./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --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/weaver/chl-poker-hand-subst.wvr.c -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 088f6c2624c9ef470b1e5d5938ff0e2c2948b61c2ac98da6e426747245a7aaad --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-09-01 07:35:48,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-09-01 07:35:48,632 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-09-01 07:35:48,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-09-01 07:35:48,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-09-01 07:35:48,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-09-01 07:35:48,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-09-01 07:35:48,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-09-01 07:35:48,676 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-09-01 07:35:48,677 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-09-01 07:35:48,678 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-09-01 07:35:48,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-09-01 07:35:48,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-09-01 07:35:48,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-09-01 07:35:48,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-09-01 07:35:48,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-09-01 07:35:48,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-09-01 07:35:48,689 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-09-01 07:35:48,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-09-01 07:35:48,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-09-01 07:35:48,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-09-01 07:35:48,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-09-01 07:35:48,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-09-01 07:35:48,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-09-01 07:35:48,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-09-01 07:35:48,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-09-01 07:35:48,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-09-01 07:35:48,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-09-01 07:35:48,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-09-01 07:35:48,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-09-01 07:35:48,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-09-01 07:35:48,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-09-01 07:35:48,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-09-01 07:35:48,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-09-01 07:35:48,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-09-01 07:35:48,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-09-01 07:35:48,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-09-01 07:35:48,734 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-09-01 07:35:48,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-09-01 07:35:48,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-09-01 07:35:48,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-09-01 07:35:48,738 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-09-01 07:35:48,773 INFO L113 SettingsManager]: Loading preferences was successful [2023-09-01 07:35:48,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-01 07:35:48,775 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-01 07:35:48,775 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-01 07:35:48,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-01 07:35:48,776 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-01 07:35:48,777 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-01 07:35:48,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-09-01 07:35:48,777 INFO L138 SettingsManager]: * Use SBE=true [2023-09-01 07:35:48,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-01 07:35:48,778 INFO L138 SettingsManager]: * sizeof long=4 [2023-09-01 07:35:48,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-09-01 07:35:48,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-01 07:35:48,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-09-01 07:35:48,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-09-01 07:35:48,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-01 07:35:48,779 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-01 07:35:48,779 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-01 07:35:48,780 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-09-01 07:35:48,780 INFO L138 SettingsManager]: * sizeof long double=12 [2023-09-01 07:35:48,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-09-01 07:35:48,780 INFO L138 SettingsManager]: * Use constant arrays=true [2023-09-01 07:35:48,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-01 07:35:48,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-01 07:35:48,781 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-01 07:35:48,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-01 07:35:48,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:35:48,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-01 07:35:48,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-01 07:35:48,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-01 07:35:48,782 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-01 07:35:48,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-01 07:35:48,783 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-09-01 07:35:48,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-01 07:35:48,783 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-09-01 07:35:48,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-09-01 07:35:48,783 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-09-01 07:35:48,783 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 088f6c2624c9ef470b1e5d5938ff0e2c2948b61c2ac98da6e426747245a7aaad Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-09-01 07:35:49,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-01 07:35:49,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-01 07:35:49,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-01 07:35:49,087 INFO L271 PluginConnector]: Initializing CDTParser... [2023-09-01 07:35:49,088 INFO L275 PluginConnector]: CDTParser initialized [2023-09-01 07:35:49,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-09-01 07:35:50,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-09-01 07:35:50,517 INFO L351 CDTParser]: Found 1 translation units. [2023-09-01 07:35:50,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c [2023-09-01 07:35:50,527 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f160993a0/a5d136b1579147bf98dd81c77f2e78fc/FLAG44ab7f2e3 [2023-09-01 07:35:50,843 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f160993a0/a5d136b1579147bf98dd81c77f2e78fc [2023-09-01 07:35:50,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-01 07:35:50,846 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-09-01 07:35:50,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-01 07:35:50,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-01 07:35:50,850 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-01 07:35:50,851 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:35:50" (1/1) ... [2023-09-01 07:35:50,852 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a54127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:50, skipping insertion in model container [2023-09-01 07:35:50,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.09 07:35:50" (1/1) ... [2023-09-01 07:35:50,858 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-09-01 07:35:50,906 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-09-01 07:35:51,237 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-09-01 07:35:51,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:35:51,260 INFO L203 MainTranslator]: Completed pre-run [2023-09-01 07:35:51,328 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-poker-hand-subst.wvr.c[19262,19275] [2023-09-01 07:35:51,343 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-01 07:35:51,354 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:35:51,357 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-01 07:35:51,364 INFO L208 MainTranslator]: Completed translation [2023-09-01 07:35:51,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51 WrapperNode [2023-09-01 07:35:51,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-01 07:35:51,366 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-01 07:35:51,366 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-01 07:35:51,367 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-01 07:35:51,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,411 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,509 INFO L138 Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2563 [2023-09-01 07:35:51,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-01 07:35:51,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-01 07:35:51,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-01 07:35:51,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-09-01 07:35:51,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,534 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,535 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,658 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,664 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-01 07:35:51,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-01 07:35:51,700 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-09-01 07:35:51,700 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-09-01 07:35:51,701 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (1/1) ... [2023-09-01 07:35:51,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-01 07:35:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:35:51,730 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) [2023-09-01 07:35:51,733 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 [2023-09-01 07:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-01 07:35:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-01 07:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-01 07:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-01 07:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-01 07:35:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-01 07:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-01 07:35:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-01 07:35:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-01 07:35:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-01 07:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-01 07:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-01 07:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-01 07:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-01 07:35:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-01 07:35:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-01 07:35:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-01 07:35:51,773 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-01 07:35:52,055 INFO L236 CfgBuilder]: Building ICFG [2023-09-01 07:35:52,058 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-01 07:35:53,892 INFO L277 CfgBuilder]: Performing block encoding [2023-09-01 07:35:57,561 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-01 07:35:57,562 INFO L302 CfgBuilder]: Removed 18 assume(true) statements. [2023-09-01 07:35:57,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:35:57 BoogieIcfgContainer [2023-09-01 07:35:57,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-01 07:35:57,567 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-01 07:35:57,567 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-09-01 07:35:57,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-09-01 07:35:57,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.09 07:35:50" (1/3) ... [2023-09-01 07:35:57,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e133543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:35:57, skipping insertion in model container [2023-09-01 07:35:57,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.09 07:35:51" (2/3) ... [2023-09-01 07:35:57,572 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e133543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.09 07:35:57, skipping insertion in model container [2023-09-01 07:35:57,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.09 07:35:57" (3/3) ... [2023-09-01 07:35:57,574 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-subst.wvr.c [2023-09-01 07:35:57,583 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-01 07:35:57,592 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-01 07:35:57,592 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 102 error locations. [2023-09-01 07:35:57,592 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-01 07:35:58,649 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-01 07:35:58,698 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 781 places, 850 transitions, 1724 flow [2023-09-01 07:35:59,169 INFO L130 PetriNetUnfolder]: 79/847 cut-off events. [2023-09-01 07:35:59,170 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2023-09-01 07:35:59,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 847 events. 79/847 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1700 event pairs, 0 based on Foata normal form. 0/666 useless extension candidates. Maximal degree in co-relation 742. Up to 7 conditions per place. [2023-09-01 07:35:59,180 INFO L82 GeneralOperation]: Start removeDead. Operand has 781 places, 850 transitions, 1724 flow [2023-09-01 07:35:59,193 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 761 places, 829 transitions, 1673 flow [2023-09-01 07:35:59,197 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-09-01 07:35:59,205 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 761 places, 829 transitions, 1673 flow [2023-09-01 07:35:59,207 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 761 places, 829 transitions, 1673 flow [2023-09-01 07:35:59,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 761 places, 829 transitions, 1673 flow [2023-09-01 07:35:59,416 INFO L130 PetriNetUnfolder]: 78/829 cut-off events. [2023-09-01 07:35:59,417 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-09-01 07:35:59,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 841 conditions, 829 events. 78/829 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1694 event pairs, 0 based on Foata normal form. 0/649 useless extension candidates. Maximal degree in co-relation 742. Up to 7 conditions per place. [2023-09-01 07:35:59,443 INFO L119 LiptonReduction]: Number of co-enabled transitions 45198 [2023-09-01 07:38:47,254 INFO L134 LiptonReduction]: Checked pairs total: 51968 [2023-09-01 07:38:47,254 INFO L136 LiptonReduction]: Total number of compositions: 1022 [2023-09-01 07:38:47,267 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-01 07:38:47,273 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;@39f19089, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-09-01 07:38:47,273 INFO L358 AbstractCegarLoop]: Starting to check reachability of 183 error locations. [2023-09-01 07:38:47,276 INFO L130 PetriNetUnfolder]: 1/2 cut-off events. [2023-09-01 07:38:47,276 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-09-01 07:38:47,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:38:47,277 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1] [2023-09-01 07:38:47,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-09-01 07:38:47,282 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:38:47,282 INFO L85 PathProgramCache]: Analyzing trace with hash 297138, now seen corresponding path program 1 times [2023-09-01 07:38:47,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:38:47,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446370143] [2023-09-01 07:38:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:38:47,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:38:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:38:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:38:47,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:38:47,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446370143] [2023-09-01 07:38:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446370143] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:38:47,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:38:47,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-09-01 07:38:47,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428617933] [2023-09-01 07:38:47,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:38:47,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:38:47,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:38:47,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:38:47,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:38:48,147 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1872 [2023-09-01 07:38:48,169 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 158 transitions, 331 flow. Second operand has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:38:48,169 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:38:48,169 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1872 [2023-09-01 07:38:48,171 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:40:20,312 INFO L130 PetriNetUnfolder]: 116767/157557 cut-off events. [2023-09-01 07:40:20,313 INFO L131 PetriNetUnfolder]: For 3022/3022 co-relation queries the response was YES. [2023-09-01 07:40:20,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 317895 conditions, 157557 events. 116767/157557 cut-off events. For 3022/3022 co-relation queries the response was YES. Maximal size of possible extension queue 13132. Compared 1109359 event pairs, 94200 based on Foata normal form. 0/39153 useless extension candidates. Maximal degree in co-relation 152430. Up to 78792 conditions per place. [2023-09-01 07:40:21,175 INFO L137 encePairwiseOnDemand]: 1797/1872 looper letters, 213 selfloop transitions, 24 changer transitions 0/237 dead transitions. [2023-09-01 07:40:21,176 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 237 transitions, 978 flow [2023-09-01 07:40:21,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-09-01 07:40:21,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-09-01 07:40:21,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2274 transitions. [2023-09-01 07:40:21,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4049145299145299 [2023-09-01 07:40:21,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2274 transitions. [2023-09-01 07:40:21,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2274 transitions. [2023-09-01 07:40:21,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:40:21,209 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2274 transitions. [2023-09-01 07:40:21,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 758.0) internal successors, (2274), 3 states have internal predecessors, (2274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:40:21,232 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1872.0) internal successors, (7488), 4 states have internal predecessors, (7488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:40:21,236 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1872.0) internal successors, (7488), 4 states have internal predecessors, (7488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:40:21,237 INFO L175 Difference]: Start difference. First operand has 144 places, 158 transitions, 331 flow. Second operand 3 states and 2274 transitions. [2023-09-01 07:40:21,238 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 237 transitions, 978 flow [2023-09-01 07:40:21,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 114 places, 237 transitions, 960 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-09-01 07:40:21,379 INFO L231 Difference]: Finished difference. Result has 116 places, 154 transitions, 504 flow [2023-09-01 07:40:21,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1872, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=504, PETRI_PLACES=116, PETRI_TRANSITIONS=154} [2023-09-01 07:40:21,388 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -28 predicate places. [2023-09-01 07:40:21,391 INFO L495 AbstractCegarLoop]: Abstraction has has 116 places, 154 transitions, 504 flow [2023-09-01 07:40:21,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 653.6666666666666) internal successors, (1961), 3 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:40:21,393 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:40:21,393 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-09-01 07:40:21,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-01 07:40:21,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-09-01 07:40:21,403 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:40:21,404 INFO L85 PathProgramCache]: Analyzing trace with hash 9225787, now seen corresponding path program 1 times [2023-09-01 07:40:21,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:40:21,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461900177] [2023-09-01 07:40:21,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:40:21,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:40:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:40:21,579 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:40:21,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:40:21,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461900177] [2023-09-01 07:40:21,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461900177] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-01 07:40:21,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313921806] [2023-09-01 07:40:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:40:21,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:40:21,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-01 07:40:21,584 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-01 07:40:21,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-09-01 07:40:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:40:22,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 4 conjunts are in the unsatisfiable core [2023-09-01 07:40:22,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-09-01 07:40:22,761 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:40:22,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-09-01 07:40:22,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-01 07:40:22,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313921806] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-01 07:40:22,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-01 07:40:22,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 5 [2023-09-01 07:40:22,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560956108] [2023-09-01 07:40:22,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-01 07:40:22,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-01 07:40:22,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:40:22,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-01 07:40:22,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-09-01 07:40:23,076 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1872 [2023-09-01 07:40:23,081 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 154 transitions, 504 flow. Second operand has 7 states, 7 states have (on average 654.1428571428571) internal successors, (4579), 7 states have internal predecessors, (4579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:40:23,082 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:40:23,082 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1872 [2023-09-01 07:40:23,082 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-09-01 07:44:10,859 INFO L130 PetriNetUnfolder]: 291952/393891 cut-off events. [2023-09-01 07:44:10,859 INFO L131 PetriNetUnfolder]: For 2100/2100 co-relation queries the response was YES. [2023-09-01 07:44:11,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 792539 conditions, 393891 events. 291952/393891 cut-off events. For 2100/2100 co-relation queries the response was YES. Maximal size of possible extension queue 18976. Compared 2901591 event pairs, 235500 based on Foata normal form. 0/97941 useless extension candidates. Maximal degree in co-relation 633587. Up to 78799 conditions per place. [2023-09-01 07:44:12,821 INFO L137 encePairwiseOnDemand]: 1824/1872 looper letters, 450 selfloop transitions, 141 changer transitions 0/591 dead transitions. [2023-09-01 07:44:12,822 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 591 transitions, 2860 flow [2023-09-01 07:44:12,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-01 07:44:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-09-01 07:44:12,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 5198 transitions. [2023-09-01 07:44:12,835 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.39667277167277165 [2023-09-01 07:44:12,835 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 5198 transitions. [2023-09-01 07:44:12,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 5198 transitions. [2023-09-01 07:44:12,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-09-01 07:44:12,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 5198 transitions. [2023-09-01 07:44:12,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 742.5714285714286) internal successors, (5198), 7 states have internal predecessors, (5198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:44:12,870 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1872.0) internal successors, (14976), 8 states have internal predecessors, (14976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:44:12,878 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1872.0) internal successors, (14976), 8 states have internal predecessors, (14976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:44:12,878 INFO L175 Difference]: Start difference. First operand has 116 places, 154 transitions, 504 flow. Second operand 7 states and 5198 transitions. [2023-09-01 07:44:12,878 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 591 transitions, 2860 flow [2023-09-01 07:44:12,883 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 591 transitions, 2746 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-09-01 07:44:12,890 INFO L231 Difference]: Finished difference. Result has 123 places, 259 transitions, 1395 flow [2023-09-01 07:44:12,891 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1872, PETRI_DIFFERENCE_MINUEND_FLOW=456, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1395, PETRI_PLACES=123, PETRI_TRANSITIONS=259} [2023-09-01 07:44:12,892 INFO L281 CegarLoopForPetriNet]: 144 programPoint places, -21 predicate places. [2023-09-01 07:44:12,892 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 259 transitions, 1395 flow [2023-09-01 07:44:12,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 654.1428571428571) internal successors, (4579), 7 states have internal predecessors, (4579), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:44:12,894 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-09-01 07:44:12,895 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 1, 1] [2023-09-01 07:44:12,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-09-01 07:44:13,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-01 07:44:13,106 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW (and 180 more)] === [2023-09-01 07:44:13,106 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-01 07:44:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 286010994, now seen corresponding path program 1 times [2023-09-01 07:44:13,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-01 07:44:13,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245217305] [2023-09-01 07:44:13,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-01 07:44:13,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-01 07:44:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-01 07:44:13,219 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-01 07:44:13,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-01 07:44:13,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245217305] [2023-09-01 07:44:13,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245217305] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-01 07:44:13,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-01 07:44:13,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-01 07:44:13,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585199360] [2023-09-01 07:44:13,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-01 07:44:13,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-09-01 07:44:13,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-01 07:44:13,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-09-01 07:44:13,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-09-01 07:44:13,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 653 out of 1872 [2023-09-01 07:44:13,343 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 259 transitions, 1395 flow. Second operand has 3 states, 3 states have (on average 654.3333333333334) internal successors, (1963), 3 states have internal predecessors, (1963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-01 07:44:13,343 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-09-01 07:44:13,343 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 653 of 1872 [2023-09-01 07:44:13,343 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand