./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/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_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl --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 c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:51,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:51,493 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-12 02:33:51,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:51,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:51,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:51,539 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:51,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:51,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 02:33:51,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 02:33:51,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:51,546 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:51,547 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:51,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:51,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 02:33:51,550 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:51,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:51,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:51,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:51,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 02:33:51,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 02:33:51,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 02:33:51,553 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 02:33:51,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:51,554 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:51,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:51,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:51,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:51,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:51,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 02:33:51,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:51,558 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:51,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 02:33:51,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 02:33:51,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:51,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 02:33:51,568 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-12 02:33:51,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 02:33:51,569 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-12 02:33:51,569 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 02:33:51,569 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-12 02:33:51,570 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c62a6a6ca02e763ce9adebe2a1f0301f133cb0abc0bbd9fb473585b57a9c78f2 [2023-11-12 02:33:51,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:51,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:51,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:51,851 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:51,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:51,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-12 02:33:55,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:55,538 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:55,539 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/sv-benchmarks/c/ldv-races/race-2_5-container_of.i [2023-11-12 02:33:55,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/data/f1f8c167e/e1ffa609b7aa477e9eb5418e780a8dd1/FLAGba5670078 [2023-11-12 02:33:55,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/data/f1f8c167e/e1ffa609b7aa477e9eb5418e780a8dd1 [2023-11-12 02:33:55,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:55,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:55,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:55,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:55,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:55,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:55" (1/1) ... [2023-11-12 02:33:55,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42ab90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:55, skipping insertion in model container [2023-11-12 02:33:55,609 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:55" (1/1) ... [2023-11-12 02:33:55,694 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:55,897 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:33:56,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:56,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:56,741 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 02:33:56,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:57,061 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:57,061 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:57,062 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 02:33:57,070 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:57,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57 WrapperNode [2023-11-12 02:33:57,071 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:57,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:57,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:57,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:57,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,124 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,159 INFO L138 Inliner]: procedures = 469, calls = 64, calls flagged for inlining = 13, calls inlined = 18, statements flattened = 162 [2023-11-12 02:33:57,160 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:57,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:57,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:57,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:57,173 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,190 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,232 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:57,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:57,241 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:57,241 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:57,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (1/1) ... [2023-11-12 02:33:57,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 02:33:57,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:57,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:57,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_238e554a-b9a4-4d18-affa-608d90952713/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 02:33:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:33:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 02:33:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:33:57,326 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 02:33:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:33:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:57,327 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-11-12 02:33:57,327 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-11-12 02:33:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 02:33:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:33:57,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:57,330 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 02:33:57,676 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:57,678 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:58,070 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:58,143 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:58,144 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:33:58,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:58 BoogieIcfgContainer [2023-11-12 02:33:58,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:58,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 02:33:58,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 02:33:58,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 02:33:58,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 02:33:55" (1/3) ... [2023-11-12 02:33:58,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff4e225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:58, skipping insertion in model container [2023-11-12 02:33:58,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:57" (2/3) ... [2023-11-12 02:33:58,154 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ff4e225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 02:33:58, skipping insertion in model container [2023-11-12 02:33:58,155 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:58" (3/3) ... [2023-11-12 02:33:58,156 INFO L112 eAbstractionObserver]: Analyzing ICFG race-2_5-container_of.i [2023-11-12 02:33:58,166 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 02:33:58,177 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 02:33:58,177 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-11-12 02:33:58,177 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 02:33:58,261 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 02:33:58,371 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 191 places, 195 transitions, 404 flow [2023-11-12 02:33:58,570 INFO L124 PetriNetUnfolderBase]: 14/249 cut-off events. [2023-11-12 02:33:58,570 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 02:33:58,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 249 events. 14/249 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 518 event pairs, 0 based on Foata normal form. 0/229 useless extension candidates. Maximal degree in co-relation 124. Up to 4 conditions per place. [2023-11-12 02:33:58,578 INFO L82 GeneralOperation]: Start removeDead. Operand has 191 places, 195 transitions, 404 flow [2023-11-12 02:33:58,588 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 153 places, 150 transitions, 309 flow [2023-11-12 02:33:58,592 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-12 02:33:58,609 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 153 places, 150 transitions, 309 flow [2023-11-12 02:33:58,614 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 153 places, 150 transitions, 309 flow [2023-11-12 02:33:58,614 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 153 places, 150 transitions, 309 flow [2023-11-12 02:33:58,674 INFO L124 PetriNetUnfolderBase]: 4/150 cut-off events. [2023-11-12 02:33:58,674 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-12 02:33:58,676 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 150 events. 4/150 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 206 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 105. Up to 2 conditions per place. [2023-11-12 02:33:58,681 INFO L119 LiptonReduction]: Number of co-enabled transitions 5436 [2023-11-12 02:34:09,547 INFO L134 LiptonReduction]: Checked pairs total: 12622 [2023-11-12 02:34:09,548 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-11-12 02:34:09,574 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 02:34:09,588 INFO L357 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, mHoare=true, 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;@9396052, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-12 02:34:09,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-11-12 02:34:09,601 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-12 02:34:09,602 INFO L124 PetriNetUnfolderBase]: 0/10 cut-off events. [2023-11-12 02:34:09,602 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-12 02:34:09,602 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:09,604 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-11-12 02:34:09,604 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:09,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:09,609 INFO L85 PathProgramCache]: Analyzing trace with hash 674173333, now seen corresponding path program 1 times [2023-11-12 02:34:09,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:09,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868842195] [2023-11-12 02:34:09,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:10,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:10,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:10,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868842195] [2023-11-12 02:34:10,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868842195] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:10,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:10,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:34:10,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81849518] [2023-11-12 02:34:10,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:10,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 02:34:10,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:10,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 02:34:10,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 02:34:11,047 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 341 [2023-11-12 02:34:11,051 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 31 transitions, 71 flow. Second operand has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 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) [2023-11-12 02:34:11,051 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:11,052 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 341 [2023-11-12 02:34:11,053 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:11,281 INFO L124 PetriNetUnfolderBase]: 215/414 cut-off events. [2023-11-12 02:34:11,281 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES. [2023-11-12 02:34:11,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 850 conditions, 414 events. 215/414 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1520 event pairs, 210 based on Foata normal form. 0/336 useless extension candidates. Maximal degree in co-relation 696. Up to 402 conditions per place. [2023-11-12 02:34:11,287 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 24 selfloop transitions, 8 changer transitions 0/33 dead transitions. [2023-11-12 02:34:11,287 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 33 transitions, 139 flow [2023-11-12 02:34:11,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:34:11,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-12 02:34:11,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 971 transitions. [2023-11-12 02:34:11,314 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47458455522971654 [2023-11-12 02:34:11,315 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 971 transitions. [2023-11-12 02:34:11,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 971 transitions. [2023-11-12 02:34:11,320 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:11,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 971 transitions. [2023-11-12 02:34:11,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 161.83333333333334) internal successors, (971), 6 states have internal predecessors, (971), 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) [2023-11-12 02:34:11,341 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 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) [2023-11-12 02:34:11,344 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 341.0) internal successors, (2387), 7 states have internal predecessors, (2387), 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) [2023-11-12 02:34:11,346 INFO L175 Difference]: Start difference. First operand has 37 places, 31 transitions, 71 flow. Second operand 6 states and 971 transitions. [2023-11-12 02:34:11,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 33 transitions, 139 flow [2023-11-12 02:34:11,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 33 transitions, 134 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-12 02:34:11,352 INFO L231 Difference]: Finished difference. Result has 38 places, 32 transitions, 105 flow [2023-11-12 02:34:11,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=105, PETRI_PLACES=38, PETRI_TRANSITIONS=32} [2023-11-12 02:34:11,360 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2023-11-12 02:34:11,360 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 32 transitions, 105 flow [2023-11-12 02:34:11,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 157.0) internal successors, (785), 5 states have internal predecessors, (785), 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) [2023-11-12 02:34:11,361 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:11,361 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:34:11,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 02:34:11,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:11,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:11,364 INFO L85 PathProgramCache]: Analyzing trace with hash -575731993, now seen corresponding path program 1 times [2023-11-12 02:34:11,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:11,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720261334] [2023-11-12 02:34:11,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:12,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:12,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:12,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720261334] [2023-11-12 02:34:12,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720261334] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:12,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:12,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:34:12,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278565927] [2023-11-12 02:34:12,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:12,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:34:12,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:12,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:34:12,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:34:12,346 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:34:12,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 32 transitions, 105 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 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) [2023-11-12 02:34:12,348 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:12,348 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:34:12,349 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:12,633 INFO L124 PetriNetUnfolderBase]: 236/450 cut-off events. [2023-11-12 02:34:12,633 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES. [2023-11-12 02:34:12,638 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1034 conditions, 450 events. 236/450 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1709 event pairs, 70 based on Foata normal form. 5/394 useless extension candidates. Maximal degree in co-relation 833. Up to 396 conditions per place. [2023-11-12 02:34:12,641 INFO L140 encePairwiseOnDemand]: 331/341 looper letters, 34 selfloop transitions, 21 changer transitions 0/56 dead transitions. [2023-11-12 02:34:12,641 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 56 transitions, 283 flow [2023-11-12 02:34:12,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:34:12,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:34:12,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1294 transitions. [2023-11-12 02:34:12,647 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4743401759530792 [2023-11-12 02:34:12,648 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1294 transitions. [2023-11-12 02:34:12,648 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1294 transitions. [2023-11-12 02:34:12,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:12,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1294 transitions. [2023-11-12 02:34:12,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 161.75) internal successors, (1294), 8 states have internal predecessors, (1294), 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) [2023-11-12 02:34:12,664 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:12,667 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:12,667 INFO L175 Difference]: Start difference. First operand has 38 places, 32 transitions, 105 flow. Second operand 8 states and 1294 transitions. [2023-11-12 02:34:12,668 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 56 transitions, 283 flow [2023-11-12 02:34:12,670 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 56 transitions, 281 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-12 02:34:12,672 INFO L231 Difference]: Finished difference. Result has 47 places, 46 transitions, 224 flow [2023-11-12 02:34:12,672 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=224, PETRI_PLACES=47, PETRI_TRANSITIONS=46} [2023-11-12 02:34:12,673 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 10 predicate places. [2023-11-12 02:34:12,674 INFO L495 AbstractCegarLoop]: Abstraction has has 47 places, 46 transitions, 224 flow [2023-11-12 02:34:12,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 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) [2023-11-12 02:34:12,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:12,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:34:12,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 02:34:12,676 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:12,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:12,677 INFO L85 PathProgramCache]: Analyzing trace with hash -575459503, now seen corresponding path program 2 times [2023-11-12 02:34:12,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:12,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327452524] [2023-11-12 02:34:12,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:12,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:13,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:13,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:13,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327452524] [2023-11-12 02:34:13,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327452524] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:13,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:13,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:34:13,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060782945] [2023-11-12 02:34:13,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:13,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:34:13,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:13,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:34:13,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:34:13,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:34:13,674 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 46 transitions, 224 flow. Second operand has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 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) [2023-11-12 02:34:13,674 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:13,674 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:34:13,674 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:14,041 INFO L124 PetriNetUnfolderBase]: 222/426 cut-off events. [2023-11-12 02:34:14,041 INFO L125 PetriNetUnfolderBase]: For 387/387 co-relation queries the response was YES. [2023-11-12 02:34:14,042 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1251 conditions, 426 events. 222/426 cut-off events. For 387/387 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1583 event pairs, 72 based on Foata normal form. 5/375 useless extension candidates. Maximal degree in co-relation 1063. Up to 350 conditions per place. [2023-11-12 02:34:14,046 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 36 selfloop transitions, 24 changer transitions 0/61 dead transitions. [2023-11-12 02:34:14,046 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 61 transitions, 398 flow [2023-11-12 02:34:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:34:14,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:34:14,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1292 transitions. [2023-11-12 02:34:14,052 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4736070381231672 [2023-11-12 02:34:14,052 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1292 transitions. [2023-11-12 02:34:14,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1292 transitions. [2023-11-12 02:34:14,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:14,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1292 transitions. [2023-11-12 02:34:14,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 161.5) internal successors, (1292), 8 states have internal predecessors, (1292), 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) [2023-11-12 02:34:14,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:14,067 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:14,068 INFO L175 Difference]: Start difference. First operand has 47 places, 46 transitions, 224 flow. Second operand 8 states and 1292 transitions. [2023-11-12 02:34:14,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 61 transitions, 398 flow [2023-11-12 02:34:14,072 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 61 transitions, 376 flow, removed 10 selfloop flow, removed 1 redundant places. [2023-11-12 02:34:14,074 INFO L231 Difference]: Finished difference. Result has 54 places, 51 transitions, 292 flow [2023-11-12 02:34:14,075 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=204, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=292, PETRI_PLACES=54, PETRI_TRANSITIONS=51} [2023-11-12 02:34:14,076 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 17 predicate places. [2023-11-12 02:34:14,076 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 51 transitions, 292 flow [2023-11-12 02:34:14,077 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.0) internal successors, (936), 6 states have internal predecessors, (936), 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) [2023-11-12 02:34:14,078 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:14,078 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:14,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 02:34:14,078 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:14,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:14,079 INFO L85 PathProgramCache]: Analyzing trace with hash -671666817, now seen corresponding path program 1 times [2023-11-12 02:34:14,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:14,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736618152] [2023-11-12 02:34:14,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:14,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:14,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:14,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:14,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736618152] [2023-11-12 02:34:14,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736618152] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:14,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:14,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 02:34:14,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171637905] [2023-11-12 02:34:14,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:14,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-12 02:34:14,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:14,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:34:14,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:34:14,708 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 155 out of 341 [2023-11-12 02:34:14,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 51 transitions, 292 flow. Second operand has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 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) [2023-11-12 02:34:14,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:14,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 155 of 341 [2023-11-12 02:34:14,710 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:14,996 INFO L124 PetriNetUnfolderBase]: 210/406 cut-off events. [2023-11-12 02:34:14,996 INFO L125 PetriNetUnfolderBase]: For 420/420 co-relation queries the response was YES. [2023-11-12 02:34:14,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1237 conditions, 406 events. 210/406 cut-off events. For 420/420 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1491 event pairs, 109 based on Foata normal form. 0/358 useless extension candidates. Maximal degree in co-relation 1025. Up to 356 conditions per place. [2023-11-12 02:34:15,001 INFO L140 encePairwiseOnDemand]: 332/341 looper letters, 41 selfloop transitions, 29 changer transitions 0/71 dead transitions. [2023-11-12 02:34:15,001 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 71 transitions, 558 flow [2023-11-12 02:34:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:34:15,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-11-12 02:34:15,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1290 transitions. [2023-11-12 02:34:15,007 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47287390029325516 [2023-11-12 02:34:15,007 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1290 transitions. [2023-11-12 02:34:15,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1290 transitions. [2023-11-12 02:34:15,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:15,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1290 transitions. [2023-11-12 02:34:15,013 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 161.25) internal successors, (1290), 8 states have internal predecessors, (1290), 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) [2023-11-12 02:34:15,025 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:15,027 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 341.0) internal successors, (3069), 9 states have internal predecessors, (3069), 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) [2023-11-12 02:34:15,027 INFO L175 Difference]: Start difference. First operand has 54 places, 51 transitions, 292 flow. Second operand 8 states and 1290 transitions. [2023-11-12 02:34:15,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 71 transitions, 558 flow [2023-11-12 02:34:15,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 71 transitions, 538 flow, removed 3 selfloop flow, removed 2 redundant places. [2023-11-12 02:34:15,037 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 443 flow [2023-11-12 02:34:15,038 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=443, PETRI_PLACES=61, PETRI_TRANSITIONS=65} [2023-11-12 02:34:15,040 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 24 predicate places. [2023-11-12 02:34:15,040 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 443 flow [2023-11-12 02:34:15,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 156.16666666666666) internal successors, (937), 6 states have internal predecessors, (937), 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) [2023-11-12 02:34:15,041 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:15,041 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:15,042 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 02:34:15,042 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:15,043 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:15,043 INFO L85 PathProgramCache]: Analyzing trace with hash -1832733572, now seen corresponding path program 1 times [2023-11-12 02:34:15,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:15,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124412518] [2023-11-12 02:34:15,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:15,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:15,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:15,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:15,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124412518] [2023-11-12 02:34:15,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124412518] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:15,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:15,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:15,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093364355] [2023-11-12 02:34:15,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:15,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:15,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:15,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:15,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:16,389 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:16,391 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 443 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:16,391 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:16,391 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:16,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:16,972 INFO L124 PetriNetUnfolderBase]: 258/486 cut-off events. [2023-11-12 02:34:16,973 INFO L125 PetriNetUnfolderBase]: For 549/549 co-relation queries the response was YES. [2023-11-12 02:34:16,974 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1601 conditions, 486 events. 258/486 cut-off events. For 549/549 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1862 event pairs, 73 based on Foata normal form. 8/460 useless extension candidates. Maximal degree in co-relation 1377. Up to 360 conditions per place. [2023-11-12 02:34:16,978 INFO L140 encePairwiseOnDemand]: 330/341 looper letters, 64 selfloop transitions, 46 changer transitions 0/111 dead transitions. [2023-11-12 02:34:16,978 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 111 transitions, 943 flow [2023-11-12 02:34:16,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:34:16,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-12 02:34:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1597 transitions. [2023-11-12 02:34:16,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4683284457478006 [2023-11-12 02:34:16,986 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1597 transitions. [2023-11-12 02:34:16,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1597 transitions. [2023-11-12 02:34:16,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:16,988 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1597 transitions. [2023-11-12 02:34:16,993 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 159.7) internal successors, (1597), 10 states have internal predecessors, (1597), 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) [2023-11-12 02:34:17,000 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 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) [2023-11-12 02:34:17,002 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 341.0) internal successors, (3751), 11 states have internal predecessors, (3751), 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) [2023-11-12 02:34:17,002 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 443 flow. Second operand 10 states and 1597 transitions. [2023-11-12 02:34:17,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 111 transitions, 943 flow [2023-11-12 02:34:17,008 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 111 transitions, 935 flow, removed 4 selfloop flow, removed 0 redundant places. [2023-11-12 02:34:17,011 INFO L231 Difference]: Finished difference. Result has 75 places, 95 transitions, 810 flow [2023-11-12 02:34:17,012 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=439, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=810, PETRI_PLACES=75, PETRI_TRANSITIONS=95} [2023-11-12 02:34:17,013 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 38 predicate places. [2023-11-12 02:34:17,013 INFO L495 AbstractCegarLoop]: Abstraction has has 75 places, 95 transitions, 810 flow [2023-11-12 02:34:17,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:17,014 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:17,014 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:17,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 02:34:17,015 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:17,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:17,016 INFO L85 PathProgramCache]: Analyzing trace with hash -1224446239, now seen corresponding path program 1 times [2023-11-12 02:34:17,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:17,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280423188] [2023-11-12 02:34:17,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:17,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:17,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:17,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:17,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280423188] [2023-11-12 02:34:17,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280423188] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:17,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:17,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:17,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238007406] [2023-11-12 02:34:17,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:17,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:17,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:17,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:17,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:18,393 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:18,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 95 transitions, 810 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:18,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:18,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:18,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:19,420 INFO L124 PetriNetUnfolderBase]: 297/551 cut-off events. [2023-11-12 02:34:19,421 INFO L125 PetriNetUnfolderBase]: For 1162/1162 co-relation queries the response was YES. [2023-11-12 02:34:19,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 551 events. 297/551 cut-off events. For 1162/1162 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2179 event pairs, 88 based on Foata normal form. 8/521 useless extension candidates. Maximal degree in co-relation 2054. Up to 404 conditions per place. [2023-11-12 02:34:19,429 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 62 selfloop transitions, 80 changer transitions 0/143 dead transitions. [2023-11-12 02:34:19,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 143 transitions, 1450 flow [2023-11-12 02:34:19,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-12 02:34:19,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2023-11-12 02:34:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 2998 transitions. [2023-11-12 02:34:19,442 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46272572927920974 [2023-11-12 02:34:19,442 INFO L72 ComplementDD]: Start complementDD. Operand 19 states and 2998 transitions. [2023-11-12 02:34:19,443 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 2998 transitions. [2023-11-12 02:34:19,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:19,446 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 19 states and 2998 transitions. [2023-11-12 02:34:19,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 19 states have (on average 157.78947368421052) internal successors, (2998), 19 states have internal predecessors, (2998), 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) [2023-11-12 02:34:19,470 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 20 states, 20 states have (on average 341.0) internal successors, (6820), 20 states have internal predecessors, (6820), 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) [2023-11-12 02:34:19,473 INFO L81 ComplementDD]: Finished complementDD. Result has 20 states, 20 states have (on average 341.0) internal successors, (6820), 20 states have internal predecessors, (6820), 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) [2023-11-12 02:34:19,474 INFO L175 Difference]: Start difference. First operand has 75 places, 95 transitions, 810 flow. Second operand 19 states and 2998 transitions. [2023-11-12 02:34:19,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 143 transitions, 1450 flow [2023-11-12 02:34:19,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 143 transitions, 1404 flow, removed 18 selfloop flow, removed 2 redundant places. [2023-11-12 02:34:19,490 INFO L231 Difference]: Finished difference. Result has 96 places, 126 transitions, 1259 flow [2023-11-12 02:34:19,490 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=50, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=19, PETRI_FLOW=1259, PETRI_PLACES=96, PETRI_TRANSITIONS=126} [2023-11-12 02:34:19,493 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 59 predicate places. [2023-11-12 02:34:19,497 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 126 transitions, 1259 flow [2023-11-12 02:34:19,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:19,498 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:19,498 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:19,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 02:34:19,499 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:19,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:19,499 INFO L85 PathProgramCache]: Analyzing trace with hash 748105883, now seen corresponding path program 2 times [2023-11-12 02:34:19,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:19,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647416790] [2023-11-12 02:34:19,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:19,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:20,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:20,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:20,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647416790] [2023-11-12 02:34:20,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647416790] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:20,322 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:20,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:20,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99947339] [2023-11-12 02:34:20,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:20,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:20,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:20,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:20,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:20,759 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:20,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 126 transitions, 1259 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:20,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:20,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:20,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:21,517 INFO L124 PetriNetUnfolderBase]: 294/549 cut-off events. [2023-11-12 02:34:21,517 INFO L125 PetriNetUnfolderBase]: For 1476/1476 co-relation queries the response was YES. [2023-11-12 02:34:21,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2450 conditions, 549 events. 294/549 cut-off events. For 1476/1476 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2186 event pairs, 69 based on Foata normal form. 4/519 useless extension candidates. Maximal degree in co-relation 2315. Up to 419 conditions per place. [2023-11-12 02:34:21,526 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 83 selfloop transitions, 70 changer transitions 0/154 dead transitions. [2023-11-12 02:34:21,526 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 154 transitions, 1806 flow [2023-11-12 02:34:21,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:34:21,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-12 02:34:21,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2069 transitions. [2023-11-12 02:34:21,536 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46672682156553125 [2023-11-12 02:34:21,536 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2069 transitions. [2023-11-12 02:34:21,537 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2069 transitions. [2023-11-12 02:34:21,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:21,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2069 transitions. [2023-11-12 02:34:21,545 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 159.15384615384616) internal successors, (2069), 13 states have internal predecessors, (2069), 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) [2023-11-12 02:34:21,553 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 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) [2023-11-12 02:34:21,555 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 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) [2023-11-12 02:34:21,555 INFO L175 Difference]: Start difference. First operand has 96 places, 126 transitions, 1259 flow. Second operand 13 states and 2069 transitions. [2023-11-12 02:34:21,556 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 154 transitions, 1806 flow [2023-11-12 02:34:21,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 154 transitions, 1693 flow, removed 12 selfloop flow, removed 7 redundant places. [2023-11-12 02:34:21,573 INFO L231 Difference]: Finished difference. Result has 104 places, 136 transitions, 1461 flow [2023-11-12 02:34:21,574 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1157, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1461, PETRI_PLACES=104, PETRI_TRANSITIONS=136} [2023-11-12 02:34:21,575 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 67 predicate places. [2023-11-12 02:34:21,575 INFO L495 AbstractCegarLoop]: Abstraction has has 104 places, 136 transitions, 1461 flow [2023-11-12 02:34:21,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:21,576 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:21,576 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:21,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-12 02:34:21,576 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:21,577 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:21,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1226593607, now seen corresponding path program 1 times [2023-11-12 02:34:21,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:21,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668302907] [2023-11-12 02:34:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:21,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:22,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:22,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668302907] [2023-11-12 02:34:22,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668302907] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:22,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:22,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:22,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848410089] [2023-11-12 02:34:22,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:22,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:22,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:22,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:22,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:22,743 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:22,744 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 104 places, 136 transitions, 1461 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:22,744 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:22,745 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:22,745 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:23,407 INFO L124 PetriNetUnfolderBase]: 282/529 cut-off events. [2023-11-12 02:34:23,407 INFO L125 PetriNetUnfolderBase]: For 1709/1709 co-relation queries the response was YES. [2023-11-12 02:34:23,410 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2527 conditions, 529 events. 282/529 cut-off events. For 1709/1709 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2092 event pairs, 69 based on Foata normal form. 4/503 useless extension candidates. Maximal degree in co-relation 2243. Up to 429 conditions per place. [2023-11-12 02:34:23,414 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 74 selfloop transitions, 66 changer transitions 0/141 dead transitions. [2023-11-12 02:34:23,415 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 141 transitions, 1767 flow [2023-11-12 02:34:23,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-12 02:34:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-11-12 02:34:23,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1898 transitions. [2023-11-12 02:34:23,423 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4638318670576735 [2023-11-12 02:34:23,423 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1898 transitions. [2023-11-12 02:34:23,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1898 transitions. [2023-11-12 02:34:23,425 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:23,425 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1898 transitions. [2023-11-12 02:34:23,430 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 158.16666666666666) internal successors, (1898), 12 states have internal predecessors, (1898), 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) [2023-11-12 02:34:23,438 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 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) [2023-11-12 02:34:23,449 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 341.0) internal successors, (4433), 13 states have internal predecessors, (4433), 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) [2023-11-12 02:34:23,457 INFO L175 Difference]: Start difference. First operand has 104 places, 136 transitions, 1461 flow. Second operand 12 states and 1898 transitions. [2023-11-12 02:34:23,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 141 transitions, 1767 flow [2023-11-12 02:34:23,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 141 transitions, 1588 flow, removed 19 selfloop flow, removed 9 redundant places. [2023-11-12 02:34:23,479 INFO L231 Difference]: Finished difference. Result has 107 places, 136 transitions, 1437 flow [2023-11-12 02:34:23,479 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1287, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1437, PETRI_PLACES=107, PETRI_TRANSITIONS=136} [2023-11-12 02:34:23,482 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 70 predicate places. [2023-11-12 02:34:23,483 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 136 transitions, 1437 flow [2023-11-12 02:34:23,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:23,484 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:23,484 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:23,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-12 02:34:23,484 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:23,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:23,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1226147210, now seen corresponding path program 1 times [2023-11-12 02:34:23,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:23,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830820825] [2023-11-12 02:34:23,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:23,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:24,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:24,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830820825] [2023-11-12 02:34:24,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830820825] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:24,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:24,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349019259] [2023-11-12 02:34:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:24,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:24,767 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:24,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 136 transitions, 1437 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:24,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:24,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:24,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:25,582 INFO L124 PetriNetUnfolderBase]: 258/489 cut-off events. [2023-11-12 02:34:25,582 INFO L125 PetriNetUnfolderBase]: For 1475/1475 co-relation queries the response was YES. [2023-11-12 02:34:25,585 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2309 conditions, 489 events. 258/489 cut-off events. For 1475/1475 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1894 event pairs, 91 based on Foata normal form. 8/479 useless extension candidates. Maximal degree in co-relation 2202. Up to 354 conditions per place. [2023-11-12 02:34:25,589 INFO L140 encePairwiseOnDemand]: 328/341 looper letters, 82 selfloop transitions, 78 changer transitions 2/163 dead transitions. [2023-11-12 02:34:25,590 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 163 transitions, 2001 flow [2023-11-12 02:34:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:34:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-12 02:34:25,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2531 transitions. [2023-11-12 02:34:25,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4638929618768328 [2023-11-12 02:34:25,601 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2531 transitions. [2023-11-12 02:34:25,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2531 transitions. [2023-11-12 02:34:25,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:25,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2531 transitions. [2023-11-12 02:34:25,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 158.1875) internal successors, (2531), 16 states have internal predecessors, (2531), 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) [2023-11-12 02:34:25,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:25,625 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:25,625 INFO L175 Difference]: Start difference. First operand has 107 places, 136 transitions, 1437 flow. Second operand 16 states and 2531 transitions. [2023-11-12 02:34:25,626 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 163 transitions, 2001 flow [2023-11-12 02:34:25,638 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 112 places, 163 transitions, 1856 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-12 02:34:25,643 INFO L231 Difference]: Finished difference. Result has 114 places, 145 transitions, 1606 flow [2023-11-12 02:34:25,643 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1305, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=69, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1606, PETRI_PLACES=114, PETRI_TRANSITIONS=145} [2023-11-12 02:34:25,645 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 77 predicate places. [2023-11-12 02:34:25,645 INFO L495 AbstractCegarLoop]: Abstraction has has 114 places, 145 transitions, 1606 flow [2023-11-12 02:34:25,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:25,646 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:25,646 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:25,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-12 02:34:25,647 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:25,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:25,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1222658777, now seen corresponding path program 2 times [2023-11-12 02:34:25,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:25,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489233148] [2023-11-12 02:34:25,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:25,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:26,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:26,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489233148] [2023-11-12 02:34:26,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489233148] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:26,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:26,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:26,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504245631] [2023-11-12 02:34:26,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:26,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:26,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:26,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:26,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:26,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:26,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 114 places, 145 transitions, 1606 flow. Second operand has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:26,864 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:26,864 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:26,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:27,585 INFO L124 PetriNetUnfolderBase]: 222/423 cut-off events. [2023-11-12 02:34:27,586 INFO L125 PetriNetUnfolderBase]: For 1540/1540 co-relation queries the response was YES. [2023-11-12 02:34:27,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2138 conditions, 423 events. 222/423 cut-off events. For 1540/1540 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1618 event pairs, 36 based on Foata normal form. 4/413 useless extension candidates. Maximal degree in co-relation 2022. Up to 303 conditions per place. [2023-11-12 02:34:27,592 INFO L140 encePairwiseOnDemand]: 329/341 looper letters, 71 selfloop transitions, 83 changer transitions 0/155 dead transitions. [2023-11-12 02:34:27,592 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 155 transitions, 1963 flow [2023-11-12 02:34:27,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:34:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-12 02:34:27,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2526 transitions. [2023-11-12 02:34:27,599 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4629765395894428 [2023-11-12 02:34:27,599 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2526 transitions. [2023-11-12 02:34:27,599 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2526 transitions. [2023-11-12 02:34:27,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:27,601 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2526 transitions. [2023-11-12 02:34:27,606 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 157.875) internal successors, (2526), 16 states have internal predecessors, (2526), 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) [2023-11-12 02:34:27,615 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:27,617 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:27,617 INFO L175 Difference]: Start difference. First operand has 114 places, 145 transitions, 1606 flow. Second operand 16 states and 2526 transitions. [2023-11-12 02:34:27,617 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 129 places, 155 transitions, 1963 flow [2023-11-12 02:34:27,629 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 155 transitions, 1808 flow, removed 15 selfloop flow, removed 8 redundant places. [2023-11-12 02:34:27,634 INFO L231 Difference]: Finished difference. Result has 123 places, 147 transitions, 1671 flow [2023-11-12 02:34:27,634 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1451, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=81, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=1671, PETRI_PLACES=123, PETRI_TRANSITIONS=147} [2023-11-12 02:34:27,635 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 86 predicate places. [2023-11-12 02:34:27,635 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 147 transitions, 1671 flow [2023-11-12 02:34:27,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.0) internal successors, (1386), 9 states have internal predecessors, (1386), 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) [2023-11-12 02:34:27,636 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:27,636 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:27,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-12 02:34:27,636 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:27,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:27,637 INFO L85 PathProgramCache]: Analyzing trace with hash 726934454, now seen corresponding path program 1 times [2023-11-12 02:34:27,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:27,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331233383] [2023-11-12 02:34:27,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:27,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:28,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331233383] [2023-11-12 02:34:28,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331233383] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:28,168 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:28,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-12 02:34:28,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067026200] [2023-11-12 02:34:28,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:28,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-12 02:34:28,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:28,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:34:28,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:34:28,465 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 341 [2023-11-12 02:34:28,466 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 147 transitions, 1671 flow. Second operand has 7 states, 7 states have (on average 161.57142857142858) internal successors, (1131), 7 states have internal predecessors, (1131), 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) [2023-11-12 02:34:28,466 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:28,466 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 341 [2023-11-12 02:34:28,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:29,143 INFO L124 PetriNetUnfolderBase]: 290/596 cut-off events. [2023-11-12 02:34:29,143 INFO L125 PetriNetUnfolderBase]: For 1857/1857 co-relation queries the response was YES. [2023-11-12 02:34:29,147 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2740 conditions, 596 events. 290/596 cut-off events. For 1857/1857 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2702 event pairs, 26 based on Foata normal form. 0/574 useless extension candidates. Maximal degree in co-relation 2339. Up to 160 conditions per place. [2023-11-12 02:34:29,152 INFO L140 encePairwiseOnDemand]: 330/341 looper letters, 154 selfloop transitions, 68 changer transitions 6/230 dead transitions. [2023-11-12 02:34:29,153 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 230 transitions, 2528 flow [2023-11-12 02:34:29,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-12 02:34:29,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-11-12 02:34:29,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 2207 transitions. [2023-11-12 02:34:29,158 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49785698172794945 [2023-11-12 02:34:29,158 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 2207 transitions. [2023-11-12 02:34:29,159 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 2207 transitions. [2023-11-12 02:34:29,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:29,160 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 2207 transitions. [2023-11-12 02:34:29,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 169.76923076923077) internal successors, (2207), 13 states have internal predecessors, (2207), 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) [2023-11-12 02:34:29,171 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 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) [2023-11-12 02:34:29,173 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 341.0) internal successors, (4774), 14 states have internal predecessors, (4774), 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) [2023-11-12 02:34:29,173 INFO L175 Difference]: Start difference. First operand has 123 places, 147 transitions, 1671 flow. Second operand 13 states and 2207 transitions. [2023-11-12 02:34:29,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 230 transitions, 2528 flow [2023-11-12 02:34:29,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 230 transitions, 2383 flow, removed 4 selfloop flow, removed 11 redundant places. [2023-11-12 02:34:29,194 INFO L231 Difference]: Finished difference. Result has 130 places, 165 transitions, 1877 flow [2023-11-12 02:34:29,195 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1530, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1877, PETRI_PLACES=130, PETRI_TRANSITIONS=165} [2023-11-12 02:34:29,196 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 93 predicate places. [2023-11-12 02:34:29,196 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 165 transitions, 1877 flow [2023-11-12 02:34:29,196 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 161.57142857142858) internal successors, (1131), 7 states have internal predecessors, (1131), 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) [2023-11-12 02:34:29,197 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:29,197 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:29,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-12 02:34:29,197 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:29,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:29,198 INFO L85 PathProgramCache]: Analyzing trace with hash -837729689, now seen corresponding path program 1 times [2023-11-12 02:34:29,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:29,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199669084] [2023-11-12 02:34:29,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:29,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:29,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:30,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:30,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:30,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199669084] [2023-11-12 02:34:30,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199669084] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:30,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:30,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:34:30,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238969336] [2023-11-12 02:34:30,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:30,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-12 02:34:30,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:30,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-12 02:34:30,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-11-12 02:34:30,469 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 341 [2023-11-12 02:34:30,471 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 165 transitions, 1877 flow. Second operand has 9 states, 9 states have (on average 154.22222222222223) internal successors, (1388), 9 states have internal predecessors, (1388), 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) [2023-11-12 02:34:30,471 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:30,471 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 341 [2023-11-12 02:34:30,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:31,265 INFO L124 PetriNetUnfolderBase]: 404/861 cut-off events. [2023-11-12 02:34:31,266 INFO L125 PetriNetUnfolderBase]: For 4588/4588 co-relation queries the response was YES. [2023-11-12 02:34:31,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4118 conditions, 861 events. 404/861 cut-off events. For 4588/4588 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4524 event pairs, 87 based on Foata normal form. 5/866 useless extension candidates. Maximal degree in co-relation 4034. Up to 561 conditions per place. [2023-11-12 02:34:31,277 INFO L140 encePairwiseOnDemand]: 327/341 looper letters, 202 selfloop transitions, 41 changer transitions 10/254 dead transitions. [2023-11-12 02:34:31,278 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 254 transitions, 2994 flow [2023-11-12 02:34:31,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:34:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-12 02:34:31,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2551 transitions. [2023-11-12 02:34:31,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46755865102639294 [2023-11-12 02:34:31,284 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2551 transitions. [2023-11-12 02:34:31,284 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2551 transitions. [2023-11-12 02:34:31,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:31,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2551 transitions. [2023-11-12 02:34:31,290 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 159.4375) internal successors, (2551), 16 states have internal predecessors, (2551), 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) [2023-11-12 02:34:31,298 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:31,300 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:31,300 INFO L175 Difference]: Start difference. First operand has 130 places, 165 transitions, 1877 flow. Second operand 16 states and 2551 transitions. [2023-11-12 02:34:31,300 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 254 transitions, 2994 flow [2023-11-12 02:34:31,331 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 254 transitions, 2888 flow, removed 53 selfloop flow, removed 0 redundant places. [2023-11-12 02:34:31,337 INFO L231 Difference]: Finished difference. Result has 155 places, 202 transitions, 2339 flow [2023-11-12 02:34:31,337 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=1827, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=2339, PETRI_PLACES=155, PETRI_TRANSITIONS=202} [2023-11-12 02:34:31,338 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 118 predicate places. [2023-11-12 02:34:31,339 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 202 transitions, 2339 flow [2023-11-12 02:34:31,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 154.22222222222223) internal successors, (1388), 9 states have internal predecessors, (1388), 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) [2023-11-12 02:34:31,339 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:31,340 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:31,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-12 02:34:31,340 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:31,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:31,340 INFO L85 PathProgramCache]: Analyzing trace with hash 227281297, now seen corresponding path program 2 times [2023-11-12 02:34:31,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:31,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854809420] [2023-11-12 02:34:31,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:31,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:32,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:32,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854809420] [2023-11-12 02:34:32,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854809420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:32,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:32,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:34:32,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911590705] [2023-11-12 02:34:32,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:32,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:34:32,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:32,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:34:32,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:34:32,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 341 [2023-11-12 02:34:32,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 202 transitions, 2339 flow. Second operand has 10 states, 10 states have (on average 153.1) internal successors, (1531), 10 states have internal predecessors, (1531), 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) [2023-11-12 02:34:32,925 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:32,925 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 341 [2023-11-12 02:34:32,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:34,412 INFO L124 PetriNetUnfolderBase]: 555/1199 cut-off events. [2023-11-12 02:34:34,412 INFO L125 PetriNetUnfolderBase]: For 7039/7039 co-relation queries the response was YES. [2023-11-12 02:34:34,419 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5819 conditions, 1199 events. 555/1199 cut-off events. For 7039/7039 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 7063 event pairs, 55 based on Foata normal form. 30/1229 useless extension candidates. Maximal degree in co-relation 5735. Up to 332 conditions per place. [2023-11-12 02:34:34,428 INFO L140 encePairwiseOnDemand]: 326/341 looper letters, 145 selfloop transitions, 171 changer transitions 17/334 dead transitions. [2023-11-12 02:34:34,429 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 182 places, 334 transitions, 4064 flow [2023-11-12 02:34:34,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-11-12 02:34:34,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2023-11-12 02:34:34,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 4413 transitions. [2023-11-12 02:34:34,438 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46219103477167994 [2023-11-12 02:34:34,438 INFO L72 ComplementDD]: Start complementDD. Operand 28 states and 4413 transitions. [2023-11-12 02:34:34,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 4413 transitions. [2023-11-12 02:34:34,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:34,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 28 states and 4413 transitions. [2023-11-12 02:34:34,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 29 states, 28 states have (on average 157.60714285714286) internal successors, (4413), 28 states have internal predecessors, (4413), 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) [2023-11-12 02:34:34,462 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 29 states, 29 states have (on average 341.0) internal successors, (9889), 29 states have internal predecessors, (9889), 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) [2023-11-12 02:34:34,466 INFO L81 ComplementDD]: Finished complementDD. Result has 29 states, 29 states have (on average 341.0) internal successors, (9889), 29 states have internal predecessors, (9889), 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) [2023-11-12 02:34:34,466 INFO L175 Difference]: Start difference. First operand has 155 places, 202 transitions, 2339 flow. Second operand 28 states and 4413 transitions. [2023-11-12 02:34:34,466 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 182 places, 334 transitions, 4064 flow [2023-11-12 02:34:34,521 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 334 transitions, 3971 flow, removed 44 selfloop flow, removed 2 redundant places. [2023-11-12 02:34:34,528 INFO L231 Difference]: Finished difference. Result has 191 places, 271 transitions, 3598 flow [2023-11-12 02:34:34,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=2258, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=110, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=80, PETRI_DIFFERENCE_SUBTRAHEND_STATES=28, PETRI_FLOW=3598, PETRI_PLACES=191, PETRI_TRANSITIONS=271} [2023-11-12 02:34:34,530 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 154 predicate places. [2023-11-12 02:34:34,530 INFO L495 AbstractCegarLoop]: Abstraction has has 191 places, 271 transitions, 3598 flow [2023-11-12 02:34:34,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 153.1) internal successors, (1531), 10 states have internal predecessors, (1531), 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) [2023-11-12 02:34:34,531 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:34,531 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:34,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-12 02:34:34,531 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:34,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:34,532 INFO L85 PathProgramCache]: Analyzing trace with hash 578989438, now seen corresponding path program 1 times [2023-11-12 02:34:34,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:34,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079390176] [2023-11-12 02:34:34,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:34,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:35,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:35,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:35,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079390176] [2023-11-12 02:34:35,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079390176] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:35,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:35,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:34:35,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386468457] [2023-11-12 02:34:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:35,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-12 02:34:35,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:35,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-12 02:34:35,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-12 02:34:36,013 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 341 [2023-11-12 02:34:36,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 191 places, 271 transitions, 3598 flow. Second operand has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2023-11-12 02:34:36,015 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:36,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 341 [2023-11-12 02:34:36,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-12 02:34:37,057 INFO L124 PetriNetUnfolderBase]: 601/1291 cut-off events. [2023-11-12 02:34:37,058 INFO L125 PetriNetUnfolderBase]: For 10924/10924 co-relation queries the response was YES. [2023-11-12 02:34:37,072 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7232 conditions, 1291 events. 601/1291 cut-off events. For 10924/10924 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 7695 event pairs, 212 based on Foata normal form. 4/1295 useless extension candidates. Maximal degree in co-relation 7135. Up to 1032 conditions per place. [2023-11-12 02:34:37,084 INFO L140 encePairwiseOnDemand]: 327/341 looper letters, 228 selfloop transitions, 105 changer transitions 21/355 dead transitions. [2023-11-12 02:34:37,085 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 355 transitions, 5318 flow [2023-11-12 02:34:37,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-11-12 02:34:37,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2023-11-12 02:34:37,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 2523 transitions. [2023-11-12 02:34:37,091 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4624266862170088 [2023-11-12 02:34:37,091 INFO L72 ComplementDD]: Start complementDD. Operand 16 states and 2523 transitions. [2023-11-12 02:34:37,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 2523 transitions. [2023-11-12 02:34:37,093 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:34:37,093 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 16 states and 2523 transitions. [2023-11-12 02:34:37,097 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 17 states, 16 states have (on average 157.6875) internal successors, (2523), 16 states have internal predecessors, (2523), 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) [2023-11-12 02:34:37,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:37,106 INFO L81 ComplementDD]: Finished complementDD. Result has 17 states, 17 states have (on average 341.0) internal successors, (5797), 17 states have internal predecessors, (5797), 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) [2023-11-12 02:34:37,106 INFO L175 Difference]: Start difference. First operand has 191 places, 271 transitions, 3598 flow. Second operand 16 states and 2523 transitions. [2023-11-12 02:34:37,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 355 transitions, 5318 flow [2023-11-12 02:34:37,199 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 355 transitions, 4998 flow, removed 115 selfloop flow, removed 8 redundant places. [2023-11-12 02:34:37,209 INFO L231 Difference]: Finished difference. Result has 207 places, 306 transitions, 4258 flow [2023-11-12 02:34:37,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=341, PETRI_DIFFERENCE_MINUEND_FLOW=3362, PETRI_DIFFERENCE_MINUEND_PLACES=183, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=271, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=68, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=166, PETRI_DIFFERENCE_SUBTRAHEND_STATES=16, PETRI_FLOW=4258, PETRI_PLACES=207, PETRI_TRANSITIONS=306} [2023-11-12 02:34:37,210 INFO L281 CegarLoopForPetriNet]: 37 programPoint places, 170 predicate places. [2023-11-12 02:34:37,210 INFO L495 AbstractCegarLoop]: Abstraction has has 207 places, 306 transitions, 4258 flow [2023-11-12 02:34:37,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 153.0) internal successors, (1683), 11 states have internal predecessors, (1683), 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) [2023-11-12 02:34:37,211 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-12 02:34:37,211 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:34:37,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-12 02:34:37,212 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-11-12 02:34:37,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:34:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1936484836, now seen corresponding path program 2 times [2023-11-12 02:34:37,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:34:37,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174587854] [2023-11-12 02:34:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:34:37,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:34:37,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:34:37,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:34:37,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:34:37,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174587854] [2023-11-12 02:34:37,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174587854] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:34:37,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:34:37,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-12 02:34:37,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145733332] [2023-11-12 02:34:37,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:34:37,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-12 02:34:37,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:34:37,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:34:37,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:34:38,499 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 341 [2023-11-12 02:34:38,501 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 306 transitions, 4258 flow. Second operand has 10 states, 10 states have (on average 153.1) internal successors, (1531), 10 states have internal predecessors, (1531), 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) [2023-11-12 02:34:38,501 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-12 02:34:38,501 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 341 [2023-11-12 02:34:38,501 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand