places, 433 transitions, 11438 flow. Second operand 62 states and 642 transitions. [2024-11-28 03:35:05,241 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 426 places, 803 transitions, 18823 flow [2024-11-28 03:35:06,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 383 places, 803 transitions, 16556 flow, removed 295 selfloop flow, removed 43 redundant places. [2024-11-28 03:35:06,083 INFO L231 Difference]: Finished difference. Result has 390 places, 102 transitions, 2126 flow [2024-11-28 03:35:06,084 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=9773, PETRI_DIFFERENCE_MINUEND_PLACES=322, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=428, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=38, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=390, PETRI_DIFFERENCE_SUBTRAHEND_STATES=62, PETRI_FLOW=2126, PETRI_PLACES=390, PETRI_TRANSITIONS=102} [2024-11-28 03:35:06,084 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 345 predicate places. [2024-11-28 03:35:06,084 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 102 transitions, 2126 flow [2024-11-28 03:35:06,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.090909090909092) internal successors, (267), 33 states have internal predecessors, (267), 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) [2024-11-28 03:35:06,085 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:35:06,085 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:06,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 03:35:06,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-28 03:35:06,285 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:35:06,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:06,286 INFO L85 PathProgramCache]: Analyzing trace with hash 243034998, now seen corresponding path program 9 times [2024-11-28 03:35:06,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:06,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853282673] [2024-11-28 03:35:06,286 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 03:35:06,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:06,318 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-11-28 03:35:06,318 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:35:06,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:35:06,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:06,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853282673] [2024-11-28 03:35:06,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853282673] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:35:06,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:35:06,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 03:35:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734107418] [2024-11-28 03:35:06,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:35:06,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 03:35:06,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:06,795 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 03:35:06,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:35:06,796 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:35:06,796 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 102 transitions, 2126 flow. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-11-28 03:35:06,796 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:35:06,796 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:35:06,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:35:07,293 INFO L124 PetriNetUnfolderBase]: 211/569 cut-off events. [2024-11-28 03:35:07,293 INFO L125 PetriNetUnfolderBase]: For 9816/9818 co-relation queries the response was YES. [2024-11-28 03:35:07,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4290 conditions, 569 events. 211/569 cut-off events. For 9816/9818 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 3022 event pairs, 101 based on Foata normal form. 15/584 useless extension candidates. Maximal degree in co-relation 4197. Up to 439 conditions per place. [2024-11-28 03:35:07,298 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 97 selfloop transitions, 14 changer transitions 3/116 dead transitions. [2024-11-28 03:35:07,298 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 246 places, 116 transitions, 2206 flow [2024-11-28 03:35:07,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:35:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:35:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 121 transitions. [2024-11-28 03:35:07,299 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.275 [2024-11-28 03:35:07,299 INFO L175 Difference]: Start difference. First operand has 390 places, 102 transitions, 2126 flow. Second operand 10 states and 121 transitions. [2024-11-28 03:35:07,299 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 246 places, 116 transitions, 2206 flow [2024-11-28 03:35:07,327 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 159 places, 116 transitions, 1289 flow, removed 111 selfloop flow, removed 87 redundant places. [2024-11-28 03:35:07,329 INFO L231 Difference]: Finished difference. Result has 161 places, 91 transitions, 981 flow [2024-11-28 03:35:07,329 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=955, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=981, PETRI_PLACES=161, PETRI_TRANSITIONS=91} [2024-11-28 03:35:07,329 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 116 predicate places. [2024-11-28 03:35:07,329 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 91 transitions, 981 flow [2024-11-28 03:35:07,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 8 states have internal predecessors, (72), 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) [2024-11-28 03:35:07,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:35:07,330 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:35:07,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-28 03:35:07,330 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:35:07,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:35:07,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1445320380, now seen corresponding path program 10 times [2024-11-28 03:35:07,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:35:07,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836485575] [2024-11-28 03:35:07,330 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:35:07,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:35:07,354 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:35:07,354 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:35:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:08,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:35:08,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836485575] [2024-11-28 03:35:08,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1836485575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:35:08,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243286177] [2024-11-28 03:35:08,741 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-28 03:35:08,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:35:08,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:35:08,743 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:35:08,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-28 03:35:09,052 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-28 03:35:09,052 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:35:09,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 68 conjuncts are in the unsatisfiable core [2024-11-28 03:35:09,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:35:09,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:35:09,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:35:09,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-28 03:35:09,973 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:35:10,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-28 03:35:10,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 14 [2024-11-28 03:35:10,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:35:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:10,120 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:35:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 03:35:12,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243286177] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:35:12,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:35:12,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2024-11-28 03:35:12,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977725878] [2024-11-28 03:35:12,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:35:12,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 03:35:12,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:35:12,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 03:35:12,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1017, Unknown=0, NotChecked=0, Total=1190 [2024-11-28 03:35:12,262 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:35:12,263 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 91 transitions, 981 flow. Second operand has 35 states, 35 states have (on average 7.9714285714285715) internal successors, (279), 35 states have internal predecessors, (279), 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) [2024-11-28 03:35:12,263 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:35:12,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:35:12,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:35:19,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:21,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:25,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:29,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:33,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:42,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:46,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:50,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:55,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:35:57,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:36:01,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:36:05,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:36:10,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:36:15,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:36:20,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:12,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86m for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:35,472 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 23.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:39,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:51,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:52,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:38:52,999 INFO L124 PetriNetUnfolderBase]: 280/787 cut-off events. [2024-11-28 03:38:53,000 INFO L125 PetriNetUnfolderBase]: For 2621/2627 co-relation queries the response was YES. [2024-11-28 03:38:53,002 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4022 conditions, 787 events. 280/787 cut-off events. For 2621/2627 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 4966 event pairs, 129 based on Foata normal form. 34/821 useless extension candidates. Maximal degree in co-relation 3974. Up to 420 conditions per place. [2024-11-28 03:38:53,004 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 64 selfloop transitions, 37 changer transitions 91/194 dead transitions. [2024-11-28 03:38:53,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 190 places, 194 transitions, 2231 flow [2024-11-28 03:38:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-28 03:38:53,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2024-11-28 03:38:53,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 318 transitions. [2024-11-28 03:38:53,006 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.2190082644628099 [2024-11-28 03:38:53,006 INFO L175 Difference]: Start difference. First operand has 161 places, 91 transitions, 981 flow. Second operand 33 states and 318 transitions. [2024-11-28 03:38:53,006 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 190 places, 194 transitions, 2231 flow [2024-11-28 03:38:53,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 177 places, 194 transitions, 2071 flow, removed 17 selfloop flow, removed 13 redundant places. [2024-11-28 03:38:53,015 INFO L231 Difference]: Finished difference. Result has 192 places, 91 transitions, 1015 flow [2024-11-28 03:38:53,016 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=885, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=33, PETRI_FLOW=1015, PETRI_PLACES=192, PETRI_TRANSITIONS=91} [2024-11-28 03:38:53,016 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 147 predicate places. [2024-11-28 03:38:53,016 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 91 transitions, 1015 flow [2024-11-28 03:38:53,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 7.9714285714285715) internal successors, (279), 35 states have internal predecessors, (279), 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) [2024-11-28 03:38:53,017 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:38:53,017 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:38:53,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-28 03:38:53,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-28 03:38:53,217 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:38:53,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:38:53,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1514158784, now seen corresponding path program 11 times [2024-11-28 03:38:53,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:38:53,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158035619] [2024-11-28 03:38:53,218 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:38:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:38:53,242 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-28 03:38:53,243 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:38:56,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:38:56,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:38:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158035619] [2024-11-28 03:38:56,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158035619] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:38:56,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [816435109] [2024-11-28 03:38:56,101 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-28 03:38:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:38:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:38:56,103 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:38:56,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-28 03:38:56,365 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2024-11-28 03:38:56,365 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:38:56,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-28 03:38:56,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:38:56,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:38:57,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:38:58,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2024-11-28 03:38:58,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:38:59,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:38:59,452 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-11-28 03:38:59,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 25 [2024-11-28 03:38:59,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:38:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:38:59,660 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:39:31,417 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:39:31,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [816435109] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:39:31,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:39:31,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 35 [2024-11-28 03:39:31,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319773863] [2024-11-28 03:39:31,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:39:31,417 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-11-28 03:39:31,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:39:31,418 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-11-28 03:39:31,418 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1099, Unknown=6, NotChecked=0, Total=1260 [2024-11-28 03:39:31,419 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:39:31,419 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 91 transitions, 1015 flow. Second operand has 36 states, 36 states have (on average 7.916666666666667) internal successors, (285), 36 states have internal predecessors, (285), 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) [2024-11-28 03:39:31,419 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:39:31,419 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:39:31,419 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:39:39,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:04,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:09,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:28,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:32,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:36,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:46,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:50,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:54,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:40:58,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:02,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:08,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:12,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:16,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:20,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:28,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:32,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:35,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:39,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:43,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:48,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:52,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:41:56,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:01,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:05,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:09,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:15,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:24,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:26,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:30,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:36,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:41,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:45,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:51,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:52,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:56,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:42:57,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:00,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:04,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:09,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:12,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:26,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:29,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.88s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:36,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:49,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:51,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:53,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:43:55,108 INFO L124 PetriNetUnfolderBase]: 239/669 cut-off events. [2024-11-28 03:43:55,108 INFO L125 PetriNetUnfolderBase]: For 2950/2952 co-relation queries the response was YES. [2024-11-28 03:43:55,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3440 conditions, 669 events. 239/669 cut-off events. For 2950/2952 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 4025 event pairs, 96 based on Foata normal form. 32/701 useless extension candidates. Maximal degree in co-relation 3381. Up to 342 conditions per place. [2024-11-28 03:43:55,112 INFO L140 encePairwiseOnDemand]: 29/44 looper letters, 41 selfloop transitions, 25 changer transitions 101/169 dead transitions. [2024-11-28 03:43:55,112 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 211 places, 169 transitions, 1931 flow [2024-11-28 03:43:55,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-28 03:43:55,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2024-11-28 03:43:55,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 375 transitions. [2024-11-28 03:43:55,116 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.21306818181818182 [2024-11-28 03:43:55,116 INFO L175 Difference]: Start difference. First operand has 192 places, 91 transitions, 1015 flow. Second operand 40 states and 375 transitions. [2024-11-28 03:43:55,116 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 211 places, 169 transitions, 1931 flow [2024-11-28 03:43:55,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 189 places, 169 transitions, 1727 flow, removed 68 selfloop flow, removed 22 redundant places. [2024-11-28 03:43:55,126 INFO L231 Difference]: Finished difference. Result has 200 places, 65 transitions, 668 flow [2024-11-28 03:43:55,126 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=880, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=40, PETRI_FLOW=668, PETRI_PLACES=200, PETRI_TRANSITIONS=65} [2024-11-28 03:43:55,127 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 155 predicate places. [2024-11-28 03:43:55,127 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 65 transitions, 668 flow [2024-11-28 03:43:55,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 7.916666666666667) internal successors, (285), 36 states have internal predecessors, (285), 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) [2024-11-28 03:43:55,127 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:43:55,127 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:43:55,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-28 03:43:55,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:55,328 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:43:55,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:43:55,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1436107150, now seen corresponding path program 12 times [2024-11-28 03:43:55,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:43:55,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264412897] [2024-11-28 03:43:55,329 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:43:55,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:43:55,355 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-28 03:43:55,355 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:43:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:43:56,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:43:56,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264412897] [2024-11-28 03:43:56,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264412897] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:43:56,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1615559239] [2024-11-28 03:43:56,229 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-28 03:43:56,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:43:56,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:43:56,231 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:43:56,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-28 03:43:56,583 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2024-11-28 03:43:56,584 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 03:43:56,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 03:43:56,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:43:57,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-28 03:43:57,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:43:57,837 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:43:58,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2024-11-28 03:43:58,684 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-28 03:43:58,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1615559239] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:43:58,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:43:58,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 7] total 19 [2024-11-28 03:43:58,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431505963] [2024-11-28 03:43:58,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:43:58,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-28 03:43:58,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:43:58,686 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-28 03:43:58,686 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2024-11-28 03:43:58,686 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:43:58,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 65 transitions, 668 flow. Second operand has 19 states, 19 states have (on average 8.631578947368421) internal successors, (164), 19 states have internal predecessors, (164), 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) [2024-11-28 03:43:58,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:43:58,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:43:58,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:44:00,987 INFO L124 PetriNetUnfolderBase]: 59/178 cut-off events. [2024-11-28 03:44:00,987 INFO L125 PetriNetUnfolderBase]: For 734/734 co-relation queries the response was YES. [2024-11-28 03:44:00,988 INFO L83 FinitePrefix]: Finished finitePrefix Result has 867 conditions, 178 events. 59/178 cut-off events. For 734/734 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 585 event pairs, 12 based on Foata normal form. 10/188 useless extension candidates. Maximal degree in co-relation 812. Up to 108 conditions per place. [2024-11-28 03:44:00,988 INFO L140 encePairwiseOnDemand]: 35/44 looper letters, 42 selfloop transitions, 10 changer transitions 0/54 dead transitions. [2024-11-28 03:44:00,988 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 54 transitions, 524 flow [2024-11-28 03:44:00,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-28 03:44:00,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-28 03:44:00,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 98 transitions. [2024-11-28 03:44:00,989 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.22272727272727272 [2024-11-28 03:44:00,989 INFO L175 Difference]: Start difference. First operand has 200 places, 65 transitions, 668 flow. Second operand 10 states and 98 transitions. [2024-11-28 03:44:00,989 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 54 transitions, 524 flow [2024-11-28 03:44:00,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 54 transitions, 359 flow, removed 27 selfloop flow, removed 39 redundant places. [2024-11-28 03:44:00,992 INFO L231 Difference]: Finished difference. Result has 116 places, 44 transitions, 241 flow [2024-11-28 03:44:00,993 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=221, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=241, PETRI_PLACES=116, PETRI_TRANSITIONS=44} [2024-11-28 03:44:00,993 INFO L279 CegarLoopForPetriNet]: 45 programPoint places, 71 predicate places. [2024-11-28 03:44:00,993 INFO L471 AbstractCegarLoop]: Abstraction has has 116 places, 44 transitions, 241 flow [2024-11-28 03:44:00,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.631578947368421) internal successors, (164), 19 states have internal predecessors, (164), 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) [2024-11-28 03:44:00,993 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 03:44:00,993 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:44:01,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-28 03:44:01,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:01,194 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-11-28 03:44:01,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:44:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash -73048064, now seen corresponding path program 13 times [2024-11-28 03:44:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:44:01,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339218428] [2024-11-28 03:44:01,195 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:44:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:44:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:44:04,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:44:04,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339218428] [2024-11-28 03:44:04,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339218428] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:44:04,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [935846650] [2024-11-28 03:44:04,800 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-28 03:44:04,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:44:04,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:44:04,802 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:44:04,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db0df143-ed19-44ce-a486-c6dbb811c16f/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-28 03:44:05,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:44:05,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-28 03:44:05,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:44:05,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 1 [2024-11-28 03:44:06,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-28 03:44:07,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 13 [2024-11-28 03:44:07,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-11-28 03:44:08,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-28 03:44:08,186 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-11-28 03:44:08,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 34 treesize of output 25 [2024-11-28 03:44:08,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-28 03:44:08,520 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:44:08,520 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:44:22,386 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 1 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-28 03:44:22,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [935846650] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:44:22,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:44:22,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 34 [2024-11-28 03:44:22,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590388574] [2024-11-28 03:44:22,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:44:22,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-28 03:44:22,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:44:22,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-28 03:44:22,387 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1068, Unknown=1, NotChecked=0, Total=1190 [2024-11-28 03:44:22,388 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 44 [2024-11-28 03:44:22,388 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 44 transitions, 241 flow. Second operand has 35 states, 35 states have (on average 7.9714285714285715) internal successors, (279), 35 states have internal predecessors, (279), 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) [2024-11-28 03:44:22,388 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 03:44:22,389 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 44 [2024-11-28 03:44:22,389 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 03:45:15,297 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse12 (select |c_#memory_int#2| c_my_callbackThread1of1ForFork1_~data~0.base)) (.cse13 (+ 28 c_my_callbackThread1of1ForFork1_~data~0.offset))) (let ((.cse11 (store .cse12 .cse13 (+ c_my_callbackThread1of1ForFork1_~lb~0 1)))) (let ((.cse6 (store |c_#memory_int#2| c_my_callbackThread1of1ForFork1_~data~0.base .cse11))) (let ((.cse0 (+ |c_ULTIMATE.start_my_drv_disconnect_~data#1.offset| 24)) (.cse1 (+ c_my_callbackThread1of1ForFork0_~data~0.offset 28)) (.cse7 (select .cse6 |c_ULTIMATE.start_main_~#data~1#1.base|)) (.cse8 (+ 24 c_my_callbackThread1of1ForFork1_~data~0.offset)) (.cse5 (+ |c_my_callbackThread1of1ForFork0_#in~arg.offset| 4))) (and (forall ((v_ArrVal_2661 Int)) (< (select (select (store |c_#memory_int#2| |c_ULTIMATE.start_my_drv_disconnect_~data#1.base| (store (select |c_#memory_int#2| |c_ULTIMATE.start_my_drv_disconnect_~data#1.base|) .cse0 v_ArrVal_2661)) c_my_callbackThread1of1ForFork0_~data~0.base) .cse1) 2147483647)) (<= (select (select |c_#memory_int#2| c_my_callbackThread1of1ForFork0_~data~0.base) 28) 1) (= |c_ULTIMATE.start_main_~#data~1#1.offset| 0) (forall ((v_my_callbackThread1of1ForFork1_~lb~0_23 Int) (v_ArrVal_2661 Int) (v_ArrVal_2656 Int) (|v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| Int)) (let ((.cse3 (select |c_#memory_int#2| |c_my_callbackThread1of1ForFork1_#in~arg.base|)) (.cse4 (+ |c_my_callbackThread1of1ForFork1_#in~arg.offset| 4))) (or (< |c_ULTIMATE.start_main_~#data~1#1.offset| |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68|) (< (select (select (let ((.cse2 (store |c_#memory_int#2| |c_my_callbackThread1of1ForFork1_#in~arg.base| (store (store .cse3 |c_my_callbackThread1of1ForFork1_#in~arg.offset| v_ArrVal_2656) .cse4 (+ v_my_callbackThread1of1ForFork1_~lb~0_23 1))))) (store .cse2 |c_ULTIMATE.start_main_~#data~1#1.base| (store (select .cse2 |c_ULTIMATE.start_main_~#data~1#1.base|) (+ |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| 24) v_ArrVal_2661))) |c_my_callbackThread1of1ForFork0_#in~arg.base|) .cse5) 2147483647) (< (select .cse3 .cse4) v_my_callbackThread1of1ForFork1_~lb~0_23)))) (forall ((v_ArrVal_2661 Int)) (< (select (select (store .cse6 |c_ULTIMATE.start_my_drv_disconnect_~data#1.base| (store (select .cse6 |c_ULTIMATE.start_my_drv_disconnect_~data#1.base|) .cse0 v_ArrVal_2661)) c_my_callbackThread1of1ForFork0_~data~0.base) .cse1) 2147483647)) (forall ((v_ArrVal_2661 Int) (|v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| Int)) (or (< |c_ULTIMATE.start_main_~#data~1#1.offset| |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68|) (< (select (select (store .cse6 |c_ULTIMATE.start_main_~#data~1#1.base| (store .cse7 (+ |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| 24) v_ArrVal_2661)) c_my_callbackThread1of1ForFork0_~data~0.base) .cse1) 2147483647))) (let ((.cse9 (= c_my_callbackThread1of1ForFork1_~data~0.base |c_my_callbackThread1of1ForFork0_#in~arg.base|)) (.cse10 (= |c_ULTIMATE.start_main_~#data~1#1.base| |c_my_callbackThread1of1ForFork0_#in~arg.base|))) (or (and (= |c_my_callbackThread1of1ForFork0_#in~arg.offset| .cse8) (= c_my_callbackThread1of1ForFork1_~lb~0 0) .cse9 (not (= (+ 4 c_my_callbackThread1of1ForFork1_~data~0.offset) 0)) .cse10) (and (= 0 (select .cse11 .cse5)) (<= 24 |c_my_callbackThread1of1ForFork0_#in~arg.offset|) .cse9 .cse10))) (= c_my_callbackThread1of1ForFork0_~data~0.offset 0) (forall ((v_ArrVal_2661 Int) (|v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| Int)) (or (< |c_ULTIMATE.start_main_~#data~1#1.offset| |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68|) (< (select (select (store .cse6 |c_ULTIMATE.start_main_~#data~1#1.base| (store .cse7 (+ |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| 24) v_ArrVal_2661)) |c_my_callbackThread1of1ForFork0_#in~arg.base|) .cse5) 2147483647))) (forall ((v_my_callbackThread1of1ForFork1_~lb~0_23 Int) (v_ArrVal_2661 Int) (v_ArrVal_2656 Int) (|v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| Int)) (or (< |c_ULTIMATE.start_main_~#data~1#1.offset| |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68|) (< (select .cse12 .cse13) v_my_callbackThread1of1ForFork1_~lb~0_23) (< (select (select (let ((.cse14 (store |c_#memory_int#2| c_my_callbackThread1of1ForFork1_~data~0.base (store (store .cse12 .cse8 v_ArrVal_2656) .cse13 (+ v_my_callbackThread1of1ForFork1_~lb~0_23 1))))) (store .cse14 |c_ULTIMATE.start_main_~#data~1#1.base| (store (select .cse14 |c_ULTIMATE.start_main_~#data~1#1.base|) (+ |v_ULTIMATE.start_my_drv_disconnect_~data#1.offset_68| 24) v_ArrVal_2661))) |c_my_callbackThread1of1ForFork0_#in~arg.base|) .cse5) 2147483647)))))))) is different from false [2024-11-28 03:45:19,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:23,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:27,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:31,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:35,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:38,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:40,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:44,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:49,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-28 03:45:53,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]