./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:06:00,738 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:06:00,740 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:06:00,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:06:00,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:06:00,791 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:06:00,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:06:00,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:06:00,798 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:06:00,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:06:00,805 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:06:00,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:06:00,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:06:00,809 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:06:00,811 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:06:00,814 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:06:00,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:06:00,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:06:00,821 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:06:00,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:06:00,837 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:06:00,839 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:06:00,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:06:00,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:06:00,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:06:00,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:06:00,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:06:00,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:06:00,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:06:00,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:06:00,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:06:00,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:06:00,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:06:00,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:06:00,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:06:00,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:06:00,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:06:00,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:06:00,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:06:00,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:06:00,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:06:00,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:06:00,892 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:06:00,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:06:00,893 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:06:00,893 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:06:00,894 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:06:00,894 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:06:00,895 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:06:00,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:06:00,895 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:06:00,896 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:06:00,896 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:06:00,897 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:06:00,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:06:00,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:06:00,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:06:00,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:06:00,898 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:06:00,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:06:00,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:06:00,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:06:00,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:06:00,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:06:00,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:06:00,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:06:00,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:06:00,900 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:06:00,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:06:00,901 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:06:00,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:06:00,901 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:06:00,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:06:00,902 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:06:00,902 INFO L138 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79b55bbc1c83a113dd61cfbd1c59324170026eea9fc3fed8c2e488e492b32e33 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:06:01,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:06:01,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:06:01,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:06:01,241 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:06:01,241 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:06:01,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-30 13:06:02,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:06:02,670 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:06:02,670 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i [2023-08-30 13:06:02,695 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1cccbd3/2b1b619f51e64bcb88a81c4426b83cf3/FLAG834911c2e [2023-08-30 13:06:02,715 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa1cccbd3/2b1b619f51e64bcb88a81c4426b83cf3 [2023-08-30 13:06:02,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:06:02,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:06:02,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:06:02,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:06:02,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:06:02,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:06:02" (1/1) ... [2023-08-30 13:06:02,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7dfe18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:02, skipping insertion in model container [2023-08-30 13:06:02,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:06:02" (1/1) ... [2023-08-30 13:06:02,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:06:02,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:06:03,316 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-08-30 13:06:03,369 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:06:03,382 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:06:03,455 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_1-container_of-global.i[76084,76097] [2023-08-30 13:06:03,470 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:06:03,563 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:06:03,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03 WrapperNode [2023-08-30 13:06:03,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:06:03,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:06:03,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:06:03,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:06:03,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,615 INFO L138 Inliner]: procedures = 482, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 135 [2023-08-30 13:06:03,615 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:06:03,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:06:03,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:06:03,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:06:03,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,646 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,651 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:06:03,652 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:06:03,652 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:06:03,652 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:06:03,653 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (1/1) ... [2023-08-30 13:06:03,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:06:03,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:06:03,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 13:06:03,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 13:06:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:06:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:06:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 13:06:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:06:03,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:06:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:06:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:06:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure my_callback [2023-08-30 13:06:03,715 INFO L138 BoogieDeclarations]: Found implementation of procedure my_callback [2023-08-30 13:06:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:06:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:06:03,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:06:03,717 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 13:06:04,028 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:06:04,030 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:06:04,214 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:06:04,221 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:06:04,221 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 13:06:04,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:06:04 BoogieIcfgContainer [2023-08-30 13:06:04,223 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:06:04,225 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:06:04,225 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:06:04,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:06:04,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:06:02" (1/3) ... [2023-08-30 13:06:04,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cba93e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:06:04, skipping insertion in model container [2023-08-30 13:06:04,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:06:03" (2/3) ... [2023-08-30 13:06:04,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cba93e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:06:04, skipping insertion in model container [2023-08-30 13:06:04,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:06:04" (3/3) ... [2023-08-30 13:06:04,230 INFO L112 eAbstractionObserver]: Analyzing ICFG race-3_1-container_of-global.i [2023-08-30 13:06:04,236 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:06:04,244 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:06:04,244 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 13:06:04,244 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:06:04,333 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:06:04,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 174 places, 176 transitions, 368 flow [2023-08-30 13:06:04,464 INFO L130 PetriNetUnfolder]: 10/212 cut-off events. [2023-08-30 13:06:04,464 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:06:04,469 INFO L83 FinitePrefix]: Finished finitePrefix Result has 221 conditions, 212 events. 10/212 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 363 event pairs, 0 based on Foata normal form. 0/196 useless extension candidates. Maximal degree in co-relation 125. Up to 4 conditions per place. [2023-08-30 13:06:04,470 INFO L82 GeneralOperation]: Start removeDead. Operand has 174 places, 176 transitions, 368 flow [2023-08-30 13:06:04,477 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 149 places, 146 transitions, 301 flow [2023-08-30 13:06:04,480 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:06:04,496 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 149 places, 146 transitions, 301 flow [2023-08-30 13:06:04,499 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 149 places, 146 transitions, 301 flow [2023-08-30 13:06:04,500 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 149 places, 146 transitions, 301 flow [2023-08-30 13:06:04,560 INFO L130 PetriNetUnfolder]: 4/146 cut-off events. [2023-08-30 13:06:04,564 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:06:04,565 INFO L83 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 146 events. 4/146 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 167 event pairs, 0 based on Foata normal form. 0/137 useless extension candidates. Maximal degree in co-relation 84. Up to 2 conditions per place. [2023-08-30 13:06:04,568 INFO L119 LiptonReduction]: Number of co-enabled transitions 3740 [2023-08-30 13:06:12,215 INFO L134 LiptonReduction]: Checked pairs total: 7925 [2023-08-30 13:06:12,216 INFO L136 LiptonReduction]: Total number of compositions: 146 [2023-08-30 13:06:12,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:06:12,231 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=LoopsAndPotentialCycles, 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;@5e42b061, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:06:12,232 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2023-08-30 13:06:12,236 INFO L130 PetriNetUnfolder]: 0/6 cut-off events. [2023-08-30 13:06:12,236 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:06:12,236 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:12,236 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:06:12,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:12,247 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:12,247 INFO L85 PathProgramCache]: Analyzing trace with hash 551923569, now seen corresponding path program 1 times [2023-08-30 13:06:12,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:12,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033205152] [2023-08-30 13:06:12,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:12,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:12,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:13,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:13,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033205152] [2023-08-30 13:06:13,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033205152] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:13,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:13,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:06:13,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904512383] [2023-08-30 13:06:13,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:13,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:06:13,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:13,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:06:13,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:06:13,185 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 322 [2023-08-30 13:06:13,189 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 27 transitions, 63 flow. Second operand has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,190 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:13,190 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 322 [2023-08-30 13:06:13,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:13,341 INFO L130 PetriNetUnfolder]: 175/349 cut-off events. [2023-08-30 13:06:13,341 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2023-08-30 13:06:13,343 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 349 events. 175/349 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1528 event pairs, 108 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 624. Up to 301 conditions per place. [2023-08-30 13:06:13,347 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 29 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2023-08-30 13:06:13,348 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 37 transitions, 158 flow [2023-08-30 13:06:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:06:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:06:13,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 779 transitions. [2023-08-30 13:06:13,370 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48385093167701865 [2023-08-30 13:06:13,371 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 779 transitions. [2023-08-30 13:06:13,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 779 transitions. [2023-08-30 13:06:13,376 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:13,378 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 779 transitions. [2023-08-30 13:06:13,384 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 155.8) internal successors, (779), 5 states have internal predecessors, (779), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,393 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,394 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,396 INFO L175 Difference]: Start difference. First operand has 33 places, 27 transitions, 63 flow. Second operand 5 states and 779 transitions. [2023-08-30 13:06:13,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 37 transitions, 158 flow [2023-08-30 13:06:13,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 37 transitions, 152 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:13,402 INFO L231 Difference]: Finished difference. Result has 34 places, 28 transitions, 100 flow [2023-08-30 13:06:13,404 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=100, PETRI_PLACES=34, PETRI_TRANSITIONS=28} [2023-08-30 13:06:13,407 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 1 predicate places. [2023-08-30 13:06:13,408 INFO L495 AbstractCegarLoop]: Abstraction has has 34 places, 28 transitions, 100 flow [2023-08-30 13:06:13,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 149.25) internal successors, (597), 4 states have internal predecessors, (597), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:13,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:06:13,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:06:13,410 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:13,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:13,420 INFO L85 PathProgramCache]: Analyzing trace with hash 551923585, now seen corresponding path program 1 times [2023-08-30 13:06:13,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:13,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89912928] [2023-08-30 13:06:13,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:13,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:13,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:13,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:13,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89912928] [2023-08-30 13:06:13,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89912928] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:13,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:13,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:06:13,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441308827] [2023-08-30 13:06:13,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:13,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:06:13,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:13,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:06:13,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-08-30 13:06:13,899 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 322 [2023-08-30 13:06:13,900 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 28 transitions, 100 flow. Second operand has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:13,901 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:13,901 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 322 [2023-08-30 13:06:13,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:13,999 INFO L130 PetriNetUnfolder]: 194/365 cut-off events. [2023-08-30 13:06:13,999 INFO L131 PetriNetUnfolder]: For 106/106 co-relation queries the response was YES. [2023-08-30 13:06:14,000 INFO L83 FinitePrefix]: Finished finitePrefix Result has 875 conditions, 365 events. 194/365 cut-off events. For 106/106 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1350 event pairs, 189 based on Foata normal form. 1/328 useless extension candidates. Maximal degree in co-relation 725. Up to 361 conditions per place. [2023-08-30 13:06:14,002 INFO L137 encePairwiseOnDemand]: 316/322 looper letters, 23 selfloop transitions, 7 changer transitions 0/30 dead transitions. [2023-08-30 13:06:14,002 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 30 transitions, 166 flow [2023-08-30 13:06:14,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:06:14,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:06:14,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2023-08-30 13:06:14,005 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4720496894409938 [2023-08-30 13:06:14,005 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2023-08-30 13:06:14,005 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2023-08-30 13:06:14,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:14,006 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2023-08-30 13:06:14,008 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,010 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,011 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,011 INFO L175 Difference]: Start difference. First operand has 34 places, 28 transitions, 100 flow. Second operand 5 states and 760 transitions. [2023-08-30 13:06:14,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 30 transitions, 166 flow [2023-08-30 13:06:14,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 30 transitions, 159 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:14,014 INFO L231 Difference]: Finished difference. Result has 38 places, 29 transitions, 116 flow [2023-08-30 13:06:14,014 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=116, PETRI_PLACES=38, PETRI_TRANSITIONS=29} [2023-08-30 13:06:14,015 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 5 predicate places. [2023-08-30 13:06:14,015 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 29 transitions, 116 flow [2023-08-30 13:06:14,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 147.25) internal successors, (589), 4 states have internal predecessors, (589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,016 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:14,016 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:06:14,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:06:14,016 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:14,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:14,019 INFO L85 PathProgramCache]: Analyzing trace with hash -70256754, now seen corresponding path program 1 times [2023-08-30 13:06:14,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:14,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309601594] [2023-08-30 13:06:14,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:14,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:14,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:14,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309601594] [2023-08-30 13:06:14,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309601594] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:14,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:14,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:14,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136834621] [2023-08-30 13:06:14,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:14,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:06:14,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:14,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:06:14,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:06:14,456 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 13:06:14,457 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 116 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,458 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:14,458 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 13:06:14,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:14,573 INFO L130 PetriNetUnfolder]: 215/401 cut-off events. [2023-08-30 13:06:14,573 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2023-08-30 13:06:14,574 INFO L83 FinitePrefix]: Finished finitePrefix Result has 974 conditions, 401 events. 215/401 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1550 event pairs, 129 based on Foata normal form. 10/373 useless extension candidates. Maximal degree in co-relation 760. Up to 355 conditions per place. [2023-08-30 13:06:14,576 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 33 selfloop transitions, 13 changer transitions 0/46 dead transitions. [2023-08-30 13:06:14,576 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 46 transitions, 256 flow [2023-08-30 13:06:14,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:06:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:06:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 769 transitions. [2023-08-30 13:06:14,578 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47763975155279503 [2023-08-30 13:06:14,579 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 769 transitions. [2023-08-30 13:06:14,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 769 transitions. [2023-08-30 13:06:14,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:14,579 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 769 transitions. [2023-08-30 13:06:14,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.8) internal successors, (769), 5 states have internal predecessors, (769), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,584 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,585 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,585 INFO L175 Difference]: Start difference. First operand has 38 places, 29 transitions, 116 flow. Second operand 5 states and 769 transitions. [2023-08-30 13:06:14,585 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 46 transitions, 256 flow [2023-08-30 13:06:14,587 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 46 transitions, 244 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:14,588 INFO L231 Difference]: Finished difference. Result has 41 places, 36 transitions, 176 flow [2023-08-30 13:06:14,588 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=104, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=176, PETRI_PLACES=41, PETRI_TRANSITIONS=36} [2023-08-30 13:06:14,589 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places. [2023-08-30 13:06:14,592 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 36 transitions, 176 flow [2023-08-30 13:06:14,592 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:14,592 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:14,593 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:06:14,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:06:14,593 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:14,593 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:14,594 INFO L85 PathProgramCache]: Analyzing trace with hash -70236294, now seen corresponding path program 2 times [2023-08-30 13:06:14,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:14,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136030264] [2023-08-30 13:06:14,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:14,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:15,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:15,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:15,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136030264] [2023-08-30 13:06:15,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136030264] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:15,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:15,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:15,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022475430] [2023-08-30 13:06:15,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:15,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:06:15,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:15,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:06:15,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:06:15,090 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 13:06:15,091 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 36 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,091 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:15,091 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 13:06:15,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:15,203 INFO L130 PetriNetUnfolder]: 201/377 cut-off events. [2023-08-30 13:06:15,203 INFO L131 PetriNetUnfolder]: For 302/302 co-relation queries the response was YES. [2023-08-30 13:06:15,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1047 conditions, 377 events. 201/377 cut-off events. For 302/302 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1448 event pairs, 57 based on Foata normal form. 10/349 useless extension candidates. Maximal degree in co-relation 828. Up to 309 conditions per place. [2023-08-30 13:06:15,206 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 35 selfloop transitions, 14 changer transitions 0/49 dead transitions. [2023-08-30 13:06:15,206 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 49 transitions, 315 flow [2023-08-30 13:06:15,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:06:15,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:06:15,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 768 transitions. [2023-08-30 13:06:15,209 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47701863354037266 [2023-08-30 13:06:15,209 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 768 transitions. [2023-08-30 13:06:15,209 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 768 transitions. [2023-08-30 13:06:15,209 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:15,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 768 transitions. [2023-08-30 13:06:15,211 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 153.6) internal successors, (768), 5 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,214 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,215 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,215 INFO L175 Difference]: Start difference. First operand has 41 places, 36 transitions, 176 flow. Second operand 5 states and 768 transitions. [2023-08-30 13:06:15,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 49 transitions, 315 flow [2023-08-30 13:06:15,217 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 309 flow, removed 3 selfloop flow, removed 0 redundant places. [2023-08-30 13:06:15,218 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 229 flow [2023-08-30 13:06:15,218 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=229, PETRI_PLACES=46, PETRI_TRANSITIONS=39} [2023-08-30 13:06:15,219 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 13 predicate places. [2023-08-30 13:06:15,219 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 229 flow [2023-08-30 13:06:15,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.2) internal successors, (731), 5 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:15,220 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:15,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:06:15,221 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:15,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:15,221 INFO L85 PathProgramCache]: Analyzing trace with hash 2113345447, now seen corresponding path program 1 times [2023-08-30 13:06:15,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:15,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282374698] [2023-08-30 13:06:15,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:15,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:15,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:15,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:15,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282374698] [2023-08-30 13:06:15,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282374698] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:15,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:15,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:15,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445176116] [2023-08-30 13:06:15,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:15,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-08-30 13:06:15,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:15,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-08-30 13:06:15,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:06:15,693 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 322 [2023-08-30 13:06:15,694 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 229 flow. Second operand has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,694 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:15,694 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 322 [2023-08-30 13:06:15,694 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:15,799 INFO L130 PetriNetUnfolder]: 189/357 cut-off events. [2023-08-30 13:06:15,799 INFO L131 PetriNetUnfolder]: For 447/447 co-relation queries the response was YES. [2023-08-30 13:06:15,800 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1077 conditions, 357 events. 189/357 cut-off events. For 447/447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1322 event pairs, 72 based on Foata normal form. 0/327 useless extension candidates. Maximal degree in co-relation 775. Up to 315 conditions per place. [2023-08-30 13:06:15,801 INFO L137 encePairwiseOnDemand]: 315/322 looper letters, 39 selfloop transitions, 12 changer transitions 0/51 dead transitions. [2023-08-30 13:06:15,802 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 51 transitions, 384 flow [2023-08-30 13:06:15,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-30 13:06:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-30 13:06:15,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 764 transitions. [2023-08-30 13:06:15,804 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4745341614906832 [2023-08-30 13:06:15,804 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 764 transitions. [2023-08-30 13:06:15,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 764 transitions. [2023-08-30 13:06:15,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:15,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 764 transitions. [2023-08-30 13:06:15,807 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.8) internal successors, (764), 5 states have internal predecessors, (764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,809 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,809 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 322.0) internal successors, (1932), 6 states have internal predecessors, (1932), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,809 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 229 flow. Second operand 5 states and 764 transitions. [2023-08-30 13:06:15,810 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 51 transitions, 384 flow [2023-08-30 13:06:15,811 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 51 transitions, 369 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:15,812 INFO L231 Difference]: Finished difference. Result has 51 places, 44 transitions, 286 flow [2023-08-30 13:06:15,813 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=286, PETRI_PLACES=51, PETRI_TRANSITIONS=44} [2023-08-30 13:06:15,813 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 18 predicate places. [2023-08-30 13:06:15,814 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 44 transitions, 286 flow [2023-08-30 13:06:15,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 146.4) internal successors, (732), 5 states have internal predecessors, (732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:15,814 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:15,814 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:15,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 13:06:15,815 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:15,815 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:15,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1417365804, now seen corresponding path program 1 times [2023-08-30 13:06:15,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:15,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198739912] [2023-08-30 13:06:15,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:15,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:16,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:16,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:16,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198739912] [2023-08-30 13:06:16,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198739912] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:16,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:16,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 13:06:16,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260903216] [2023-08-30 13:06:16,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:16,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 13:06:16,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:16,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 13:06:16,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-08-30 13:06:16,560 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 322 [2023-08-30 13:06:16,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 44 transitions, 286 flow. Second operand has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:16,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 322 [2023-08-30 13:06:16,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:16,812 INFO L130 PetriNetUnfolder]: 213/397 cut-off events. [2023-08-30 13:06:16,813 INFO L131 PetriNetUnfolder]: For 471/471 co-relation queries the response was YES. [2023-08-30 13:06:16,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1263 conditions, 397 events. 213/397 cut-off events. For 471/471 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1543 event pairs, 46 based on Foata normal form. 12/394 useless extension candidates. Maximal degree in co-relation 967. Up to 301 conditions per place. [2023-08-30 13:06:16,816 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 41 selfloop transitions, 21 changer transitions 0/62 dead transitions. [2023-08-30 13:06:16,816 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 62 transitions, 487 flow [2023-08-30 13:06:16,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:06:16,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:06:16,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 897 transitions. [2023-08-30 13:06:16,819 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4642857142857143 [2023-08-30 13:06:16,819 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 897 transitions. [2023-08-30 13:06:16,819 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 897 transitions. [2023-08-30 13:06:16,820 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:16,820 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 897 transitions. [2023-08-30 13:06:16,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 149.5) internal successors, (897), 6 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,833 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,834 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 322.0) internal successors, (2254), 7 states have internal predecessors, (2254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,834 INFO L175 Difference]: Start difference. First operand has 51 places, 44 transitions, 286 flow. Second operand 6 states and 897 transitions. [2023-08-30 13:06:16,834 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 62 transitions, 487 flow [2023-08-30 13:06:16,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 62 transitions, 473 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:16,838 INFO L231 Difference]: Finished difference. Result has 57 places, 51 transitions, 394 flow [2023-08-30 13:06:16,838 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=394, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2023-08-30 13:06:16,839 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-08-30 13:06:16,839 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 394 flow [2023-08-30 13:06:16,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 142.125) internal successors, (1137), 8 states have internal predecessors, (1137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:16,840 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:16,840 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:16,840 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 13:06:16,840 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:16,841 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:16,841 INFO L85 PathProgramCache]: Analyzing trace with hash -589926819, now seen corresponding path program 1 times [2023-08-30 13:06:16,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:16,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095294652] [2023-08-30 13:06:16,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:16,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:17,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:17,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:17,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095294652] [2023-08-30 13:06:17,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095294652] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:17,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:17,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:17,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014828207] [2023-08-30 13:06:17,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:17,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:06:17,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:17,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:06:17,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:06:17,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-08-30 13:06:17,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 394 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:17,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-08-30 13:06:17,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:17,195 INFO L130 PetriNetUnfolder]: 210/424 cut-off events. [2023-08-30 13:06:17,195 INFO L131 PetriNetUnfolder]: For 829/829 co-relation queries the response was YES. [2023-08-30 13:06:17,196 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 424 events. 210/424 cut-off events. For 829/829 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1829 event pairs, 52 based on Foata normal form. 8/412 useless extension candidates. Maximal degree in co-relation 1154. Up to 233 conditions per place. [2023-08-30 13:06:17,198 INFO L137 encePairwiseOnDemand]: 318/322 looper letters, 51 selfloop transitions, 5 changer transitions 4/68 dead transitions. [2023-08-30 13:06:17,198 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 68 transitions, 605 flow [2023-08-30 13:06:17,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:06:17,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:06:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 493 transitions. [2023-08-30 13:06:17,200 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.510351966873706 [2023-08-30 13:06:17,200 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 493 transitions. [2023-08-30 13:06:17,200 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 493 transitions. [2023-08-30 13:06:17,201 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:17,201 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 493 transitions. [2023-08-30 13:06:17,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 164.33333333333334) internal successors, (493), 3 states have internal predecessors, (493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,204 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,204 INFO L175 Difference]: Start difference. First operand has 57 places, 51 transitions, 394 flow. Second operand 3 states and 493 transitions. [2023-08-30 13:06:17,204 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 68 transitions, 605 flow [2023-08-30 13:06:17,207 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 565 flow, removed 6 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:17,208 INFO L231 Difference]: Finished difference. Result has 57 places, 52 transitions, 379 flow [2023-08-30 13:06:17,208 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=356, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=379, PETRI_PLACES=57, PETRI_TRANSITIONS=52} [2023-08-30 13:06:17,209 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 24 predicate places. [2023-08-30 13:06:17,209 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 52 transitions, 379 flow [2023-08-30 13:06:17,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,209 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:17,210 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:17,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-30 13:06:17,210 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:17,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:17,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1161114935, now seen corresponding path program 2 times [2023-08-30 13:06:17,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:17,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733337811] [2023-08-30 13:06:17,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:17,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:17,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:17,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:17,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:17,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733337811] [2023-08-30 13:06:17,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733337811] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:17,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:17,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-08-30 13:06:17,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642366741] [2023-08-30 13:06:17,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:17,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:06:17,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:17,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:06:17,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:06:17,438 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 322 [2023-08-30 13:06:17,439 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 52 transitions, 379 flow. Second operand has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,439 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:17,439 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 322 [2023-08-30 13:06:17,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:17,503 INFO L130 PetriNetUnfolder]: 57/147 cut-off events. [2023-08-30 13:06:17,503 INFO L131 PetriNetUnfolder]: For 391/391 co-relation queries the response was YES. [2023-08-30 13:06:17,503 INFO L83 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 147 events. 57/147 cut-off events. For 391/391 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 515 event pairs, 33 based on Foata normal form. 14/153 useless extension candidates. Maximal degree in co-relation 457. Up to 84 conditions per place. [2023-08-30 13:06:17,504 INFO L137 encePairwiseOnDemand]: 319/322 looper letters, 31 selfloop transitions, 4 changer transitions 2/39 dead transitions. [2023-08-30 13:06:17,504 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 39 transitions, 340 flow [2023-08-30 13:06:17,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:06:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:06:17,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 481 transitions. [2023-08-30 13:06:17,506 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4979296066252588 [2023-08-30 13:06:17,507 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 481 transitions. [2023-08-30 13:06:17,507 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 481 transitions. [2023-08-30 13:06:17,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:17,524 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 481 transitions. [2023-08-30 13:06:17,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,526 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,527 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 322.0) internal successors, (1288), 4 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,527 INFO L175 Difference]: Start difference. First operand has 57 places, 52 transitions, 379 flow. Second operand 3 states and 481 transitions. [2023-08-30 13:06:17,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 39 transitions, 340 flow [2023-08-30 13:06:17,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 39 transitions, 307 flow, removed 10 selfloop flow, removed 5 redundant places. [2023-08-30 13:06:17,532 INFO L231 Difference]: Finished difference. Result has 54 places, 34 transitions, 229 flow [2023-08-30 13:06:17,532 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=223, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=229, PETRI_PLACES=54, PETRI_TRANSITIONS=34} [2023-08-30 13:06:17,534 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 21 predicate places. [2023-08-30 13:06:17,534 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 34 transitions, 229 flow [2023-08-30 13:06:17,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 154.66666666666666) internal successors, (464), 3 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:17,535 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:17,535 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:17,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-30 13:06:17,535 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:17,536 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:17,536 INFO L85 PathProgramCache]: Analyzing trace with hash 474078808, now seen corresponding path program 1 times [2023-08-30 13:06:17,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:17,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840223971] [2023-08-30 13:06:17,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:17,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:17,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:17,939 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:17,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:17,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840223971] [2023-08-30 13:06:17,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840223971] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:17,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:17,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-30 13:06:17,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014078426] [2023-08-30 13:06:17,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:17,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 13:06:17,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:17,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 13:06:17,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-30 13:06:18,177 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 322 [2023-08-30 13:06:18,178 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 34 transitions, 229 flow. Second operand has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,178 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:18,178 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 322 [2023-08-30 13:06:18,178 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:18,337 INFO L130 PetriNetUnfolder]: 56/156 cut-off events. [2023-08-30 13:06:18,337 INFO L131 PetriNetUnfolder]: For 296/296 co-relation queries the response was YES. [2023-08-30 13:06:18,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 538 conditions, 156 events. 56/156 cut-off events. For 296/296 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 584 event pairs, 11 based on Foata normal form. 0/151 useless extension candidates. Maximal degree in co-relation 383. Up to 73 conditions per place. [2023-08-30 13:06:18,339 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 20 changer transitions 2/57 dead transitions. [2023-08-30 13:06:18,339 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 57 transitions, 412 flow [2023-08-30 13:06:18,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 13:06:18,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 13:06:18,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1337 transitions. [2023-08-30 13:06:18,343 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4613526570048309 [2023-08-30 13:06:18,343 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1337 transitions. [2023-08-30 13:06:18,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1337 transitions. [2023-08-30 13:06:18,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:18,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1337 transitions. [2023-08-30 13:06:18,346 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 148.55555555555554) internal successors, (1337), 9 states have internal predecessors, (1337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,351 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,351 INFO L175 Difference]: Start difference. First operand has 54 places, 34 transitions, 229 flow. Second operand 9 states and 1337 transitions. [2023-08-30 13:06:18,351 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 57 transitions, 412 flow [2023-08-30 13:06:18,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 57 transitions, 392 flow, removed 2 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:18,354 INFO L231 Difference]: Finished difference. Result has 62 places, 41 transitions, 311 flow [2023-08-30 13:06:18,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=213, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=18, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=311, PETRI_PLACES=62, PETRI_TRANSITIONS=41} [2023-08-30 13:06:18,355 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 29 predicate places. [2023-08-30 13:06:18,355 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 41 transitions, 311 flow [2023-08-30 13:06:18,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 144.57142857142858) internal successors, (1012), 7 states have internal predecessors, (1012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:18,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:18,356 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:18,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-30 13:06:18,356 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:18,357 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:18,357 INFO L85 PathProgramCache]: Analyzing trace with hash -499084517, now seen corresponding path program 1 times [2023-08-30 13:06:18,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:18,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328610487] [2023-08-30 13:06:18,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:18,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:18,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:18,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:18,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328610487] [2023-08-30 13:06:18,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328610487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:18,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:18,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:18,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878369044] [2023-08-30 13:06:18,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:18,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:18,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:18,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:18,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:19,333 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 13:06:19,335 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 41 transitions, 311 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,335 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:19,335 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 13:06:19,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:19,629 INFO L130 PetriNetUnfolder]: 60/162 cut-off events. [2023-08-30 13:06:19,629 INFO L131 PetriNetUnfolder]: For 361/361 co-relation queries the response was YES. [2023-08-30 13:06:19,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 617 conditions, 162 events. 60/162 cut-off events. For 361/361 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 580 event pairs, 9 based on Foata normal form. 3/165 useless extension candidates. Maximal degree in co-relation 483. Up to 77 conditions per place. [2023-08-30 13:06:19,630 INFO L137 encePairwiseOnDemand]: 310/322 looper letters, 41 selfloop transitions, 20 changer transitions 3/64 dead transitions. [2023-08-30 13:06:19,631 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 64 transitions, 502 flow [2023-08-30 13:06:19,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:19,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1565 transitions. [2023-08-30 13:06:19,635 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4418407679277245 [2023-08-30 13:06:19,635 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1565 transitions. [2023-08-30 13:06:19,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1565 transitions. [2023-08-30 13:06:19,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:19,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1565 transitions. [2023-08-30 13:06:19,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 142.27272727272728) internal successors, (1565), 11 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,644 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,645 INFO L175 Difference]: Start difference. First operand has 62 places, 41 transitions, 311 flow. Second operand 11 states and 1565 transitions. [2023-08-30 13:06:19,645 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 64 transitions, 502 flow [2023-08-30 13:06:19,647 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 69 places, 64 transitions, 478 flow, removed 3 selfloop flow, removed 3 redundant places. [2023-08-30 13:06:19,648 INFO L231 Difference]: Finished difference. Result has 70 places, 41 transitions, 330 flow [2023-08-30 13:06:19,648 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=282, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=330, PETRI_PLACES=70, PETRI_TRANSITIONS=41} [2023-08-30 13:06:19,649 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 37 predicate places. [2023-08-30 13:06:19,649 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 41 transitions, 330 flow [2023-08-30 13:06:19,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:19,650 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:19,650 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:19,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-30 13:06:19,650 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:19,651 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:19,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661617, now seen corresponding path program 2 times [2023-08-30 13:06:19,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:19,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345015243] [2023-08-30 13:06:19,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:19,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:20,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:20,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345015243] [2023-08-30 13:06:20,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345015243] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:20,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:20,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:20,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486145610] [2023-08-30 13:06:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:20,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:20,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:20,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:20,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:20,703 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 13:06:20,704 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 41 transitions, 330 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,704 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:20,704 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 13:06:20,704 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:20,938 INFO L130 PetriNetUnfolder]: 57/152 cut-off events. [2023-08-30 13:06:20,938 INFO L131 PetriNetUnfolder]: For 379/379 co-relation queries the response was YES. [2023-08-30 13:06:20,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 613 conditions, 152 events. 57/152 cut-off events. For 379/379 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 521 event pairs, 4 based on Foata normal form. 3/155 useless extension candidates. Maximal degree in co-relation 541. Up to 42 conditions per place. [2023-08-30 13:06:20,939 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 22 changer transitions 2/60 dead transitions. [2023-08-30 13:06:20,940 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 60 transitions, 515 flow [2023-08-30 13:06:20,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:20,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1558 transitions. [2023-08-30 13:06:20,945 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4398644833427442 [2023-08-30 13:06:20,945 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1558 transitions. [2023-08-30 13:06:20,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1558 transitions. [2023-08-30 13:06:20,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:20,946 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1558 transitions. [2023-08-30 13:06:20,950 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.63636363636363) internal successors, (1558), 11 states have internal predecessors, (1558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,955 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,956 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,956 INFO L175 Difference]: Start difference. First operand has 70 places, 41 transitions, 330 flow. Second operand 11 states and 1558 transitions. [2023-08-30 13:06:20,957 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 60 transitions, 515 flow [2023-08-30 13:06:20,959 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 60 transitions, 461 flow, removed 7 selfloop flow, removed 10 redundant places. [2023-08-30 13:06:20,960 INFO L231 Difference]: Finished difference. Result has 73 places, 43 transitions, 366 flow [2023-08-30 13:06:20,960 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=366, PETRI_PLACES=73, PETRI_TRANSITIONS=43} [2023-08-30 13:06:20,961 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-08-30 13:06:20,961 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 43 transitions, 366 flow [2023-08-30 13:06:20,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:20,962 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:20,962 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:20,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-30 13:06:20,962 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:20,963 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:20,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1389661700, now seen corresponding path program 2 times [2023-08-30 13:06:20,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:20,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522707697] [2023-08-30 13:06:20,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:20,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:21,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:21,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:21,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522707697] [2023-08-30 13:06:21,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522707697] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:21,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:21,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:21,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639022265] [2023-08-30 13:06:21,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:21,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:21,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:21,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:21,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:21,942 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 322 [2023-08-30 13:06:21,944 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 43 transitions, 366 flow. Second operand has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:21,944 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:21,944 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 322 [2023-08-30 13:06:21,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:22,180 INFO L130 PetriNetUnfolder]: 55/145 cut-off events. [2023-08-30 13:06:22,180 INFO L131 PetriNetUnfolder]: For 400/400 co-relation queries the response was YES. [2023-08-30 13:06:22,181 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 145 events. 55/145 cut-off events. For 400/400 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 477 event pairs, 9 based on Foata normal form. 3/148 useless extension candidates. Maximal degree in co-relation 553. Up to 33 conditions per place. [2023-08-30 13:06:22,181 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 33 selfloop transitions, 21 changer transitions 2/56 dead transitions. [2023-08-30 13:06:22,181 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 56 transitions, 501 flow [2023-08-30 13:06:22,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:22,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1406 transitions. [2023-08-30 13:06:22,185 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4366459627329193 [2023-08-30 13:06:22,185 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1406 transitions. [2023-08-30 13:06:22,185 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1406 transitions. [2023-08-30 13:06:22,186 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:22,186 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1406 transitions. [2023-08-30 13:06:22,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 140.6) internal successors, (1406), 10 states have internal predecessors, (1406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,194 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,194 INFO L175 Difference]: Start difference. First operand has 73 places, 43 transitions, 366 flow. Second operand 10 states and 1406 transitions. [2023-08-30 13:06:22,194 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 56 transitions, 501 flow [2023-08-30 13:06:22,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 56 transitions, 458 flow, removed 3 selfloop flow, removed 9 redundant places. [2023-08-30 13:06:22,198 INFO L231 Difference]: Finished difference. Result has 73 places, 41 transitions, 347 flow [2023-08-30 13:06:22,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=347, PETRI_PLACES=73, PETRI_TRANSITIONS=41} [2023-08-30 13:06:22,198 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 40 predicate places. [2023-08-30 13:06:22,198 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 41 transitions, 347 flow [2023-08-30 13:06:22,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 137.0909090909091) internal successors, (1508), 11 states have internal predecessors, (1508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:22,199 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:22,200 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:22,200 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-30 13:06:22,200 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:22,200 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:22,200 INFO L85 PathProgramCache]: Analyzing trace with hash 443885985, now seen corresponding path program 1 times [2023-08-30 13:06:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668321885] [2023-08-30 13:06:22,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:22,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:22,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:22,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:22,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668321885] [2023-08-30 13:06:22,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668321885] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:22,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:22,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-08-30 13:06:22,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284375596] [2023-08-30 13:06:22,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:22,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-08-30 13:06:22,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:22,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-08-30 13:06:22,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-08-30 13:06:23,256 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 13:06:23,258 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 41 transitions, 347 flow. Second operand has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,258 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:23,258 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 13:06:23,258 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:23,542 INFO L130 PetriNetUnfolder]: 54/142 cut-off events. [2023-08-30 13:06:23,542 INFO L131 PetriNetUnfolder]: For 374/374 co-relation queries the response was YES. [2023-08-30 13:06:23,542 INFO L83 FinitePrefix]: Finished finitePrefix Result has 602 conditions, 142 events. 54/142 cut-off events. For 374/374 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 460 event pairs, 18 based on Foata normal form. 2/144 useless extension candidates. Maximal degree in co-relation 488. Up to 93 conditions per place. [2023-08-30 13:06:23,543 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 36 selfloop transitions, 17 changer transitions 1/54 dead transitions. [2023-08-30 13:06:23,543 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 54 transitions, 485 flow [2023-08-30 13:06:23,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1552 transitions. [2023-08-30 13:06:23,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43817052512704685 [2023-08-30 13:06:23,548 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1552 transitions. [2023-08-30 13:06:23,548 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1552 transitions. [2023-08-30 13:06:23,549 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:23,549 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1552 transitions. [2023-08-30 13:06:23,552 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 141.0909090909091) internal successors, (1552), 11 states have internal predecessors, (1552), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,557 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,557 INFO L175 Difference]: Start difference. First operand has 73 places, 41 transitions, 347 flow. Second operand 11 states and 1552 transitions. [2023-08-30 13:06:23,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 54 transitions, 485 flow [2023-08-30 13:06:23,559 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 54 transitions, 444 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-08-30 13:06:23,560 INFO L231 Difference]: Finished difference. Result has 72 places, 40 transitions, 334 flow [2023-08-30 13:06:23,560 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=334, PETRI_PLACES=72, PETRI_TRANSITIONS=40} [2023-08-30 13:06:23,561 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 39 predicate places. [2023-08-30 13:06:23,561 INFO L495 AbstractCegarLoop]: Abstraction has has 72 places, 40 transitions, 334 flow [2023-08-30 13:06:23,561 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 138.0909090909091) internal successors, (1519), 11 states have internal predecessors, (1519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:23,561 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:23,561 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:23,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-30 13:06:23,562 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:23,562 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:23,562 INFO L85 PathProgramCache]: Analyzing trace with hash 443885969, now seen corresponding path program 1 times [2023-08-30 13:06:23,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:23,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073206458] [2023-08-30 13:06:23,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:23,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:24,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:24,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073206458] [2023-08-30 13:06:24,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073206458] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:24,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:24,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 13:06:24,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597470820] [2023-08-30 13:06:24,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:24,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-30 13:06:24,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:24,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-30 13:06:24,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-08-30 13:06:24,286 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 322 [2023-08-30 13:06:24,287 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 40 transitions, 334 flow. Second operand has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,287 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:24,287 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 322 [2023-08-30 13:06:24,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:24,466 INFO L130 PetriNetUnfolder]: 47/131 cut-off events. [2023-08-30 13:06:24,466 INFO L131 PetriNetUnfolder]: For 360/360 co-relation queries the response was YES. [2023-08-30 13:06:24,467 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 131 events. 47/131 cut-off events. For 360/360 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 424 event pairs, 17 based on Foata normal form. 2/133 useless extension candidates. Maximal degree in co-relation 434. Up to 68 conditions per place. [2023-08-30 13:06:24,481 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 36 selfloop transitions, 7 changer transitions 11/54 dead transitions. [2023-08-30 13:06:24,481 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 54 transitions, 489 flow [2023-08-30 13:06:24,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-30 13:06:24,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-30 13:06:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1134 transitions. [2023-08-30 13:06:24,483 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44021739130434784 [2023-08-30 13:06:24,483 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1134 transitions. [2023-08-30 13:06:24,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1134 transitions. [2023-08-30 13:06:24,484 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:24,484 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1134 transitions. [2023-08-30 13:06:24,486 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 141.75) internal successors, (1134), 8 states have internal predecessors, (1134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,489 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,489 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 322.0) internal successors, (2898), 9 states have internal predecessors, (2898), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,490 INFO L175 Difference]: Start difference. First operand has 72 places, 40 transitions, 334 flow. Second operand 8 states and 1134 transitions. [2023-08-30 13:06:24,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 54 transitions, 489 flow [2023-08-30 13:06:24,491 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 54 transitions, 426 flow, removed 2 selfloop flow, removed 13 redundant places. [2023-08-30 13:06:24,492 INFO L231 Difference]: Finished difference. Result has 66 places, 35 transitions, 277 flow [2023-08-30 13:06:24,493 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=265, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=277, PETRI_PLACES=66, PETRI_TRANSITIONS=35} [2023-08-30 13:06:24,493 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 33 predicate places. [2023-08-30 13:06:24,494 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 35 transitions, 277 flow [2023-08-30 13:06:24,494 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 138.33333333333334) internal successors, (1245), 9 states have internal predecessors, (1245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:24,494 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:24,494 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:24,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-08-30 13:06:24,494 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:24,495 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:24,495 INFO L85 PathProgramCache]: Analyzing trace with hash -557141212, now seen corresponding path program 1 times [2023-08-30 13:06:24,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:24,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891999028] [2023-08-30 13:06:24,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:24,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:25,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:25,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:25,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891999028] [2023-08-30 13:06:25,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [891999028] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:25,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:25,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:25,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645323707] [2023-08-30 13:06:25,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:25,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:25,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:25,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:25,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:26,102 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:26,103 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 35 transitions, 277 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,103 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:26,103 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:26,103 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:26,461 INFO L130 PetriNetUnfolder]: 46/141 cut-off events. [2023-08-30 13:06:26,461 INFO L131 PetriNetUnfolder]: For 366/366 co-relation queries the response was YES. [2023-08-30 13:06:26,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 605 conditions, 141 events. 46/141 cut-off events. For 366/366 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 489 event pairs, 15 based on Foata normal form. 4/145 useless extension candidates. Maximal degree in co-relation 513. Up to 69 conditions per place. [2023-08-30 13:06:26,463 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 41 selfloop transitions, 18 changer transitions 0/59 dead transitions. [2023-08-30 13:06:26,463 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 537 flow [2023-08-30 13:06:26,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:26,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1331 transitions. [2023-08-30 13:06:26,467 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41335403726708075 [2023-08-30 13:06:26,468 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1331 transitions. [2023-08-30 13:06:26,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1331 transitions. [2023-08-30 13:06:26,469 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:26,469 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1331 transitions. [2023-08-30 13:06:26,472 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.1) internal successors, (1331), 10 states have internal predecessors, (1331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,477 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,477 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,477 INFO L175 Difference]: Start difference. First operand has 66 places, 35 transitions, 277 flow. Second operand 10 states and 1331 transitions. [2023-08-30 13:06:26,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 537 flow [2023-08-30 13:06:26,480 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 494 flow, removed 6 selfloop flow, removed 6 redundant places. [2023-08-30 13:06:26,483 INFO L231 Difference]: Finished difference. Result has 64 places, 44 transitions, 387 flow [2023-08-30 13:06:26,484 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=246, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=387, PETRI_PLACES=64, PETRI_TRANSITIONS=44} [2023-08-30 13:06:26,484 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 31 predicate places. [2023-08-30 13:06:26,484 INFO L495 AbstractCegarLoop]: Abstraction has has 64 places, 44 transitions, 387 flow [2023-08-30 13:06:26,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:26,485 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:26,485 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:26,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-08-30 13:06:26,485 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:26,486 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:26,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1624372688, now seen corresponding path program 2 times [2023-08-30 13:06:26,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:26,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007897518] [2023-08-30 13:06:26,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:26,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:27,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:27,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:27,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007897518] [2023-08-30 13:06:27,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007897518] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:27,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:27,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:27,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941961191] [2023-08-30 13:06:27,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:27,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:27,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:27,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:27,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:27,923 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:27,925 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 44 transitions, 387 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:27,925 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:27,925 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:27,925 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:28,215 INFO L130 PetriNetUnfolder]: 52/169 cut-off events. [2023-08-30 13:06:28,215 INFO L131 PetriNetUnfolder]: For 521/521 co-relation queries the response was YES. [2023-08-30 13:06:28,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766 conditions, 169 events. 52/169 cut-off events. For 521/521 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 679 event pairs, 19 based on Foata normal form. 4/173 useless extension candidates. Maximal degree in co-relation 628. Up to 116 conditions per place. [2023-08-30 13:06:28,217 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 50 selfloop transitions, 15 changer transitions 0/65 dead transitions. [2023-08-30 13:06:28,217 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 65 transitions, 665 flow [2023-08-30 13:06:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:28,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:28,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1327 transitions. [2023-08-30 13:06:28,220 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.412111801242236 [2023-08-30 13:06:28,220 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1327 transitions. [2023-08-30 13:06:28,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1327 transitions. [2023-08-30 13:06:28,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:28,220 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1327 transitions. [2023-08-30 13:06:28,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.7) internal successors, (1327), 10 states have internal predecessors, (1327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,226 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,227 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,227 INFO L175 Difference]: Start difference. First operand has 64 places, 44 transitions, 387 flow. Second operand 10 states and 1327 transitions. [2023-08-30 13:06:28,227 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 65 transitions, 665 flow [2023-08-30 13:06:28,230 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 65 transitions, 650 flow, removed 1 selfloop flow, removed 2 redundant places. [2023-08-30 13:06:28,231 INFO L231 Difference]: Finished difference. Result has 78 places, 54 transitions, 543 flow [2023-08-30 13:06:28,231 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=377, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=543, PETRI_PLACES=78, PETRI_TRANSITIONS=54} [2023-08-30 13:06:28,232 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 45 predicate places. [2023-08-30 13:06:28,232 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 54 transitions, 543 flow [2023-08-30 13:06:28,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:28,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:28,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:28,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-08-30 13:06:28,233 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:28,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:28,233 INFO L85 PathProgramCache]: Analyzing trace with hash -1199425478, now seen corresponding path program 3 times [2023-08-30 13:06:28,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:28,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834813602] [2023-08-30 13:06:28,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:28,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:28,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:28,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:28,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834813602] [2023-08-30 13:06:28,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834813602] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:28,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:28,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:28,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427338325] [2023-08-30 13:06:28,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:28,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:28,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:28,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:28,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:29,567 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:29,568 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 54 transitions, 543 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,569 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:29,569 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:29,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:29,886 INFO L130 PetriNetUnfolder]: 58/194 cut-off events. [2023-08-30 13:06:29,886 INFO L131 PetriNetUnfolder]: For 822/822 co-relation queries the response was YES. [2023-08-30 13:06:29,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 969 conditions, 194 events. 58/194 cut-off events. For 822/822 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 838 event pairs, 23 based on Foata normal form. 4/198 useless extension candidates. Maximal degree in co-relation 814. Up to 108 conditions per place. [2023-08-30 13:06:29,888 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 49 selfloop transitions, 24 changer transitions 0/73 dead transitions. [2023-08-30 13:06:29,888 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 73 transitions, 827 flow [2023-08-30 13:06:29,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:29,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:29,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1330 transitions. [2023-08-30 13:06:29,892 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-08-30 13:06:29,892 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1330 transitions. [2023-08-30 13:06:29,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1330 transitions. [2023-08-30 13:06:29,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:29,894 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1330 transitions. [2023-08-30 13:06:29,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.0) internal successors, (1330), 10 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,900 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,901 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,901 INFO L175 Difference]: Start difference. First operand has 78 places, 54 transitions, 543 flow. Second operand 10 states and 1330 transitions. [2023-08-30 13:06:29,901 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 73 transitions, 827 flow [2023-08-30 13:06:29,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 73 transitions, 811 flow, removed 8 selfloop flow, removed 0 redundant places. [2023-08-30 13:06:29,906 INFO L231 Difference]: Finished difference. Result has 92 places, 61 transitions, 702 flow [2023-08-30 13:06:29,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=529, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=702, PETRI_PLACES=92, PETRI_TRANSITIONS=61} [2023-08-30 13:06:29,907 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 59 predicate places. [2023-08-30 13:06:29,907 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 61 transitions, 702 flow [2023-08-30 13:06:29,908 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:29,908 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:29,908 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:29,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-08-30 13:06:29,908 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:29,908 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:29,909 INFO L85 PathProgramCache]: Analyzing trace with hash 995966615, now seen corresponding path program 1 times [2023-08-30 13:06:29,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:29,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628232757] [2023-08-30 13:06:29,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:29,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:30,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:30,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628232757] [2023-08-30 13:06:30,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628232757] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:30,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:30,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:30,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020417504] [2023-08-30 13:06:30,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:30,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:30,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:30,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:30,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:31,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:31,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 61 transitions, 702 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:31,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:31,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:31,411 INFO L130 PetriNetUnfolder]: 80/262 cut-off events. [2023-08-30 13:06:31,411 INFO L131 PetriNetUnfolder]: For 1511/1511 co-relation queries the response was YES. [2023-08-30 13:06:31,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 262 events. 80/262 cut-off events. For 1511/1511 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1296 event pairs, 36 based on Foata normal form. 4/266 useless extension candidates. Maximal degree in co-relation 1188. Up to 145 conditions per place. [2023-08-30 13:06:31,414 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 58 selfloop transitions, 36 changer transitions 0/94 dead transitions. [2023-08-30 13:06:31,414 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 94 transitions, 1168 flow [2023-08-30 13:06:31,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:31,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-08-30 13:06:31,417 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-08-30 13:06:31,417 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-08-30 13:06:31,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-08-30 13:06:31,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:31,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-08-30 13:06:31,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,423 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,423 INFO L175 Difference]: Start difference. First operand has 92 places, 61 transitions, 702 flow. Second operand 10 states and 1336 transitions. [2023-08-30 13:06:31,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 94 transitions, 1168 flow [2023-08-30 13:06:31,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 94 transitions, 1148 flow, removed 8 selfloop flow, removed 1 redundant places. [2023-08-30 13:06:31,430 INFO L231 Difference]: Finished difference. Result has 106 places, 74 transitions, 1009 flow [2023-08-30 13:06:31,430 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=682, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1009, PETRI_PLACES=106, PETRI_TRANSITIONS=74} [2023-08-30 13:06:31,431 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 73 predicate places. [2023-08-30 13:06:31,431 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 74 transitions, 1009 flow [2023-08-30 13:06:31,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:31,431 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:31,432 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-08-30 13:06:31,432 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:31,432 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:31,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1598410417, now seen corresponding path program 2 times [2023-08-30 13:06:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:31,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302324921] [2023-08-30 13:06:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:32,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:32,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302324921] [2023-08-30 13:06:32,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302324921] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:32,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:32,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:32,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97650699] [2023-08-30 13:06:32,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:32,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:32,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:32,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:32,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:32,513 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:32,514 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 74 transitions, 1009 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,514 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:32,514 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:32,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:32,854 INFO L130 PetriNetUnfolder]: 87/299 cut-off events. [2023-08-30 13:06:32,854 INFO L131 PetriNetUnfolder]: For 2190/2190 co-relation queries the response was YES. [2023-08-30 13:06:32,856 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1754 conditions, 299 events. 87/299 cut-off events. For 2190/2190 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1629 event pairs, 29 based on Foata normal form. 4/303 useless extension candidates. Maximal degree in co-relation 1499. Up to 153 conditions per place. [2023-08-30 13:06:32,857 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 62 selfloop transitions, 51 changer transitions 0/113 dead transitions. [2023-08-30 13:06:32,857 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 113 transitions, 1576 flow [2023-08-30 13:06:32,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:32,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1606 transitions. [2023-08-30 13:06:32,860 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41563146997929606 [2023-08-30 13:06:32,860 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1606 transitions. [2023-08-30 13:06:32,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1606 transitions. [2023-08-30 13:06:32,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:32,861 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1606 transitions. [2023-08-30 13:06:32,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 133.83333333333334) internal successors, (1606), 12 states have internal predecessors, (1606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,867 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,868 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,868 INFO L175 Difference]: Start difference. First operand has 106 places, 74 transitions, 1009 flow. Second operand 12 states and 1606 transitions. [2023-08-30 13:06:32,868 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 113 transitions, 1576 flow [2023-08-30 13:06:32,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 113 transitions, 1553 flow, removed 9 selfloop flow, removed 2 redundant places. [2023-08-30 13:06:32,881 INFO L231 Difference]: Finished difference. Result has 119 places, 92 transitions, 1405 flow [2023-08-30 13:06:32,881 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=39, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1405, PETRI_PLACES=119, PETRI_TRANSITIONS=92} [2023-08-30 13:06:32,882 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 86 predicate places. [2023-08-30 13:06:32,882 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 92 transitions, 1405 flow [2023-08-30 13:06:32,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:32,882 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:32,883 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:32,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2023-08-30 13:06:32,883 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:32,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:32,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1495720830, now seen corresponding path program 4 times [2023-08-30 13:06:32,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:32,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805143514] [2023-08-30 13:06:32,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:32,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:33,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:33,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805143514] [2023-08-30 13:06:33,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805143514] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:33,689 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:33,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:33,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2415093] [2023-08-30 13:06:33,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:33,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:33,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:33,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:33,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:34,405 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:34,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 92 transitions, 1405 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:34,407 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:34,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:34,956 INFO L130 PetriNetUnfolder]: 90/324 cut-off events. [2023-08-30 13:06:34,956 INFO L131 PetriNetUnfolder]: For 3112/3112 co-relation queries the response was YES. [2023-08-30 13:06:34,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2024 conditions, 324 events. 90/324 cut-off events. For 3112/3112 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1841 event pairs, 23 based on Foata normal form. 12/336 useless extension candidates. Maximal degree in co-relation 1842. Up to 80 conditions per place. [2023-08-30 13:06:34,959 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 54 selfloop transitions, 54 changer transitions 14/122 dead transitions. [2023-08-30 13:06:34,960 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 122 transitions, 1856 flow [2023-08-30 13:06:34,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-08-30 13:06:34,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2023-08-30 13:06:34,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1995 transitions. [2023-08-30 13:06:34,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41304347826086957 [2023-08-30 13:06:34,963 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1995 transitions. [2023-08-30 13:06:34,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1995 transitions. [2023-08-30 13:06:34,964 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:34,964 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1995 transitions. [2023-08-30 13:06:34,966 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 133.0) internal successors, (1995), 15 states have internal predecessors, (1995), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,970 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,971 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 322.0) internal successors, (5152), 16 states have internal predecessors, (5152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,971 INFO L175 Difference]: Start difference. First operand has 119 places, 92 transitions, 1405 flow. Second operand 15 states and 1995 transitions. [2023-08-30 13:06:34,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 133 places, 122 transitions, 1856 flow [2023-08-30 13:06:34,984 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 122 transitions, 1768 flow, removed 19 selfloop flow, removed 4 redundant places. [2023-08-30 13:06:34,987 INFO L231 Difference]: Finished difference. Result has 134 places, 86 transitions, 1391 flow [2023-08-30 13:06:34,987 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1246, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=88, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=1391, PETRI_PLACES=134, PETRI_TRANSITIONS=86} [2023-08-30 13:06:34,987 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 101 predicate places. [2023-08-30 13:06:34,987 INFO L495 AbstractCegarLoop]: Abstraction has has 134 places, 86 transitions, 1391 flow [2023-08-30 13:06:34,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:34,988 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:34,988 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:34,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2023-08-30 13:06:34,989 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:34,989 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:34,989 INFO L85 PathProgramCache]: Analyzing trace with hash 951321150, now seen corresponding path program 5 times [2023-08-30 13:06:34,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:34,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956142072] [2023-08-30 13:06:34,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:34,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:35,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:35,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:35,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956142072] [2023-08-30 13:06:35,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956142072] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:35,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:35,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:35,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297605978] [2023-08-30 13:06:35,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:35,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:35,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:35,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:35,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:36,266 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:36,267 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 86 transitions, 1391 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,268 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:36,268 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:36,268 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:36,597 INFO L130 PetriNetUnfolder]: 74/268 cut-off events. [2023-08-30 13:06:36,597 INFO L131 PetriNetUnfolder]: For 3044/3044 co-relation queries the response was YES. [2023-08-30 13:06:36,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 268 events. 74/268 cut-off events. For 3044/3044 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1427 event pairs, 18 based on Foata normal form. 8/276 useless extension candidates. Maximal degree in co-relation 1752. Up to 85 conditions per place. [2023-08-30 13:06:36,600 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 45 selfloop transitions, 52 changer transitions 0/97 dead transitions. [2023-08-30 13:06:36,600 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 97 transitions, 1602 flow [2023-08-30 13:06:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:36,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1336 transitions. [2023-08-30 13:06:36,602 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41490683229813663 [2023-08-30 13:06:36,602 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1336 transitions. [2023-08-30 13:06:36,602 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1336 transitions. [2023-08-30 13:06:36,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:36,603 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1336 transitions. [2023-08-30 13:06:36,604 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.6) internal successors, (1336), 10 states have internal predecessors, (1336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,607 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,607 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,607 INFO L175 Difference]: Start difference. First operand has 134 places, 86 transitions, 1391 flow. Second operand 10 states and 1336 transitions. [2023-08-30 13:06:36,608 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 139 places, 97 transitions, 1602 flow [2023-08-30 13:06:36,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 97 transitions, 1398 flow, removed 36 selfloop flow, removed 16 redundant places. [2023-08-30 13:06:36,622 INFO L231 Difference]: Finished difference. Result has 124 places, 84 transitions, 1270 flow [2023-08-30 13:06:36,622 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1160, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=52, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1270, PETRI_PLACES=124, PETRI_TRANSITIONS=84} [2023-08-30 13:06:36,622 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 91 predicate places. [2023-08-30 13:06:36,623 INFO L495 AbstractCegarLoop]: Abstraction has has 124 places, 84 transitions, 1270 flow [2023-08-30 13:06:36,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:36,623 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:36,623 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:36,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2023-08-30 13:06:36,624 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:36,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash -316975433, now seen corresponding path program 3 times [2023-08-30 13:06:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811932454] [2023-08-30 13:06:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:37,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:37,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:37,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811932454] [2023-08-30 13:06:37,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811932454] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:37,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:37,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 13:06:37,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380023632] [2023-08-30 13:06:37,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:37,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 13:06:37,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:37,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 13:06:37,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-08-30 13:06:37,519 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-08-30 13:06:37,519 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 84 transitions, 1270 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,519 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:37,519 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-08-30 13:06:37,520 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:37,786 INFO L130 PetriNetUnfolder]: 58/254 cut-off events. [2023-08-30 13:06:37,786 INFO L131 PetriNetUnfolder]: For 2520/2521 co-relation queries the response was YES. [2023-08-30 13:06:37,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1695 conditions, 254 events. 58/254 cut-off events. For 2520/2521 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1469 event pairs, 17 based on Foata normal form. 5/259 useless extension candidates. Maximal degree in co-relation 1486. Up to 110 conditions per place. [2023-08-30 13:06:37,788 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 51 changer transitions 10/102 dead transitions. [2023-08-30 13:06:37,788 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 102 transitions, 1592 flow [2023-08-30 13:06:37,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-08-30 13:06:37,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2023-08-30 13:06:37,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1803 transitions. [2023-08-30 13:06:37,791 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4307214524605829 [2023-08-30 13:06:37,791 INFO L72 ComplementDD]: Start complementDD. Operand 13 states and 1803 transitions. [2023-08-30 13:06:37,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 1803 transitions. [2023-08-30 13:06:37,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:37,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 13 states and 1803 transitions. [2023-08-30 13:06:37,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 14 states, 13 states have (on average 138.69230769230768) internal successors, (1803), 13 states have internal predecessors, (1803), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,797 INFO L81 ComplementDD]: Finished complementDD. Result has 14 states, 14 states have (on average 322.0) internal successors, (4508), 14 states have internal predecessors, (4508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,797 INFO L175 Difference]: Start difference. First operand has 124 places, 84 transitions, 1270 flow. Second operand 13 states and 1803 transitions. [2023-08-30 13:06:37,797 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 136 places, 102 transitions, 1592 flow [2023-08-30 13:06:37,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 102 transitions, 1488 flow, removed 5 selfloop flow, removed 7 redundant places. [2023-08-30 13:06:37,809 INFO L231 Difference]: Finished difference. Result has 131 places, 83 transitions, 1277 flow [2023-08-30 13:06:37,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1175, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=51, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1277, PETRI_PLACES=131, PETRI_TRANSITIONS=83} [2023-08-30 13:06:37,809 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 98 predicate places. [2023-08-30 13:06:37,810 INFO L495 AbstractCegarLoop]: Abstraction has has 131 places, 83 transitions, 1277 flow [2023-08-30 13:06:37,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:37,810 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:37,810 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:37,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2023-08-30 13:06:37,810 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:37,810 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:37,811 INFO L85 PathProgramCache]: Analyzing trace with hash 741014357, now seen corresponding path program 4 times [2023-08-30 13:06:37,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:37,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646530229] [2023-08-30 13:06:37,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:37,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:37,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:38,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:38,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:38,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646530229] [2023-08-30 13:06:38,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646530229] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:38,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:38,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:38,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256262062] [2023-08-30 13:06:38,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:38,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:38,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:38,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:38,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:39,059 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 13:06:39,060 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 131 places, 83 transitions, 1277 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,060 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:39,060 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 13:06:39,060 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:39,345 INFO L130 PetriNetUnfolder]: 71/271 cut-off events. [2023-08-30 13:06:39,345 INFO L131 PetriNetUnfolder]: For 2447/2447 co-relation queries the response was YES. [2023-08-30 13:06:39,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1708 conditions, 271 events. 71/271 cut-off events. For 2447/2447 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1490 event pairs, 23 based on Foata normal form. 12/283 useless extension candidates. Maximal degree in co-relation 1615. Up to 97 conditions per place. [2023-08-30 13:06:39,347 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 40 selfloop transitions, 45 changer transitions 12/97 dead transitions. [2023-08-30 13:06:39,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 97 transitions, 1555 flow [2023-08-30 13:06:39,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:39,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:39,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1321 transitions. [2023-08-30 13:06:39,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41024844720496895 [2023-08-30 13:06:39,350 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1321 transitions. [2023-08-30 13:06:39,350 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1321 transitions. [2023-08-30 13:06:39,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:39,350 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1321 transitions. [2023-08-30 13:06:39,352 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.1) internal successors, (1321), 10 states have internal predecessors, (1321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,354 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,354 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,354 INFO L175 Difference]: Start difference. First operand has 131 places, 83 transitions, 1277 flow. Second operand 10 states and 1321 transitions. [2023-08-30 13:06:39,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 97 transitions, 1555 flow [2023-08-30 13:06:39,364 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 97 transitions, 1462 flow, removed 6 selfloop flow, removed 11 redundant places. [2023-08-30 13:06:39,366 INFO L231 Difference]: Finished difference. Result has 130 places, 75 transitions, 1175 flow [2023-08-30 13:06:39,367 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1171, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=82, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1175, PETRI_PLACES=130, PETRI_TRANSITIONS=75} [2023-08-30 13:06:39,367 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 97 predicate places. [2023-08-30 13:06:39,367 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 75 transitions, 1175 flow [2023-08-30 13:06:39,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:39,368 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:39,368 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:39,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2023-08-30 13:06:39,368 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:39,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:39,369 INFO L85 PathProgramCache]: Analyzing trace with hash -1824687753, now seen corresponding path program 5 times [2023-08-30 13:06:39,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:39,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468850598] [2023-08-30 13:06:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:39,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:39,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:39,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468850598] [2023-08-30 13:06:39,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468850598] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:39,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:39,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:39,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901287482] [2023-08-30 13:06:39,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:39,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:39,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:39,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:39,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:40,435 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:40,436 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 75 transitions, 1175 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,436 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:40,436 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:40,436 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:40,686 INFO L130 PetriNetUnfolder]: 57/229 cut-off events. [2023-08-30 13:06:40,686 INFO L131 PetriNetUnfolder]: For 2260/2260 co-relation queries the response was YES. [2023-08-30 13:06:40,687 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 229 events. 57/229 cut-off events. For 2260/2260 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1195 event pairs, 30 based on Foata normal form. 4/233 useless extension candidates. Maximal degree in co-relation 1316. Up to 152 conditions per place. [2023-08-30 13:06:40,688 INFO L137 encePairwiseOnDemand]: 311/322 looper letters, 53 selfloop transitions, 18 changer transitions 18/89 dead transitions. [2023-08-30 13:06:40,689 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 134 places, 89 transitions, 1413 flow [2023-08-30 13:06:40,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1333 transitions. [2023-08-30 13:06:40,691 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4139751552795031 [2023-08-30 13:06:40,691 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1333 transitions. [2023-08-30 13:06:40,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1333 transitions. [2023-08-30 13:06:40,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:40,691 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1333 transitions. [2023-08-30 13:06:40,693 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 133.3) internal successors, (1333), 10 states have internal predecessors, (1333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,695 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,695 INFO L175 Difference]: Start difference. First operand has 130 places, 75 transitions, 1175 flow. Second operand 10 states and 1333 transitions. [2023-08-30 13:06:40,695 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 134 places, 89 transitions, 1413 flow [2023-08-30 13:06:40,703 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 89 transitions, 1303 flow, removed 1 selfloop flow, removed 11 redundant places. [2023-08-30 13:06:40,705 INFO L231 Difference]: Finished difference. Result has 126 places, 66 transitions, 957 flow [2023-08-30 13:06:40,705 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=1065, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=957, PETRI_PLACES=126, PETRI_TRANSITIONS=66} [2023-08-30 13:06:40,705 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 93 predicate places. [2023-08-30 13:06:40,705 INFO L495 AbstractCegarLoop]: Abstraction has has 126 places, 66 transitions, 957 flow [2023-08-30 13:06:40,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:40,706 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:40,706 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:40,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2023-08-30 13:06:40,706 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:40,706 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:40,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1686500549, now seen corresponding path program 6 times [2023-08-30 13:06:40,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:40,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328824301] [2023-08-30 13:06:40,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:40,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:41,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:41,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:41,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328824301] [2023-08-30 13:06:41,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328824301] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:41,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:41,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:41,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974548693] [2023-08-30 13:06:41,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:41,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:41,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:41,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:41,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:42,085 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 13:06:42,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 66 transitions, 957 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:42,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 13:06:42,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:42,419 INFO L130 PetriNetUnfolder]: 47/192 cut-off events. [2023-08-30 13:06:42,419 INFO L131 PetriNetUnfolder]: For 1666/1666 co-relation queries the response was YES. [2023-08-30 13:06:42,420 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1233 conditions, 192 events. 47/192 cut-off events. For 1666/1666 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 931 event pairs, 27 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 1178. Up to 84 conditions per place. [2023-08-30 13:06:42,421 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 31 selfloop transitions, 32 changer transitions 16/79 dead transitions. [2023-08-30 13:06:42,421 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 131 places, 79 transitions, 1179 flow [2023-08-30 13:06:42,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:42,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:42,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1320 transitions. [2023-08-30 13:06:42,426 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40993788819875776 [2023-08-30 13:06:42,426 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1320 transitions. [2023-08-30 13:06:42,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1320 transitions. [2023-08-30 13:06:42,427 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:42,427 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1320 transitions. [2023-08-30 13:06:42,429 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.0) internal successors, (1320), 10 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,431 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,431 INFO L175 Difference]: Start difference. First operand has 126 places, 66 transitions, 957 flow. Second operand 10 states and 1320 transitions. [2023-08-30 13:06:42,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 131 places, 79 transitions, 1179 flow [2023-08-30 13:06:42,437 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 79 transitions, 1069 flow, removed 8 selfloop flow, removed 15 redundant places. [2023-08-30 13:06:42,439 INFO L231 Difference]: Finished difference. Result has 116 places, 59 transitions, 827 flow [2023-08-30 13:06:42,439 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=830, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=827, PETRI_PLACES=116, PETRI_TRANSITIONS=59} [2023-08-30 13:06:42,439 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 83 predicate places. [2023-08-30 13:06:42,439 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 59 transitions, 827 flow [2023-08-30 13:06:42,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:42,440 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:42,440 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:42,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2023-08-30 13:06:42,440 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:42,441 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:42,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1152105749, now seen corresponding path program 7 times [2023-08-30 13:06:42,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:42,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299952660] [2023-08-30 13:06:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:42,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:42,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:42,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:42,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299952660] [2023-08-30 13:06:42,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299952660] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:42,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:42,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-08-30 13:06:42,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651490811] [2023-08-30 13:06:42,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:42,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-08-30 13:06:42,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:42,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-08-30 13:06:42,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-08-30 13:06:43,310 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 322 [2023-08-30 13:06:43,311 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 59 transitions, 827 flow. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,311 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:43,311 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 322 [2023-08-30 13:06:43,311 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:43,506 INFO L130 PetriNetUnfolder]: 25/136 cut-off events. [2023-08-30 13:06:43,506 INFO L131 PetriNetUnfolder]: For 1382/1385 co-relation queries the response was YES. [2023-08-30 13:06:43,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 136 events. 25/136 cut-off events. For 1382/1385 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 615 event pairs, 8 based on Foata normal form. 10/146 useless extension candidates. Maximal degree in co-relation 781. Up to 42 conditions per place. [2023-08-30 13:06:43,507 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 34 selfloop transitions, 9 changer transitions 27/71 dead transitions. [2023-08-30 13:06:43,507 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 71 transitions, 1033 flow [2023-08-30 13:06:43,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 13:06:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 13:06:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1253 transitions. [2023-08-30 13:06:43,510 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4323671497584541 [2023-08-30 13:06:43,510 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1253 transitions. [2023-08-30 13:06:43,510 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1253 transitions. [2023-08-30 13:06:43,510 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:43,510 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1253 transitions. [2023-08-30 13:06:43,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 139.22222222222223) internal successors, (1253), 9 states have internal predecessors, (1253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,514 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,515 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,515 INFO L175 Difference]: Start difference. First operand has 116 places, 59 transitions, 827 flow. Second operand 9 states and 1253 transitions. [2023-08-30 13:06:43,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 71 transitions, 1033 flow [2023-08-30 13:06:43,519 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 71 transitions, 937 flow, removed 0 selfloop flow, removed 12 redundant places. [2023-08-30 13:06:43,521 INFO L231 Difference]: Finished difference. Result has 109 places, 38 transitions, 484 flow [2023-08-30 13:06:43,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=708, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=484, PETRI_PLACES=109, PETRI_TRANSITIONS=38} [2023-08-30 13:06:43,521 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 76 predicate places. [2023-08-30 13:06:43,521 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 38 transitions, 484 flow [2023-08-30 13:06:43,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:43,522 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:43,522 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:43,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2023-08-30 13:06:43,522 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:43,523 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:43,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1727151721, now seen corresponding path program 8 times [2023-08-30 13:06:43,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:43,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20814594] [2023-08-30 13:06:43,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:43,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:44,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:44,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20814594] [2023-08-30 13:06:44,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20814594] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:44,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:44,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-08-30 13:06:44,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026569043] [2023-08-30 13:06:44,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:44,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-08-30 13:06:44,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:44,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-08-30 13:06:44,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-08-30 13:06:44,414 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:44,415 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 38 transitions, 484 flow. Second operand has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,415 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:44,415 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:44,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:44,616 INFO L130 PetriNetUnfolder]: 22/93 cut-off events. [2023-08-30 13:06:44,616 INFO L131 PetriNetUnfolder]: For 694/694 co-relation queries the response was YES. [2023-08-30 13:06:44,616 INFO L83 FinitePrefix]: Finished finitePrefix Result has 583 conditions, 93 events. 22/93 cut-off events. For 694/694 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 314 event pairs, 9 based on Foata normal form. 4/97 useless extension candidates. Maximal degree in co-relation 539. Up to 41 conditions per place. [2023-08-30 13:06:44,617 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 23 selfloop transitions, 7 changer transitions 17/47 dead transitions. [2023-08-30 13:06:44,617 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 47 transitions, 602 flow [2023-08-30 13:06:44,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-08-30 13:06:44,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-08-30 13:06:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1325 transitions. [2023-08-30 13:06:44,619 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4114906832298137 [2023-08-30 13:06:44,619 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1325 transitions. [2023-08-30 13:06:44,619 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1325 transitions. [2023-08-30 13:06:44,619 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:44,619 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1325 transitions. [2023-08-30 13:06:44,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 132.5) internal successors, (1325), 10 states have internal predecessors, (1325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,623 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,623 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 322.0) internal successors, (3542), 11 states have internal predecessors, (3542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,623 INFO L175 Difference]: Start difference. First operand has 109 places, 38 transitions, 484 flow. Second operand 10 states and 1325 transitions. [2023-08-30 13:06:44,623 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 47 transitions, 602 flow [2023-08-30 13:06:44,625 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 47 transitions, 499 flow, removed 15 selfloop flow, removed 24 redundant places. [2023-08-30 13:06:44,626 INFO L231 Difference]: Finished difference. Result has 81 places, 26 transitions, 273 flow [2023-08-30 13:06:44,626 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=273, PETRI_PLACES=81, PETRI_TRANSITIONS=26} [2023-08-30 13:06:44,626 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 48 predicate places. [2023-08-30 13:06:44,627 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 26 transitions, 273 flow [2023-08-30 13:06:44,627 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 130.25) internal successors, (1563), 12 states have internal predecessors, (1563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:44,627 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:44,627 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:44,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2023-08-30 13:06:44,627 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:44,627 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:44,627 INFO L85 PathProgramCache]: Analyzing trace with hash 429101072, now seen corresponding path program 6 times [2023-08-30 13:06:44,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:44,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583128957] [2023-08-30 13:06:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:44,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:45,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:45,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583128957] [2023-08-30 13:06:45,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583128957] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:45,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:45,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:45,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879790767] [2023-08-30 13:06:45,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:45,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:45,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:45,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:45,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:46,172 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:46,173 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 26 transitions, 273 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,173 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:46,173 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:46,173 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:46,516 INFO L130 PetriNetUnfolder]: 15/61 cut-off events. [2023-08-30 13:06:46,516 INFO L131 PetriNetUnfolder]: For 326/326 co-relation queries the response was YES. [2023-08-30 13:06:46,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 330 conditions, 61 events. 15/61 cut-off events. For 326/326 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 153 event pairs, 8 based on Foata normal form. 4/65 useless extension candidates. Maximal degree in co-relation 301. Up to 21 conditions per place. [2023-08-30 13:06:46,516 INFO L137 encePairwiseOnDemand]: 313/322 looper letters, 20 selfloop transitions, 12 changer transitions 0/32 dead transitions. [2023-08-30 13:06:46,517 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 32 transitions, 328 flow [2023-08-30 13:06:46,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-08-30 13:06:46,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-08-30 13:06:46,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1448 transitions. [2023-08-30 13:06:46,520 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4088085827216262 [2023-08-30 13:06:46,520 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1448 transitions. [2023-08-30 13:06:46,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1448 transitions. [2023-08-30 13:06:46,521 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:46,521 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1448 transitions. [2023-08-30 13:06:46,523 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 131.63636363636363) internal successors, (1448), 11 states have internal predecessors, (1448), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,525 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 322.0) internal successors, (3864), 12 states have internal predecessors, (3864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,526 INFO L175 Difference]: Start difference. First operand has 81 places, 26 transitions, 273 flow. Second operand 11 states and 1448 transitions. [2023-08-30 13:06:46,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 32 transitions, 328 flow [2023-08-30 13:06:46,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 32 transitions, 257 flow, removed 14 selfloop flow, removed 15 redundant places. [2023-08-30 13:06:46,528 INFO L231 Difference]: Finished difference. Result has 63 places, 25 transitions, 194 flow [2023-08-30 13:06:46,529 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=194, PETRI_PLACES=63, PETRI_TRANSITIONS=25} [2023-08-30 13:06:46,533 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 30 predicate places. [2023-08-30 13:06:46,533 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 25 transitions, 194 flow [2023-08-30 13:06:46,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:46,534 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:46,534 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:46,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2023-08-30 13:06:46,535 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:46,535 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:46,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1539055883, now seen corresponding path program 9 times [2023-08-30 13:06:46,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:46,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783161292] [2023-08-30 13:06:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:46,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:46,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:47,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:47,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:47,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783161292] [2023-08-30 13:06:47,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783161292] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:47,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:47,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:47,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972128445] [2023-08-30 13:06:47,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:47,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:47,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:47,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:47,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:47,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 322 [2023-08-30 13:06:47,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 25 transitions, 194 flow. Second operand has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:47,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:47,777 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 322 [2023-08-30 13:06:47,777 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:48,144 INFO L130 PetriNetUnfolder]: 13/55 cut-off events. [2023-08-30 13:06:48,144 INFO L131 PetriNetUnfolder]: For 109/109 co-relation queries the response was YES. [2023-08-30 13:06:48,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 250 conditions, 55 events. 13/55 cut-off events. For 109/109 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 125 event pairs, 4 based on Foata normal form. 4/59 useless extension candidates. Maximal degree in co-relation 188. Up to 15 conditions per place. [2023-08-30 13:06:48,145 INFO L137 encePairwiseOnDemand]: 312/322 looper letters, 10 selfloop transitions, 11 changer transitions 11/32 dead transitions. [2023-08-30 13:06:48,145 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 32 transitions, 271 flow [2023-08-30 13:06:48,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:06:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:06:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1565 transitions. [2023-08-30 13:06:48,147 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4050207039337474 [2023-08-30 13:06:48,147 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1565 transitions. [2023-08-30 13:06:48,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1565 transitions. [2023-08-30 13:06:48,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:48,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1565 transitions. [2023-08-30 13:06:48,150 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 130.41666666666666) internal successors, (1565), 12 states have internal predecessors, (1565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:48,152 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:48,152 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 322.0) internal successors, (4186), 13 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:48,152 INFO L175 Difference]: Start difference. First operand has 63 places, 25 transitions, 194 flow. Second operand 12 states and 1565 transitions. [2023-08-30 13:06:48,153 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 32 transitions, 271 flow [2023-08-30 13:06:48,153 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 32 transitions, 235 flow, removed 3 selfloop flow, removed 10 redundant places. [2023-08-30 13:06:48,154 INFO L231 Difference]: Finished difference. Result has 56 places, 18 transitions, 126 flow [2023-08-30 13:06:48,154 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=126, PETRI_PLACES=56, PETRI_TRANSITIONS=18} [2023-08-30 13:06:48,155 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 23 predicate places. [2023-08-30 13:06:48,155 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 18 transitions, 126 flow [2023-08-30 13:06:48,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 129.15384615384616) internal successors, (1679), 13 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:48,155 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:06:48,155 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:48,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2023-08-30 13:06:48,156 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2023-08-30 13:06:48,156 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:06:48,156 INFO L85 PathProgramCache]: Analyzing trace with hash -218077558, now seen corresponding path program 7 times [2023-08-30 13:06:48,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:06:48,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324819230] [2023-08-30 13:06:48,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:06:48,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:06:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:06:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:06:48,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:06:48,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324819230] [2023-08-30 13:06:48,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324819230] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:06:48,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:06:48,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-08-30 13:06:48,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314964734] [2023-08-30 13:06:48,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:06:48,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-08-30 13:06:48,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:06:48,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-08-30 13:06:48,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2023-08-30 13:06:49,581 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 322 [2023-08-30 13:06:49,581 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 18 transitions, 126 flow. Second operand has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,582 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:06:49,582 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 322 [2023-08-30 13:06:49,582 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:06:49,789 INFO L130 PetriNetUnfolder]: 5/28 cut-off events. [2023-08-30 13:06:49,789 INFO L131 PetriNetUnfolder]: For 63/63 co-relation queries the response was YES. [2023-08-30 13:06:49,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 28 events. 5/28 cut-off events. For 63/63 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 24 event pairs, 3 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 86. Up to 13 conditions per place. [2023-08-30 13:06:49,789 INFO L137 encePairwiseOnDemand]: 314/322 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2023-08-30 13:06:49,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 17 transitions, 125 flow [2023-08-30 13:06:49,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-08-30 13:06:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2023-08-30 13:06:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1178 transitions. [2023-08-30 13:06:49,792 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4064872325741891 [2023-08-30 13:06:49,792 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1178 transitions. [2023-08-30 13:06:49,792 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1178 transitions. [2023-08-30 13:06:49,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:06:49,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1178 transitions. [2023-08-30 13:06:49,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 130.88888888888889) internal successors, (1178), 9 states have internal predecessors, (1178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,795 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,796 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 322.0) internal successors, (3220), 10 states have internal predecessors, (3220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,796 INFO L175 Difference]: Start difference. First operand has 56 places, 18 transitions, 126 flow. Second operand 9 states and 1178 transitions. [2023-08-30 13:06:49,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 17 transitions, 125 flow [2023-08-30 13:06:49,796 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 17 transitions, 88 flow, removed 0 selfloop flow, removed 17 redundant places. [2023-08-30 13:06:49,797 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow [2023-08-30 13:06:49,797 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=322, PETRI_DIFFERENCE_MINUEND_FLOW=50, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=16, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0} [2023-08-30 13:06:49,797 INFO L281 CegarLoopForPetriNet]: 33 programPoint places, 0 predicate places. [2023-08-30 13:06:49,797 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow [2023-08-30 13:06:49,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 130.15384615384616) internal successors, (1692), 13 states have internal predecessors, (1692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:06:49,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2023-08-30 13:06:49,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 8 remaining) [2023-08-30 13:06:49,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2023-08-30 13:06:49,800 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2023-08-30 13:06:49,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2023-08-30 13:06:49,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2023-08-30 13:06:49,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2023-08-30 13:06:49,801 INFO L805 garLoopResultBuilder]: Registering result SAFE for location my_callbackErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2023-08-30 13:06:49,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2023-08-30 13:06:49,801 INFO L445 BasicCegarLoop]: Path program histogram: [9, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-08-30 13:06:49,806 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:06:49,806 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:06:49,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:06:49 BasicIcfg [2023-08-30 13:06:49,808 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:06:49,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:06:49,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:06:49,809 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:06:49,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:06:04" (3/4) ... [2023-08-30 13:06:49,812 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:06:49,817 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_callback [2023-08-30 13:06:49,822 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 13:06:49,822 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-08-30 13:06:49,822 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-08-30 13:06:49,822 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:06:49,856 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:06:49,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:06:49,856 INFO L158 Benchmark]: Toolchain (without parser) took 47136.66ms. Allocated memory was 98.6MB in the beginning and 385.9MB in the end (delta: 287.3MB). Free memory was 73.9MB in the beginning and 164.3MB in the end (delta: -90.5MB). Peak memory consumption was 199.4MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,857 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:06:49,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 842.89ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 69.2MB in the end (delta: 4.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.83ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,857 INFO L158 Benchmark]: Boogie Preprocessor took 35.02ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,858 INFO L158 Benchmark]: RCFGBuilder took 571.55ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 66.1MB in the end (delta: -2.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,858 INFO L158 Benchmark]: TraceAbstraction took 45583.81ms. Allocated memory was 98.6MB in the beginning and 385.9MB in the end (delta: 287.3MB). Free memory was 65.5MB in the beginning and 168.5MB in the end (delta: -103.0MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,858 INFO L158 Benchmark]: Witness Printer took 47.17ms. Allocated memory is still 385.9MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 13:06:49,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 73.4MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 842.89ms. Allocated memory is still 98.6MB. Free memory was 73.6MB in the beginning and 69.2MB in the end (delta: 4.3MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.83ms. Allocated memory is still 98.6MB. Free memory was 69.2MB in the beginning and 66.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.02ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 63.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.55ms. Allocated memory is still 98.6MB. Free memory was 63.4MB in the beginning and 66.1MB in the end (delta: -2.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 45583.81ms. Allocated memory was 98.6MB in the beginning and 385.9MB in the end (delta: 287.3MB). Free memory was 65.5MB in the beginning and 168.5MB in the end (delta: -103.0MB). Peak memory consumption was 185.4MB. Max. memory is 16.1GB. * Witness Printer took 47.17ms. Allocated memory is still 385.9MB. Free memory was 167.5MB in the beginning and 164.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 149 PlacesBefore, 33 PlacesAfterwards, 146 TransitionsBefore, 27 TransitionsAfterwards, 3740 CoEnabledTransitionPairs, 7 FixpointIterations, 58 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 146 TotalNumberOfCompositions, 7925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3587, independent: 3334, independent conditional: 0, independent unconditional: 3334, dependent: 253, dependent conditional: 0, dependent unconditional: 253, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2081, independent: 2017, independent conditional: 0, independent unconditional: 2017, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3587, independent: 1317, independent conditional: 0, independent unconditional: 1317, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 2081, unknown conditional: 0, unknown unconditional: 2081] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1712]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 4 procedures, 188 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 45.4s, OverallIterations: 30, TraceHistogramMax: 1, PathProgramHistogramMax: 9, EmptinessCheckTime: 0.0s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9506 SdHoareTripleChecker+Valid, 15.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7724 mSDsluCounter, 6904 SdHoareTripleChecker+Invalid, 13.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6669 mSDsCounter, 690 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 27484 IncrementalHoareTripleChecker+Invalid, 28174 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 690 mSolverCounterUnsat, 235 mSDtfsCounter, 27484 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 360 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 741 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1405occurred in iteration=19, InterpolantAutomatonStates: 268, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 15.7s InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 338 ConstructedInterpolants, 0 QuantifiedInterpolants, 6366 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 13:06:49,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE